Hi Ravi, A memif interface is not p2p, so your ABF policy path needs a next-hop:
abf policy add id 0 acl 0 via 192.168.1.X memif1/0 where .X is the host on the other end. /neale From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> on behalf of RaviKiran Veldanda via lists.fd.io <ravi.jupvpp=gmail....@lists.fd.io> Date: Friday, 16 July 2021 at 17:15 To: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> Subject: [vpp-dev] ACL-->ABF--> Memif, Seeing arp request for the packets #acl #abf #policy #routing [Edited Message Follows] Hi Experts, We are trying to implement forwarding dst X.X.X.X/X subnet packets on interface Y to the memif1/0 To achieve that we used ACL and ABF policy rules. When I am trying to send traffic to "X.X.X.X" network I see ARP requests for that subnet on memif1/0. We don't need to send ARP for these "X.X.X.X", because Our application at other end of memif1/0 will take care of further processing. How to achieve that kind of forwarding. Please find my configuration for your reference. =========Receving on the memif ==== set interface state HundredGigabitEthernet12/0/0 up create sub-interfaces HundredGigabitEthernet12/0/0 1100 set interface state HundredGigabitEthernet12/0/0.1100 up set interface ip add HundredGigabitEthernet12/0/0.1100 192.168.110.2/24 create memif socket id 1 filename /run/vpp/memif1.sock create interface memif id 0 socket-id 1 master set interface state memif1/0 up set interface ip add memif1/0 192.168.1.3/24 ==== ACL rules ==== set acl-plugin acl permit dst 172.172.0.0/24 abf policy add id 0 acl 0 via memif1/0 abf attach ip4 policy 0 HundredGigabitEthernet12/0/0.1100 =========================== We are expecting any "Ingress" traffic destined to "172.172.0.0/24" should go to the "memif1/0". We tried giving abf policy add id 0 acl 0 via 192.168.1.5 memif1/0 --> still same problem. We see ARP request for 172.172.0.1 How can we achieve that kind of forwarding in VPP? Any pointers will be a big help for us. //Ravi
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