Thanks Ole, Neale. Vyshakh
On Thu, Apr 9, 2020 at 1:56 PM Neale Ranns (nranns) <nra...@cisco.com> wrote: > > Hi Vyshakh, > > A well placed call to: > ip_neighbor_learn_dp() > would do the job. Then some tests in test_ip6.py TestIPv6RD. > > /neale > > On 09/04/2020 07:42, "vpp-dev@lists.fd.io on behalf of Ole Troan" < > vpp-dev@lists.fd.io on behalf of otr...@employees.org> wrote: > > Vyshakh, > > That’s certainly what the RFC says. > Care to submit a patch? > > Cheers > Ole > > > On 9 Apr 2020, at 06:10, vyshakh krishnan via lists.fd.io <vyshakh= > rtbrick....@lists.fd.io> wrote: > > > > > > Hi, > > > > VPP is not learning the MAC address on receiving an RA. Even after > receiving multiple RAs from a neighbor, ping to the link local address of > that neighbor results in a NS/NA resulting in the drop of 1st ping packet. > Is this expected? > > Just like learning the MAC from NA/NS, why can't learning be > triggered for an RA? > > > > Packet 3 > > > > 00:30:08:261191: memif-input > > memif: hw_if_index 1 next-index 4 > > slot: ring 0 > > 00:30:08:261208: ethernet-input > > frame: flags 0x1, hw-if-index 1, sw-if-index 1 > > IP6: 7a:55:92:76:00:01 -> 33:33:00:00:00:01 > > 00:30:08:261217: ip6-input > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:08:261236: ip6-mfib-forward-lookup > > fib 0 entry 4 > > 00:30:08:261246: ip6-mfib-forward-rpf > > entry 4 itf 1 flags Accept, > > 00:30:08:261250: ip6-replicate > > replicate: 2 via [@1]: dpo-receive > > 00:30:08:261255: ip6-local > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:08:261279: ip6-icmp-input > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:08:261288: icmp6-router-advertisement > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:08:261299: ip6-drop > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:08:261302: error-drop > > rx:memif11/11 > > 00:30:08:261303: drop > > ip6-icmp-input: valid packets > > > > Packet 4 > > > > 00:30:17:270341: memif-input > > memif: hw_if_index 1 next-index 4 > > slot: ring 0 > > 00:30:17:286366: ethernet-input > > frame: flags 0x1, hw-if-index 1, sw-if-index 1 > > IP6: 7a:55:92:76:00:01 -> 33:33:00:00:00:01 > > 00:30:17:286375: ip6-input > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:17:286381: ip6-mfib-forward-lookup > > fib 0 entry 4 > > 00:30:17:286388: ip6-mfib-forward-rpf > > entry 4 itf 1 flags Accept, > > 00:30:17:286392: ip6-replicate > > replicate: 2 via [@1]: dpo-receive > > 00:30:17:286396: ip6-local > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:17:286404: ip6-icmp-input > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:17:286407: icmp6-router-advertisement > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:17:286415: ip6-drop > > ICMP6: fe80::7855:92ff:fe76:1 -> ff02::1 > > tos 0x00, flow label 0x0, hop limit 255, payload length 32 > > ICMP router_advertisement checksum 0xfc3d > > 00:30:17:286417: error-drop > > rx:memif11/11 > > 00:30:17:286422: drop > > ip6-icmp-input: valid packets > > > > DBGvpp# ping fe80::7855:92ff:fe76:1 source memif-0/0/0/10 > > 76 bytes from fe80::7855:92ff:fe76:1: icmp_seq=2 ttl=63 time=28.0089 > ms > > 76 bytes from fe80::7855:92ff:fe76:1: icmp_seq=3 ttl=63 time=28.0221 > ms > > 76 bytes from fe80::7855:92ff:fe76:1: icmp_seq=4 ttl=63 time=24.0218 > ms > > 76 bytes from fe80::7855:92ff:fe76:1: icmp_seq=5 ttl=63 time=32.0252 > ms > > > > Statistics: 5 sent, 4 received, 20% packet loss > > DBGvpp# > > > > Thanks > > Vyshakh > > > > >
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