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arp on routers

aksher
Level 1
Level 1

scenario: 3 routers a,b,c conected in tandem.will router a have c's arp entry if manually configured with arp?in default a will have only b's arp and b will have a's and c's.

8 Replies 8

paolo bevilacqua
Hall of Fame
Hall of Fame

In tandem ??

Over a lan each router will have all the needed arp entries. What is your worry ?

Tht's a is connected to b and b to c

By which media ?

UTP

ethernet - so A doesn't need C's ARP entry and viceversa, as they are on different subnets.

ok, what's the scenario if it is not UTP?

No difference - I asked to better understand.

bvsnarayana03
Level 5
Level 5

Router's store arp only for its directly connected device.

A have ARP for B

B have ARP for both A & C

C have ARP for B

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