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<loc>https://viktooor.com/bfd-bidirectional-forwarding-detection/</loc>
<lastmod>2025-08-24T16:51:31+02:00</lastmod>
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<image:loc>https://viktooor.com/media/posts/41/topology.png</image:loc>
<image:title><![CDATA[BFD Topology]]></image:title>
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<image:loc>https://viktooor.com/media/posts/41/1-BGP_OPEN_KEEPALIVES-2.png</image:loc>
<image:title><![CDATA[BGP Keepalives]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/41/2-Start_sending_BFD_ctrl.png</image:loc>
<image:title><![CDATA[CSR1 starts sending BFD Control packets]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/41/3-BFD_pkts_between_CSR1_CSR2-2.png</image:loc>
<image:title><![CDATA[BFD session between CSR1 and CSR2]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/41/5-BFD_timers_changed_1000_on_CSR1.png</image:loc>
<image:title><![CDATA[BFD Echo timers changed]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/41/6-Turning_off_bfd_echoes.png</image:loc>
<image:title><![CDATA[Turning off BFD Echoes]]></image:title>
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<url>
<loc>https://viktooor.com/bgp-additional-paths-vs-multipath/</loc>
<lastmod>2025-10-24T17:08:05+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/54/topology_add-path2.png</image:loc>
<image:title><![CDATA[BGP Add-path topology]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/54/1-BGP_OPEN_add-path_capability.png</image:loc>
<image:title><![CDATA[BGP OPEN additional-paths]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/54/2-BGP_UPDATE_path_id.png</image:loc>
<image:title><![CDATA[BGP Update with path-ID]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/54/topology_multipath.png</image:loc>
<image:title><![CDATA[BGP Multipath topology]]></image:title>
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<url>
<loc>https://viktooor.com/bgp-as-path-manipulation-techniques-local-as-prepending-allowas-in-as-override/</loc>
<lastmod>2025-09-22T17:12:40+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/53/topology.png</image:loc>
<image:title><![CDATA[BGP AS-PATH manipulation topolgy]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/53/1-BGP_OPEN-ASN.png</image:loc>
<image:title><![CDATA[BGP OPEN R3 sends to R4]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/53/2-BGP_Update_R3R4.png</image:loc>
<image:title><![CDATA[BGP Update between R3 and R4]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/53/3-AS_override_R2R3.png</image:loc>
<image:title><![CDATA[BGP Update sent by R2 after as-override]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/53/4-AS_override2_R2R3.png</image:loc>
<image:title><![CDATA[BGP Update sent by R2 after as-override 2]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/bgp-on-ios-xr-route-policy-language-rpl/</loc>
<lastmod>2025-08-31T11:51:18+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/36/topology_BGP_RPL.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/bgp-route-reflector-design-options-part-1-inter-cluster-peerings/</loc>
<lastmod>2025-08-10T17:24:43+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/34/Topology_base.png</image:loc>
<image:title><![CDATA[BGP Route Reflectors Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/34/Topology_2.png</image:loc>
<image:title><![CDATA[BGP Route Reflectors Inter-Cluster peering options]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/34/RR_PAs.png</image:loc>
<image:title><![CDATA[NLRI from REFL_1 to R4]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/34/2-BGP_UPDATE_to_eBGP.png</image:loc>
<image:title><![CDATA[BGP UPDATE to eBGP peer]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/bgp-route-reflector-design-options-part-2-hierarchical-2-tier-route-reflectors/</loc>
<lastmod>2025-08-17T14:20:41+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/35/topology.png</image:loc>
<image:title><![CDATA[Hierarchical 2-tier BGP Route Reflector Design]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/35/topology_2.png</image:loc>
<image:title><![CDATA[RR Reflections]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/35/1-BGP_UPDATE_to_R7.png</image:loc>
<image:title><![CDATA[BGP UPDATE from RR3 to R7]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/carrier-supporting-carrier-csc-mpls-l3vpn/</loc>
<lastmod>2025-08-22T21:23:52+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/42/topology.png</image:loc>
<image:title><![CDATA[CSC Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/42/1-BGP_Update_Ipv4LU.png</image:loc>
<image:title><![CDATA[IPv4 LU NLRI]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/42/topology_mod.png</image:loc>
<image:title><![CDATA[CSC Topology with BGP neighborships]]></image:title>
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<image:image>
<image:loc>https://viktooor.com/media/posts/42/2-MPLS_label_stack.png</image:loc>
<image:title><![CDATA[CSC MPLS label stack within the infrastructure of the core carrier]]></image:title>
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</url>
<url>
<loc>https://viktooor.com/configuring-e-lan-vpls-service-over-the-mpls-cloud-using-csr1000v-routers/</loc>
<lastmod>2025-08-10T17:26:26+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/20/VPLS_topology.png</image:loc>
<image:title><![CDATA[Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/20/VPLS_targeted_LDP.png</image:loc>
<image:title><![CDATA[Targeted LDP session Label Mapping message]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/20/VPLS_data_plane_OSPF.png</image:loc>
<image:title><![CDATA[VPLS data plane: VPN + Transport MPLS labels]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-ipv6-first-hop-security-ra-guard-ipv6-snooping/</loc>
<lastmod>2025-08-10T17:26:10+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/23/IPv6_raguard_topology-2.png</image:loc>
<image:title><![CDATA[IPv6 FHS topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/23/RA_pcap.png</image:loc>
<image:title><![CDATA[RA sent by the legitimate router with 'high' preference, the switch will drop these RA messages]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-mpls-and-vrfs-in-gns3/</loc>
<lastmod>2025-08-31T11:52:38+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/13/MPLS_topology.png</image:loc>
<image:title><![CDATA[Topology of the MPLS network]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-mpls-part-2/</loc>
<lastmod>2025-08-31T11:52:24+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_Topology.png</image:loc>
<image:title><![CDATA[MPLS topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_MPLS_EtherType.png</image:loc>
<image:title><![CDATA[Data Link Layer EtherType field]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_PE2-P3-MPLS_Lables.png</image:loc>
<image:title><![CDATA[Wireshark packet capture between PE2 and P3]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_P1-P3-MPLS_Labels.png</image:loc>
<image:title><![CDATA[Wireshark packet capture between P3 and P1]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_P1-P2-MPLS_Labels.png</image:loc>
<image:title><![CDATA[Wireshark packet capture between P1 and P2]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_PE1-P2-MPLS_Labels.png</image:loc>
<image:title><![CDATA[Wireshark packet capture between PE1 and P2]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_VRF_Blue_Labels.png</image:loc>
<image:title><![CDATA[Wireshark packet capture – ping from the blue VRF]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/15/MPLS_pt2_MSS_reduction.png</image:loc>
<image:title><![CDATA[TCP transfers with different size of payloads]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multi-area-ospf-with-ansible/</loc>
<lastmod>2025-08-31T11:50:56+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/43/ansible_logo-2.jpg</image:loc>
<image:title><![CDATA[ansible_logo]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/43/topology_ansible-2.png</image:loc>
<image:title><![CDATA[ansible_topology]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multi-area-ospf-with-eigrp/</loc>
<lastmod>2025-08-10T17:28:52+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/12/Multi-area_OSPF_EIGRP.png</image:loc>
<image:title><![CDATA[Extended network: multi area OSPF + EIGRP]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multicast-routing-part-4-pim-assert-designated-router-null-register/</loc>
<lastmod>2025-08-10T17:24:53+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/topology.png</image:loc>
<image:title><![CDATA[Multicast Topology part 4]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/PIM_Assert.png</image:loc>
<image:title><![CDATA[PIM Assert message sent by CSR8]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/PIM_Assert_with-_mroute.png</image:loc>
<image:title><![CDATA[PIM Assert from CSR5]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/PIM_Hello_DR_prio.png</image:loc>
<image:title><![CDATA[PIM Hello]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/PIM_Join_sent_by_the_DR.png</image:loc>
<image:title><![CDATA[PIM Join sent by the DR]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/33/PIM_null_reg.png</image:loc>
<image:title><![CDATA[PIM Register Null packets]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multicast-routing-with-pim-sparse-mode/</loc>
<lastmod>2025-08-10T17:25:47+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/topology.png</image:loc>
<image:title><![CDATA[Multicast Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/1-IGMP.png</image:loc>
<image:title><![CDATA[IGMP Membership Report]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/2-PIM_RP_Join.png</image:loc>
<image:title><![CDATA[PIM (*,G) Join]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/topology_shared_tree.png</image:loc>
<image:title><![CDATA[PIM shared tree]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/3-PIM_Register.png</image:loc>
<image:title><![CDATA[PIM Registration]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/4-PIM_Register_Stop.png</image:loc>
<image:title><![CDATA[PIM Register Stop]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/5-PIM_SPT_Join.png</image:loc>
<image:title><![CDATA[PIM (S,G) Join]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/26/topology_source_tree.png</image:loc>
<image:title><![CDATA[Source tree ]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multicast-routing-with-pim-sparse-mode-part-2-rpf-checks-static-mroute/</loc>
<lastmod>2025-08-10T17:25:08+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/31/topology.png</image:loc>
<image:title><![CDATA[Multicast Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/31/topology_PIM_disabled_on_CSR3.png</image:loc>
<image:title><![CDATA[PIM SM RPF failure]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-multicast-routing-with-pim-sparse-mode-part-3-bootstrap-router-bsr/</loc>
<lastmod>2025-08-10T17:25:01+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/topology_bsr_1.png</image:loc>
<image:title><![CDATA[BSR Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/BSR_candidate_RP_announcement.png</image:loc>
<image:title><![CDATA[BSR Candidate RP]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/BSR_Bootstrap.png</image:loc>
<image:title><![CDATA[PIM Bootstrap]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/topology_bsr_2.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/BSR_Join_to_CSR2.png</image:loc>
<image:title><![CDATA[CSR5 sends PIM Join to CSR2]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/32/topology_bsr_3.png</image:loc>
<image:title><![CDATA[Multicast topology with two BSRs]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-qos-policer-at-the-provider-edge-router/</loc>
<lastmod>2025-08-10T17:26:03+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/24/Policing_Topology.png</image:loc>
<image:title><![CDATA[Policing topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/24/ToS_byte.png</image:loc>
<image:title><![CDATA[Setting CS5 in the ToS byte]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/24/Ping_remarked_to_cs1.png</image:loc>
<image:title><![CDATA[Packets marked down to CS1 (exceed-action)]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/24/MPLS_EXP_field.png</image:loc>
<image:title><![CDATA[IPP field of the ToS byte are copied ti the EXP field of the MPLS header]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/24/MPLS_EXP_remarked.png</image:loc>
<image:title><![CDATA[MPLS EXP field remarked]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-single-area-ospf/</loc>
<lastmod>2025-08-10T17:30:01+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/7/ccna_ospf1.png</image:loc>
<image:title><![CDATA[Single-area OSPF network in Cisco’s Packet Tracer]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/configuring-vlans-in-ciscos-ios/</loc>
<lastmod>2025-08-10T17:30:13+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/6/ccna_vlan.png</image:loc>
<image:title><![CDATA[Packet Tracer network]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/crating-a-python-script-to-control-the-gpio-of-the-raspberry-pi/</loc>
<lastmod>2025-09-21T18:41:33+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/Rpi_logo.png</image:loc>
<image:title><![CDATA[Rpi logo]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/GPIO-Pinout3.png</image:loc>
<image:title><![CDATA[RPi GPIO pinout]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/picture2.png</image:loc>
<image:title><![CDATA[Raspberry with the temp sensor and relay module]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/1-1-Wire_interface.png</image:loc>
<image:title><![CDATA[Rpi - enabling the 1-Wire interface]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/2-Script_output.png</image:loc>
<image:title><![CDATA[Python script output]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/3-Grafana_new_db.png</image:loc>
<image:title><![CDATA[Grafana new data source]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/4-Grafana_new_db.png</image:loc>
<image:title><![CDATA[Creating a new Data Source for Grafana]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/51/5-Grafana_graph.png</image:loc>
<image:title><![CDATA[Grafana Temp Sesnor Graph]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/create-your-own-vpn-with-wireguard-2/</loc>
<lastmod>2025-08-10T17:28:07+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/14/Wireguard_logo.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/hacking-networks-with-scapy-part-1-attacking-dtpspanning-tree/</loc>
<lastmod>2025-10-12T10:10:55+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/scapy_logo.png</image:loc>
<image:title><![CDATA[Scapy logo]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/topology.png</image:loc>
<image:title><![CDATA[Scapy topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/1-receive_dtp_packets.png</image:loc>
<image:title><![CDATA[Capturing DTP packets from SW2]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/2-capture_dtp_pkt.png</image:loc>
<image:title><![CDATA[Sniffing DTP packet with Scapy]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/3-establish_trunk_with_scapy.png</image:loc>
<image:title><![CDATA[Establish trunk link with Scapy]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/4-kali_sends_this_dtp_pkt.png</image:loc>
<image:title><![CDATA[Kali sends this DTP packet]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/5-maintaining_the_trunk.png</image:loc>
<image:title><![CDATA[Maintaining the trunk]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/6-receving_broadcast_tagged_frames.png</image:loc>
<image:title><![CDATA[Receiving tagged broadcast frames]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/7-creating_the_subinterface.png</image:loc>
<image:title><![CDATA[Creating subinterface]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/12-discover_host_on_the_lan.png</image:loc>
<image:title><![CDATA[nmap ARP scan]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/8-receiving_bpdu_for_vlan10.png</image:loc>
<image:title><![CDATA[Receiving BPDUs in VLAN 10]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/9-capture_bpdu_from_vlan10.png</image:loc>
<image:title><![CDATA[Sniff BPDU in VLAN 10 with Scapy]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/10-create_superior_bpdu_for_vlan10.png</image:loc>
<image:title><![CDATA[Creating superior BPDU for VLAN 10]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/55/11-bpdu_sent_by_kali.png</image:loc>
<image:title><![CDATA[BPDU sent out by the Kali host]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/how-not-to-install-fiber-optic/</loc>
<lastmod>2025-08-10T17:29:39+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/9/fiber_optic.png</image:loc>
<image:title><![CDATA[Fiber optic splice enclosure]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/how-to-secure-apache2-webserver-with-ssl/</loc>
<lastmod>2025-08-10T17:26:40+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/19/SSL_warning.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/how-to-set-up-an-nfs-server-and-share-files-on-linux/</loc>
<lastmod>2025-08-10T17:26:53+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/18/NFS_RPC_portmapper.png</image:loc>
<image:title><![CDATA[NFS uses RPC and Portmap]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/how-to-set-up-the-firewall-of-your-server-with-iptables-and-configure-your-ssh-access-to-make-more-secure/</loc>
<lastmod>2025-08-10T17:30:25+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/5/iptables-persistent.png</image:loc>
<image:title><![CDATA[iptables-persistent]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/5/ss.png</image:loc>
<image:title><![CDATA[ss command output]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/5/iptables-L.png</image:loc>
<image:title><![CDATA[iptables -L command output]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/5/insert_rule.png</image:loc>
<image:title><![CDATA[Iptables insert rule]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-gre-over-ipsec-vpn/</loc>
<lastmod>2025-09-16T19:03:06+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/48/topology_gre-2.png</image:loc>
<image:title><![CDATA[GRE over IPsec topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/48/1-OSPF_GRE_encap.png</image:loc>
<image:title><![CDATA[OSPF GRE encapsulation]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/48/2-GRE_over_IPsec.png</image:loc>
<image:title><![CDATA[Encrypted traffic through the GRE tunnel]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/48/3-ICMP_frag_needed.png</image:loc>
<image:title><![CDATA[ICMP Fragmentation needed]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/48/3-TCP_adjust_mss_1360.png</image:loc>
<image:title><![CDATA[TCP adjust-mss]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-inter-as-mpls-l3vpn-services-with-option-a/</loc>
<lastmod>2025-08-16T17:50:16+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/37/topology_inter-AS_optionA.png</image:loc>
<image:title><![CDATA[Inter-AS L3VPN topology (Option A)]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/37/1-OptionA_BGP_UPDATE.png</image:loc>
<image:title><![CDATA[IPv4 unicast BGP Update Option A]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/37/2-OptionA_Regualar_IP_pkts.png</image:loc>
<image:title><![CDATA[Regular unlabeled IP packet between R1 and R7]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-inter-as-mpls-l3vpn-services-with-option-b/</loc>
<lastmod>2025-08-16T22:22:48+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/38/topology_inter-AS_optionB.png</image:loc>
<image:title><![CDATA[Inter-AS L3VPN Option B topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/38/3-OptionB_VPNv4_BGP_Update.png</image:loc>
<image:title><![CDATA[Option B VPNv4 BGP Update between R1 and R7]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/38/4-OptionB_labeled_pkt_R1R7.png</image:loc>
<image:title><![CDATA[MPLS labeled packet between R1 and R7 (Option B)]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/38/5-OptionB_labeled_pkt_R7R1.png</image:loc>
<image:title><![CDATA[MPLS labeled packet between R7 and R1 (Option B)]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-inter-as-mpls-l3vpn-services-with-option-c/</loc>
<lastmod>2025-08-16T21:55:38+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/39/topology_inter-AS_optionC_mod.png</image:loc>
<image:title><![CDATA[Inter-AS MPLS L3VPN topology Option C]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/39/1-Labeled_Uicast_SAFI_between_R1R7.png</image:loc>
<image:title><![CDATA[BGP OPEN message between R1 and R7 with AFI/SAFI capabilities]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/39/2-BGP_LU_Update_R1R7.png</image:loc>
<image:title><![CDATA[BGP IPv4 LU NLRI: the prefix is advertised with an MPLS label]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/39/3-MPLS_label_stack_R1R7.png</image:loc>
<image:title><![CDATA[MPLS label stack between R1 and R7]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-mpls-l2vpn-services-on-sros-e-pipevpls/</loc>
<lastmod>2025-08-31T11:51:35+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/28/topology_epipe.png</image:loc>
<image:title><![CDATA[E-Pipe Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/28/ldp_session.png</image:loc>
<image:title><![CDATA[LDP Hello Transport address]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/28/epipe_TLDP_mapping.png</image:loc>
<image:title><![CDATA[E-Pipe TLDP Label Mapping]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/28/epipe_data_plane-2.png</image:loc>
<image:title><![CDATA[E-Pipe MPLS Label Stack in the core]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-mpls-te-vpn-over-the-te-tunnel-from-pe-to-pe/</loc>
<lastmod>2025-09-17T12:50:32+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/topology.png</image:loc>
<image:title><![CDATA[MPLS TE topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/1-OSPF_Opaque_LSA.png</image:loc>
<image:title><![CDATA[OSPF Type 10 Opaque LSA]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/2-RSVP_PATH_msg.png</image:loc>
<image:title><![CDATA[RSVP PATH message from R1 to R5]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/2_1-RSVP_RESV_msg.png</image:loc>
<image:title><![CDATA[RSVP RESV message]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/topology_explicit_path.png</image:loc>
<image:title><![CDATA[MPLS-TE topology explicit path]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/topology_explicit_path_exclude.png</image:loc>
<image:title><![CDATA[MPLS-TE topology with the exclude option]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/3-Exclude_task_RSVP_PATH.png</image:loc>
<image:title><![CDATA[RSCP PATH exclude address]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/50/3_1-Exclude_task_RSVP_RESV.png</image:loc>
<image:title><![CDATA[RSVP RESV message between R9 and R2]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-ospf-sham-link/</loc>
<lastmod>2025-08-22T21:26:28+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/40/topology_sham_link_start.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/40/1-BGP_Update.png</image:loc>
<image:title><![CDATA[BGP Update with extended communities: OSPF Domain-ID]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/40/topology_sham_link.png</image:loc>
<image:title><![CDATA[OSPF Sham-link topology]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-site-to-site-ipsec-vpn-with-crypto-map/</loc>
<lastmod>2025-09-16T19:03:27+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/topology_ipsec.png</image:loc>
<image:title><![CDATA[IPsec lab topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/1-Ph1_Ph2_message_exchange.png</image:loc>
<image:title><![CDATA[IPsec Ph1-Ph2 message exchange]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/2-Phase1_msg1.png</image:loc>
<image:title><![CDATA[Phase 1 1st message]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/3-Phase1_msg3.png</image:loc>
<image:title><![CDATA[Phase 1 message three]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/4-ESP_SPI.png</image:loc>
<image:title><![CDATA[ESP packet]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/46/5-AH_SPI.png</image:loc>
<image:title><![CDATA[AH transform-set]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-site-to-site-ipsec-vpn-with-crypto-map-part-2-troubleshooting/</loc>
<lastmod>2025-09-16T19:03:17+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/47/topology_ipsec.png</image:loc>
<image:title><![CDATA[IPsec topology]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-stp-root-guard-and-loop-guard/</loc>
<lastmod>2025-08-10T17:26:17+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/22/STP_Root_Guard_topology.png</image:loc>
<image:title><![CDATA[STP Root Guard Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/22/SW4_superior_BPDU.png</image:loc>
<image:title><![CDATA[Superior BPDU from SW4 with a priority of 0]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/22/STP_Loop_Guard_topology-2.png</image:loc>
<image:title><![CDATA[STP Loop Guard Topology]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-unified-mpls/</loc>
<lastmod>2025-09-22T19:12:52+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/52/unified_mpls_topology.png</image:loc>
<image:title><![CDATA[Unified MPLS topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/52/unified_mpls_topology_mod.png</image:loc>
<image:title><![CDATA[Unified MPLS topology 2]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/52/1-BGP_LU_Update_to_R7_label5011.png</image:loc>
<image:title><![CDATA[BGP LU Update label 5011]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/52/2-BGP_LU_Update_R6_to_R5_label6008.png</image:loc>
<image:title><![CDATA[BGP LU Update label 6008]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/52/3-Ping_between_R3R4_3labels.png</image:loc>
<image:title><![CDATA[ICMP Echo between R3 and R4]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/implementing-vpls-part-2-bgp-autodiscovery/</loc>
<lastmod>2025-08-10T17:25:24+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/29/topology_vpls.png</image:loc>
<image:title><![CDATA[VPLS Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/29/BGP_OPEN_addr_family.png</image:loc>
<image:title><![CDATA[BGP OPEN l2vpn vpls AF]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/29/LDP_label_mapping.png</image:loc>
<image:title><![CDATA[LDP Label Mapping Message]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/29/BGP_UPDATE_BGP_signaling.png</image:loc>
<image:title><![CDATA[BGP UPDATE message using BGP singaling]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/iptables-nat-masquerading-in-linux/</loc>
<lastmod>2025-08-10T17:27:28+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/16/NAT_MASQ_topology.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/16/NAT_MASQ1.png</image:loc>
<image:title><![CDATA[Packet capture between Kali1 and the IOSvL2 switch]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/16/NAT_MASQ2.png</image:loc>
<image:title><![CDATA[Packet capture between Kali1 and the NAT Cloud]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/lvm-logical-volume-management-in-linux/</loc>
<lastmod>2025-08-10T17:27:05+02:00</lastmod>
</url>
<url>
<loc>https://viktooor.com/measuring-the-power-draw-of-my-pc-and-ps5posted/</loc>
<lastmod>2025-08-10T17:29:17+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/10/PlugS-PC-power-measurement.jpg</image:loc>
<image:title><![CDATA[PC’s total power draw running different applications]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/10/PlugS-PC-power-measurement-2.jpg</image:loc>
<image:title><![CDATA[PC’s power draw running benchmark]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/10/ps5_power2.png</image:loc>
<image:title><![CDATA[Playstation 5’s power draw]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/mirroring-traffic-with-span-rspan-and-erspan/</loc>
<lastmod>2025-08-10T17:25:16+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/30/SPAN_topology_with_STP.png</image:loc>
<image:title><![CDATA[Topology, yellow links are in the forwarding state for each STP instance]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/30/SPAN_no_vlan_tag.png</image:loc>
<image:title><![CDATA[No dot1q by default]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/30/encap_replicate.png</image:loc>
<image:title><![CDATA[encapsulation replicate]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/30/ERSPAN_GRE_encap.png</image:loc>
<image:title><![CDATA[ERSPAN with GRE encapsulation]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/monitor-your-systems-power-consumption-using-node-red-and-grafana/</loc>
<lastmod>2025-08-10T17:30:36+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/shelly_web1.png</image:loc>
<image:title><![CDATA[Shelly PlugS web interface]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/shelly_web2.png</image:loc>
<image:title><![CDATA[Enabling MQTT protocol on the Shelly]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/mosquitto_status.png</image:loc>
<image:title><![CDATA[moquitto service enabled and running]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/influxdb_icon.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/influx_commands.png</image:loc>
<image:title><![CDATA[InfluxDB database creation]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/node-red_icon.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/node-red_pallette.png</image:loc>
<image:title><![CDATA[Install node-red-contrib-influxdb for InfluxDB nodes]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/node-red_flow.png</image:loc>
<image:title><![CDATA[Node-RED flow to store MQTT payload with InfluxDB]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/shelly_mqtt_topic.png</image:loc>
<image:title><![CDATA[Check your Shelly’s ID under the Will Topic, I’ve covered mine, yours will be different]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/node-red_convert-2.png</image:loc>
<image:title><![CDATA[Editing the change function]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/influx_measurements.png</image:loc>
<image:title><![CDATA[InfluxDB measurements]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/grafana_icon.png</image:loc>
<image:title><![CDATA[]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/grafana_create.png</image:loc>
<image:title><![CDATA[Select Data source and measurement]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/4/grafana_graph.png</image:loc>
<image:title><![CDATA[Visualizing InfluxDB data with Grafana]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/multicast-over-mpls-mvpn-profile-0-draft-rosen/</loc>
<lastmod>2025-08-31T11:50:35+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/topology.png</image:loc>
<image:title><![CDATA[MVPN_Prof0_topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/profile0.png</image:loc>
<image:title><![CDATA[mVPN Profile 0]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/1-BGP_Update_mdt_default.png</image:loc>
<image:title><![CDATA[BGP MDT Update]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/2-R11_PIM_Join.png</image:loc>
<image:title><![CDATA[PIM Join GRE encapsulted]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/3-R8_sends_multicast.png</image:loc>
<image:title><![CDATA[Multicast data plane in the MPLS core]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/5-PIM_Join_uses_MDT_default.png</image:loc>
<image:title><![CDATA[PIM Join in the MPLS core uses the mdt default group]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/44/4-MDT_data_group_ping.png</image:loc>
<image:title><![CDATA[MDT data group is used for the data packets]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/multicast-over-mpls-mvpn-profile-1-and-profile-13/</loc>
<lastmod>2025-09-10T09:48:26+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/topology_multicast_mpls_profile13.png</image:loc>
<image:title><![CDATA[Topology Profile 1 and Profile 13]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/profile1.png</image:loc>
<image:title><![CDATA[mVPN Profile 0 decision tree]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/1-Profile_1_MLDP_Label_Mapping.png</image:loc>
<image:title><![CDATA[mLDP Label Mapping message]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/2-Profile_1_PIM_Join_labeled-2.png</image:loc>
<image:title><![CDATA[PIM Join within the core]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/profile13.png</image:loc>
<image:title><![CDATA[mVPN Profile 13 decision tree]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/3-Profile_13_PIM_Join.png</image:loc>
<image:title><![CDATA[mVPN Profile 13 BGP signaling]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/45/4-PIM_Bootstrap_MPLS_encap.png</image:loc>
<image:title><![CDATA[PIM Bootstrap in the MPLS core]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/page/2/</loc>
</url>
<url>
<loc>https://viktooor.com/page/3/</loc>
</url>
<url>
<loc>https://viktooor.com/practicing-nat-configurations-in-ciscos-ios/</loc>
<lastmod>2025-08-10T17:29:04+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/11/Static_NAT.png</image:loc>
<image:title><![CDATA[Static NAT]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/11/dynamic_nat.png</image:loc>
<image:title><![CDATA[Dynamic NAT]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/11/PAT.png</image:loc>
<image:title><![CDATA[NAT Overloading – PAT]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/protecting-statelessstateful-dhcpv6-server-with-dhcpv6-guard/</loc>
<lastmod>2025-08-10T17:25:55+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/25/DHCPv6_guard_topology.png</image:loc>
<image:title><![CDATA[DHCPv6 Guard Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/25/DHCPv6_stateless_RA.png</image:loc>
<image:title><![CDATA[Stateless DHCPv6 packet capture]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/25/DHCPv6_stateless_Reply.png</image:loc>
<image:title><![CDATA[Stateless DHCPv6 Reply message]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/troubleshooting-ospf-adjacencies/</loc>
<lastmod>2025-08-31T11:51:47+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/27/topology.png</image:loc>
<image:title><![CDATA[Topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/27/DBD_Alcatel.png</image:loc>
<image:title><![CDATA[SR-OS MTU]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/27/DBD_Cisco.png</image:loc>
<image:title><![CDATA[CSR1 MTU]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/troubleshooting-transmission-lines-and-passive-rf-parts/</loc>
<lastmod>2025-08-10T17:29:51+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/DTF-RL1.png</image:loc>
<image:title><![CDATA[DTF-Return Loss]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/DTF-VSWR-1.png</image:loc>
<image:title><![CDATA[DTF-VSWR]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/DTF-RL2-2.png</image:loc>
<image:title><![CDATA[DTF-Return Loss bad connector]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/DTF-RL3.png</image:loc>
<image:title><![CDATA[DTF-Return Loss unmatched load]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/1-port_cable_loss.png</image:loc>
<image:title><![CDATA[1-port cable loss as a function of frequency]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/8/1-port_cable_loss2.png</image:loc>
<image:title><![CDATA[1-port cable loss as a function of frequency]]></image:title>
</image:image>
</url>
<url>
<loc>https://viktooor.com/vpls-vlan-tag-manipulation/</loc>
<lastmod>2025-09-13T15:41:05+02:00</lastmod>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/topology.png</image:loc>
<image:title><![CDATA[VPLS VLAN tag manipulation topology]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/1-LDP_label_mapping_label6000.png</image:loc>
<image:title><![CDATA[Targeted LDP Label Mapping]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/topology2.png</image:loc>
<image:title><![CDATA[VPLS Customer tagging the ingress traffic]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/3-VLAN_tagged_with99_no_match.png</image:loc>
<image:title><![CDATA[VLAN tag in the SP core]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/4-CSR7_translates_to_88.png</image:loc>
<image:title><![CDATA[CSR7 translates to VLAN 99]]></image:title>
</image:image>
<image:image>
<image:loc>https://viktooor.com/media/posts/49/5-Double_tagged_frame_with1067.png</image:loc>
<image:title><![CDATA[CSR7 send Q-in-Q traffic to CSR6]]></image:title>
</image:image>
</url>
</urlset>