Hi all, Can someone please confirm this VPP IP6 RA issue? Any idea is welcome. I already tested the latest VPP build v23.02-rc0~96-ge69d97438~b598 with no success. Installed default IP6 GW on Windows7/10/UBNTairOS disappeared after a short time. Thanks
Best regards Petr B. pá 28. 10. 2022 v 18:37 odesílatel Petr Boltík <petr.bol...@gmail.com> napsal: > Hi all, > > I have discovered the problem with IP6 ND RA receiving side - it can be > observed on Windows 10/7/UBNT airos8 and some others. Issue not observed on > the Debian 11+nmcli. Configuration is pretty straightforward. Tested with > VPP 22.06, 22.10. Issue persists. VPP configuration is the default, tested > on APU4D4 and a few others. No linuxcp/nl is used. > > 1. configure VPP: > >> set interface ip address GigabitEthernet3/0/0 2a01:500::1/64 >> set interface state GigabitEthernet3/0/0 up >> create loopback interface >> set interface state loop0 up >> set interface ip address loop0 2a01:400::1/64 >> ip6 nd GigabitEthernet3/0/0 prefix 2a01:500::/64 default >> ip6 nd GigabitEthernet3/0/0 no ra-suppress >> > > vpp# show version > > vpp v22.10-release built by root on 89a4591888eb at 2022-10-26T14:00:30 > > > 2. connect host Windows7/10/ubnt to the GigabitEthernet3/0/0 and you can > observe weird behavior > - RA from VPP is received, IP6 address is installed. Icmp echo to the VPP > link local address and configured 2a01:500::1 works. > - RA from VPP is received, IP6 default route is installed and works. Icmp > echo to the 2a01:400::1 works. > > *Issue*: After stopping all icmp echo for a few seconds/minutes, IP6 > default route is removed from the host system, and the path to the > 2a01:400::1 is unknown for the host. The default route is removed - the > host device ignores ra-lifetime. > > LinuxCP/NL + RADVD sollution test: > I have already tried to solve this problem by using linuxcp/nl and RADVD, > but there is another issue. When radvd start, communication from the > external host to the link-local address stop passing. The host device > successfully receives prefix and default route, but the default route is > via the link-local address and the vpp link-local address is inaccessible > from the host device after radvd start. > > Best regards > Petr Boltik > >
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