• Author : Chitra Ramachandran


OSPF conditional default-originate

An OSPF router can attract all traffic towards itself from within the OSPF network, by advertising a default route. Often it is desirable to advertise this default route conditionally, for instance, only when there is a connection to an upstream router or when a default route is learnt through other protocols like BGP. OSPF conditional default-originate provides the above functionality. Configuration The below commands are now supported under “router ospf” mode in multi-agent protocol model: Arista(config-router-ospf)#default-information originate [ metric <metric-value> ] [ metric-type <metric-type-1-or-2> ] Arista(config-router-ospf)#default-information originate route-map <route-map-name> [ metric <metric-value> ] [ metric-type <metric-type-1-or-2> ] Arista(config-router-ospf)#area 0 nssa...
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Redistribution of ISIS Routes into OSPFv3

Description This document describes the feature that allows redistribution of routes from ISIS to OSPFv3 running on a device. This feature is supported for both IPv4 and IPv6 address families. Platform compatibility This feature is supported on all platforms, both in ribd and multi-agent routing modes. Configuration EOS supports 2 configuration styles for OSPFv3. The command to redistribute ISIS into OSPFv3 in both the configuration styles are captured below. ‘router ospfv3’ configuration style The command is available under the ‘address-family [ipv4 | ipv6]’ sub-modes of the ‘router ospfv3’ config mode. (config-router-ospfv3)#address-family ipv4|ipv6 (config-router-ospfv3-af)#redistribute isis ? level-1 Redistribute IS-IS level-1 routes...
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Configurable Admin Distance for OSPFv3 External Routes

Description Add support for configuring admin distance for OSPFv3 external routes, without this OSPFv3 would always install external routes with a preference of 110. This feature is supported for both IPv4 and IPv6 address families. This feature is supported both in ribd and multi-agent routing modes. Platform compatibility Supported on all platforms. Configuration EOS supports 2 configuration styles for OSPFv3, and the command to configure the admin distance for external routes is available in both these configuration styles, as detailed below. (config-router-ospf3-af)#distance ospf external ? <1-255> Distance value Available under ipv4 and ipv6 `address-family` submodes of `router ospfv3` mode Available...
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Multi-Agent: match ip address dynamic prefix-list

Description Add support for dynamic prefix-list based matching in multi-agent model. Please refer the TOI for rib agent model here, the same is applicable to the multi-agent model. Difference between Ribd routing protocol model vs multi-agent routing protocol model In Ribd routing protocol model match-map route-map is applied on all FIB winner routes irrespective of the source protocol, in multi-agent routing protocol model only BGP routes are matched against the match-map route map.


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