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Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 648b4a1c..3dc1e294 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -2911,6 +2911,20 @@ be used in explicit configuration. BGP session (if acceptable), or the preferred address of an associated interface. + <tag><label id="bgp-next-hop-prefer">next hop prefer global</tag> + Prefer global IPv6 address to link-local IPv6 address for immediate next + hops of received routes. For IPv6 routes, the Next Hop attribute may + contain both a global IP address and a link-local IP address. For IBGP + sessions, the global IP address is resolved (<ref id="bgp-gateway" + name="gateway recursive">) through an IGP routing table + (<ref id="bgp-igp-table" name="igp table">) to get an immediate next + hop. If the resulting IGP route is a direct route (i.e., the next hop is + a direct neighbor), then the link-local IP address from the Next Hop + attribute is used as the immediate next hop. This option change it to + use the global IP address instead. Note that even with this option + enabled a route may end with a link-local immediate next hop when the + IGP route has one. Default: disabled. + <tag><label id="bgp-gateway">gateway direct|recursive</tag> For received routes, their <cf/gw/ (immediate next hop) attribute is computed from received <cf/bgp_next_hop/ attribute. This option |