6 votes
Accepted

Can ARP tables store addresses for other networks?

"It doesn't work like that." Nothing in network A will even attempt to find network B via layer-2 (ARP), because it's not a local ("on-link") network. They will forward that ...
Ricky's user avatar
  • 32.2k
5 votes

Can ARP tables store addresses for other networks?

You seem to be talking about proxy ARP: the source (or previous hop) thinks that an address is on link (this might be a problem for you). On-link addresses are resolved by ARP, so an ARP request is ...
Zac67's user avatar
  • 84.4k
1 vote

Core Switches Redundancy Problem

A redundant L3 gateway requires you to set up a router redundancy protocol like VRRP or HSRP with a virtual IP. The virtual IP is assigned to the active router and moves over to the standby on failure....
Zac67's user avatar
  • 84.4k
1 vote
Accepted

Core Switches Redundancy Problem

There are several ways to do this, depending on your needs and the devices and versions. The simplest way is if your two core switches are stackable, making them look like a single logical switch. If ...
Ron Maupin's user avatar
  • 99.6k

Only top scored, non community-wiki answers of a minimum length are eligible