Neighbor Solicitation sent with every packet after RA route changed
Issue
- Router Advertized route is lowest metric route for a route class, e.g. default.
ip -6 route change
modified Router Advertisement created route, change includes gateway modification.- Router Advertised packet received after
ip -6 route change
to re-add RA route. - Neighbour Table purged of RA route gateway address by neighbour garbage collection
- Every (or almost every) sent packet results in Neighbour Solicitation to the gateway of the Router Advertised route.
sysctl net.ipv6.conf.*.accept_ra = 1
Environment
- Red Hat Enterprise Linux 7
- IPv6
net.ipv6.conf.*.accept_ra = 1
enabled to accept Router Advertisements
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