Hi community,
I have a question about configuring arp_proxy on gateway router port. The setup
is something like
eth0 <-> lsp-ext-ln -| ls-ext |- lsp-ext <-> lrp-ext -| lr-ext |-
The uplink br-ext/eth0 has the IP address is 10.80.35.63/24, and the logical
router lr-ext is configured as distributed gateway port. When I add arp-proxy
to the logical switch port lsp-ext's options such as
options : {arp_proxy="10.80.35.64 10.80.35.65", router-port=lrp-ext}
No proxy arp is replied for arp request on either 10.80.35.64 or 10.80.35.65
received by eth0/lsp-ext-ln
However, when any of the external IP is added to the logical router lr-ext's
nat table, the proxy arp shall be replied with the MAC of eth0, for example,
ovn-nbctl lr-nat-list lr-ext
TYPE EXTERNAL_IP EXTERNAL_PORT LOGICAL_IP
EXTERNAL_MAC LOGICAL_PORT
dnat_and_snat 10.80.35.65 253.255.0.32
Because not all the external IPs will be configured as a nat rule in logical
lr-ext, how could I configure proxy ARP for gateway port?
We have arp_proxy configured on logical switch port that connected to logical
router that is not distributed gateway port, and that works.
Any help will be much appreciated, thanks,
Joe Liu
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