Hi Yu,
create and configure the interface: DBGvpp# create sub-interface af_packet0 100 DBGvpp# set int state af_packet0.100 up DBGvpp# set int ip addr af_packet0.100 172.16.3.1/24 DBGvpp# set ip arp af_packet0.100 172.16.3.2 00:00:11:aa:bb:cc add a route through the sub-interface DBGvpp# ip route add 1.1.1.1/32 via 172.16.3.2 af_packet0.100 send ping traffic to match the route through the sub-interface (i'm using linux net-namespaces) vagrant@localhost:/vpp$ sudo ip netns exec vpp1 ping 1.1.1.1 capture vagrant@localhost:~$ sudo tcpdump -e -i vpp1 01:31:05.746543 02:fe:52:7d:4e:13 (oui Unknown) > 00:00:11:aa:bb:cc (oui Unknown), ethertype 802.1Q (0x8100), length 102: vlan 100, p 0, ethertype IPv4, 172.16.1.2 > 1.1.1.1: ICMP echo request, id 7008, seq 133, length 64 hth, neale ________________________________ From: [email protected] <[email protected]> on behalf of yu scott <[email protected]> Sent: 28 October 2016 08:46 To: [email protected] Subject: [vpp-dev] about vlan tag Hi all I want to send packet with tag from vpp sub interface which created by "create sub-interface af_packet0 100 " ping outside_int from sub interface, tcpdump in outside_int . But I can't see vlan tag in pcap captured by tcpdump. How to send packet from sub interface with vlan tag like linux vocnfig create interface? Thx Best Begards
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