Firewall interface arp broadcast

YYJ00999 — Wed, 20 Mar 2024 11:03:52 GMT

The firewall was deployed route mode , the interface 1/3 direct connect the DMZ switch . I found the firewall interface （1/3 172.20.1.1）always send arp (broadcast to the subnet 172.20.1.0/24 ) .Is there someone know why ? The firewall hardware 3020 and software is 9.1.16-h5 .

Re: Firewall interface arp broadcast

JayGolf — Tue, 19 Mar 2024 21:42:06 GMT

Hi @YYJ00999 ,

When you describe the arp broadcasts as "always" how often is that? If you run a show arp all in the CLI, you will see the ARP cache timeout.

topic Firewall interface arp broadcast in General Topics

Firewall interface arp broadcast

Re: Firewall interface arp broadcast