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Tag: IS-IS

Anycast in Segment Routing

November 9, 2021 routingcraft 6 Comments

MPLS or Anycast Routing – for a long time, you had to choose one. Segment Routing allows you to have both.…

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Filed under: anycast routing, ECMP, fast convergence, IS-IS, MPLS, Segment Routing, SR-TE, TI-LFA

Close to the Edge

May 6, 2020 routingcraft 6 Comments

PE-CE routing in MPLS L3VPN is an important topic which confuses a lot of people. Thanks to EVPN, it is now used not only in ISP but also DC networks.

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Filed under: BGP, EIGRP, fast convergence, IS-IS, L3VPN, MPLS, OSPF, PIC, RIP, VRF

Topology Dependent LFA

April 10, 2020 routingcraft 7 Comments

Fast convergence after failures has always been an important part of ISP network design.

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Filed under: fast convergence, IS-IS, MPLS, Segment Routing, SR-TE, TI-LFA

Seamless Suffering

March 13, 2020 routingcraft 3 Comments

This story is about the importance of remembering networking fundamentals when dealing with advanced routing topics.

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Filed under: BGP, IS-IS, LDP, MPLS, OSPF, redistribution

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tags

anycast routing (3) ARP (1) BGP (8) ECMP (3) EIGRP (1) EPE (3) EVPN (4) fast convergence (4) IGMP (1) IS-IS (4) L3VPN (2) LDP (2) load balancing (1) MLAG (1) MPLS (14) multicast (2) MVPN (2) network design (4) OSPF (3) PIC (1) PIM (2) redistribution (2) RIP (1) RSVP-TE (2) Segment Routing (10) SR-TE (10) TI-LFA (2) traffic engineering (3) troubleshooting (1) VRF (2)