• Tag : IS-IS


Support “redistribute dhcp” for IS-IS Agent (IPv6)

Description EOS 4.23.0F adds support for redistributing DHCPv6 routes in IS-IS when using the multi-agent routing protocol mode. Support for this feature in single agent mode has existed since EOS 4.21.0 Configuration DHCPv6 routes can be redistributed into IS-IS via following CLI in only IPv6 address-family mode. Arista(config)#router isis A Arista(config-router-isis)#address-family ipv6 Arista(config-router-isis-af)#redistribute dhcp Show Commands DHCPv6 routes redistributed into IS-IS can be seen in show isis database detail show command # show isis database detail IS-IS Instance: inst1 VRF: default IS-IS Level 1 Link State Database LSPID Seq Num Cksum Life IS Flags 1111.1111.1001.00-00 10 19778 1101 L1 <>...
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ISIS-SR Multiple Adj-SIDs

Description This feature allows a user to configure multiple static adjacency SIDs for an IS-IS adjacency. This feature is an extension to ISIS-SR Global Adj-SIDs and ISIS-SR Static Adj-SIDs. Multiple Adjacency SIDs is supported for both global as well as local adjacency segments. This feature is currently supported for P2P interfaces. Platform compatibility Supported on all platforms where IS-IS and MPLS are supported. This feature is available in both the ribd and the multi-agent routing models. Configuration Multiple static adjacency SIDs can be configured at the interface configuration level with the command: [no|default] adjacency-segment <ipv4/ipv6> p2p multiple index global Arista(config-if-Et1)#adjacency-segment...
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Disabling the IS-IS authentication check on the receive side

Description EOS 4.22.1F adds support for disabling the IS-IS authentication check for received IS-IS PDUs. By enabling this feature on a node, the IS-IS authentication check for all of the received IS-IS PDUs on that node will be skipped. Configuration We have added an optional ‘rx-disabled’ token to our existing configuration for IS-IS authentication. Configuring ‘rx-disabled’ for an IS-IS instance causes LSPs, PSNPs and CSNPs to skip the IS-IS authentication check.  The updated syntax for configuring authentication for an IS-IS instance is now: [no] authentication mode <text|md5|(sha key-id <id>)> [rx-disabled] [level-1|level-2] An example configuration (config)# router isis 1 (config-router-isis)# authentication...
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IPv6 Traffic Engineering in IS-IS

Description This feature implements RFC6119, which allows the extension of IS-IS protocol to carry IPv6 Traffic Engineering attributes. This information enables routers in an IS-IS network to calculate traffic-engineered routes using IPv6 addresses. Note that IS-IS in EOS only acts as a carrier for TE attributes and it is not used by any processing (e.g. SPF). The support for IPv4 Traffic Engineering for IS-IS was added in EOS-4.20.5F and that TOI  is available here. This feature is available with both the multi-agent routing protocol model and the ribd routing protocol model. Platform compatibility This feature is supported on all platforms. Configuration The...
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Does Arista EOS suppport ISIS BFD? If not, then are there any plans to support it and when? Thanks, Laszlo


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