There's no way to disable the check. VPP expects the ARP request to have only address that belong to the link on which the ARP packet is sent. IMHO the sender's behaviour is wrong.
/neale tpyed by my fat tumhbs ________________________________ From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> on behalf of Satya Murthy <satyamurthy1...@gmail.com> Sent: Wednesday, August 19, 2020 3:03:49 PM To: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> Subject: [vpp-dev] ARP resolution from non-connected IP Hi, Have a query on the ARP resolution. We have a Router and VPP-box connected. We are trying to do some peering from router’s loopback IP. This loopback IP is not in the connected subnet-range. Due to this, router is initiating an ARP request with src as non-connected-IP in the payload. VPP is dropping this ARP request saying “IP4 source address not local to subnet”. In linux and in cisco routers, we have options to allow ARP requests from non-connected subnets. Is there any workaround in VPP to allow this ARP request. Please let us know. -- Thanks & Regards, Murthy
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