Consider the case where a subnet spans a distributed bridge group with an anycast gateway configured. Each proxy has the identical ip/mac configured. The src-address is the address of the device originating the proxy request. It would be my guess that the clixon command is looking up the src-address of the eth0 for you as a convenience. There is an h2cvpp yang model here: [0].
[0] https://github.com/FDio/hc2vpp/blob/master/dhcp/dhcp-api/src/main/yang/dhcp%402018-06-29.yang On Fri, May 7, 2021 at 11:34 PM <apri...@outlook.com> wrote: > Hi,all: > I found yang model for dhcp proxy in openconfig-relay-agent, but it > can't match with vpp implementation well. I set a dhcp proxy server in vpp > command line like this: > > vpp$ set dhcp proxy server 192.168.16.9 src-address 192.168.16.24 > > do the same thing via clixon command like this: > > clixon$ set relay-agent dhcp interfaces eth0 config helper-address > 192.168.16.9 > > why vpp need "src-address" parameter ? and it's mandatory ? > > >
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