hello i found a problem with vpp. i use the plugin from https://github.com/pimvanpelt/lcpng when i put the ip in the vlan and ping to another host via vpp the result is normal but if i ping from the linux host directly the result is not working.
> > vpp# show ip neighbors TenGigabitEthernetb5/0/3.921 > Time IP Flags Ethernet > Interface > 59172.3827 fe80::c6ad:34ff:fe4d:d2a9 D > c4:ad:34:4d:d2:a9 TenGigabitEthernetb5/0/3.921 > 59143.1475 fe80::a55:31ff:fe10:5886 D > 08:55:31:10:58:86 TenGigabitEthernetb5/0/3.921 > 59143.1443 2401:1700:1:1::bd D > 08:55:31:10:58:86 TenGigabitEthernetb5/0/3.921 > > > vpp# show interface addr > TenGigabitEthernetb5/0/3.921 (up): > L3 2401:1700:1:1::be/126 > > > vpp# ping 2401:1700:1:1::bd > 76 bytes from 2401:1700:1:1::bd: icmp_seq=1 ttl=64 time=17.8802 ms > 76 bytes from 2401:1700:1:1::bd: icmp_seq=2 ttl=64 time=10.8126 ms > 76 bytes from 2401:1700:1:1::bd: icmp_seq=3 ttl=64 time=13.9053 ms > 76 bytes from 2401:1700:1:1::bd: icmp_seq=4 ttl=64 time=17.9334 ms > 76 bytes from 2401:1700:1:1::bd: icmp_seq=5 ttl=64 time=10.9368 ms > > Statistics: 5 sent, 5 received, 0% packet loss > > > najib@DPDK:~$ ip add show dev xe1.921 > 14: xe1.921@xe1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue > state UP group default qlen 1000 > link/ether 3c:ec:ef:43:b3:1b brd ff:ff:ff:ff:ff:ff > inet6 2401:1700:1:1::be/126 scope global > valid_lft forever preferred_lft forever > inet6 fe80::3eec:efff:fe43:b31b/64 scope link > valid_lft forever preferred_lft forever > > > > najib@DPDK:~$ ip ne show dev xe1.921 > 2401:1700:1:1::bd router FAILED > > najib@DPDK:~$ ping 2401:1700:1:1::bd > PING 2401:1700:1:1::bd(2401:1700:1:1::bd) 56 data bytes > From 2401:1700:1:1::be icmp_seq=1 Destination unreachable: Address > unreachable > From 2401:1700:1:1::be icmp_seq=2 Destination unreachable: Address > unreachable > From 2401:1700:1:1::be icmp_seq=3 Destination unreachable: Address > unreachable > ^C > --- 2401:1700:1:1::bd ping statistics --- > 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time > 4100ms > > > > any suggestions for this problem?
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