bgpd: fix AIGP calculation in route advertisement (backport #17168) #17184
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In this topotest, the route reflector advertises a route with the aigp attribute to its client, some with the nexthop unchanged and some with the nexthp changed. Different aigp values are sent to the clients depending on the nexthop setting. Signed-off-by: Enke Chen <[email protected]> (cherry picked from commit 7e7f65c)
Currently the AIGP is always incremented when a route with the attribute is advertised. That is incorrect when the nexthop is unchanged, as is commonly the case in route reflection. Adjust the AIGP for propagation only when the nexthop is set to ourselves. Signed-off-by: Enke Chen <[email protected]> (cherry picked from commit fc82d77)
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Currently the AIGP is always incremented when a route with the
attribute is advertised. That is incorrect when the nexthop is
unchanged, as is commonly the case in route reflection.
Adjust the AIGP for propagation only when the nexthop is set
to ourselves.
This is an automatic backport of pull request #17168 done by Mergify.