Questions tagged [is-is]

For questions about the Intermediate System to Intermediate System (IS-IS) routing protocol.

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BGP “protocol next hop” resolves to different next-hop address than the same IP using ISIS

I have a BGP-learned prefix 130.130.0.0/24 with protocol next hop 10.0.2.5: root@r2> show route 130.130.0.0 detail inet.0: 60 destinations, 61 routes (57 active, 0 holddown, 4 hidden) 130.130.0.0/...
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Can BGP-LS provide an ip address as a node attribute when distributing IS-IS

I have an IS-IS network (all cisco) with a BGP router (cisco) that I am using to distribute the network link-state for monitoring / analysis. one thing I would like is to receive an IP address for ...
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361 views

Problem configuring L3VPN with MPLS, RSVP-TE, VLAN

We are having problems to configure a L3VPN in VIRL with an MPLS CORE NETWORK that uses RSVP-TE as label exchange protocol and IS-IS as IGP protocol. The idea is to distinguish different type of ...
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Policy routing with IS-IS

three routers are connected where Router A connected to router B A (gig0/0/0 ip address 10.10.1.1)====> B(gig0/0/0 ip address 10.10.1.2 A(gig0/0/0=> ip address 10.11.1.1===>B(gig0/0/...
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IS-IS Interface Metric/Cost Calculation Issue in Juniper MX

I am facing a very strange issue with regard to IS-IS Interface Metric / Cost calculation in Juniper MX. We have configured a reference bandwidth of 1000G on all routers.This by definition means an ae ...