hey,
Huawei VRP has magic feature to enable periodic ARP for static route,
so that static route is not installed if far_end does not resolve or
stops resolving. Cisco and Juniper do not.
So does Nokia SROS:
[no] static-route {ip-prefix/prefix-length | ip-prefix netmask }
[validate-next-hop]
validate-next-hop:
This configuration option tracks the state of the next-hop in the IPv4
ARP cache or IPv6 Neighbor Cache. When the next-hop is not reachable and
is removed from the ARP or Neighbor Cache, the next-hop will no longer
be considered valid. When the next-hop is again reachable and present in
the ARP/Neighbor Cache, the static route will be considered valid.
Note: This feature is supported for directly connected next-hops only,
and is exclusive with indirect routes.
--
tarko
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