This is standard router behavior. Multiple interfaces on the same subnet are not allowed.
Please explain the use case in detail. Otherwise, we won’t be able to help. D. From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of krishnamurthy.m...@gmail.com Sent: Tuesday, September 10, 2019 10:56 AM To: vpp-dev@lists.fd.io Subject: [vpp-dev] Support for shared subnet Hi, We have a use case where we'd like to configure IP addresses on multiple interfaces in the same IP subnet. Currently this use case seems to be unsupported in 18.10 version of Fd.Io. Is this feature supported in a more current version? If not, can you please provide me guidance on how I can add support to this functionality? vpp# show version vpp v18.10-2 vpp# show interface address VirtualFunctionEthernet0/6/0 (up): VirtualFunctionEthernet0/6/0.56 (up): L3 10.10.56.1/24 VirtualFunctionEthernet0/8/0 (up): VirtualFunctionEthernet0/8/0.57 (up): L3 10.10.57.1/24 vpp# set int ip address VirtualFunctionEthernet0/6/0.56 10.10.57.2/24 set interface ip address: failed to add 10.10.57.2/24 which conflicts with 10.10.57.1/24 for interface VirtualFunctionEthernet0/8/0.57 vpp# set int ip address VirtualFunctionEthernet0/6/0.56 10.10.62.2/24 Thanks Krishna
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