[Xorp-users] IPv6 & BGP

[Atanu Ghosh]

>>>>> "Hasso" == Hasso Tepper <hasso@linux.ee> writes:

    Hasso> Atanu Ghosh wrote:
    >> >>>>> "Hasso" == Hasso Tepper <hasso@linux.ee> writes: Actually
    >> this is not a protocol issue but a configuration issue. In the
    >> configuration we have an IPv4 nexthop marked as a mandatory
    >> item. In the case where you want to use BGP for IPv6 only we have
    >> no way of disabling the check (yet).

    Hasso> The need to specify next-hop explicitly in the configuration
    Hasso> even in the IPv4 case is very strange requirement IMHO. Never
    Hasso> seen it in any other implementation. The address used in
    Hasso> NEXT_HOP attribute should be normally derived from interface
    Hasso> address used for BGP session (local-ip in XORP).  5.1.3
    Hasso> section in draft-ietf-idr-bgp4-26 should give quite good
    Hasso> rules for that. In case there is need to disregard these
    Hasso> rules, modifying nexthop is job of policies.

You make an excellent point.

I am sorting out some BGP issues at the moment I'll try and remove the
requirement to specify the nexthop.

    Atanu.