On 8/16/19 3:28 PM, Ben Greear wrote: > On 8/16/19 12:15 PM, David Ahern wrote: >> On 8/16/19 1:13 PM, Ben Greear wrote: >>> I have a problem with a VETH port when setting up a somewhat complicated >>> VRF setup. I am loosing the global IPv6 addr, and also the route, >>> apparently >>> when I add the veth device to a vrf. From my script's output: >> >> Either enslave the device before adding the address or enable the >> retention of addresses: >> >> sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1 >> > > Thanks, I added it to the vrf first just in case some other logic was > expecting the routes to go away on network down. > > That part now seems to be working. >
The down-up cycling is done on purpose - to clear out neigh entries and routes associated with the device under the old VRF. All entries must be created with the device in the new VRF.
