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a9ff90c41b
This is a preparatory work for configuring vrf/frr over netns vrf structure is being changed to 32 bit, and the VRF will have the possibility to have a backend made up of NETNS. Let's put some history. Initially the 32 bit was because one wanted to map on vrf_id both the VRFLITE and the NSID. Initially, one would have liked to make zebra configure at the same time both vrf lite and vrf from netns in a flat way. From the show running perspective, one would have had both kind of vrfs, thatone would configure on the same way. however, it leads to inconsistencies in concepts, because it mixes vrf vrf with vrf, and vrf is not always mapped with netns. For instance, logical-router could also be used with netns. In that case, it would not be possible to map vrf with netns. There was an other reason why 32 bit is proposed. this is because some systems handle NSID to 32 bits. As vrf lite exists only on Linux, there are other systems that would like to use an other vrf backend than vrf lite. The netns backend for vrf will be used for that too. for instance, for windows or freebsd, some similar netns concept exists; so it will be easier to reuse netns backend for vrf, than reusing vrflite backend for vrf. This commit is here to extend vrf_id to 32 bits. Following commits in a second step will help in enable a VRF backend. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com> |
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| COMMUNITY.md | ||
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| README.NetBSD | ||
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FRRouting is free software that implements and manages various IPv4 and IPv6 routing protocols. Currently FRRouting supports BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, RIPv2, RIPng, IS-IS, PIM-SM/MSDP, LDP and Babel as well as very early support for EIGRP and NHRP. See the file REPORTING-BUGS to report bugs. See COMMUNITY.md for information on contributing. Free RRRouting is free software. See the file COPYING for copying conditions. Public email discussion can be found at https://lists.frrouting.org/listinfo Our public slack channel is at https://frrouting.slack.com