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486
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routing loops

carl_townshend
Spotlight

Can anyone give me the most common causes of these ?

3 Replies 3

amit-singh
Level 8
Level 8

The most common cause of the routing loops is the misconfiguration of the routing protocols/parameters on the router.

-amit singh

kamal-learn
Level 4
Level 4

hi

one of the major cause of a routing loops is a redistribution from one protocol into another,especialy when you have two boundary routers both of them doing redistribution .

if it s not planned adequately you can create a feed back hence a loop!!!

HTH

please do rate if it does clarify

scottmac
Level 10
Level 10

I believe the most common cause is incorrect config on the default route / static route.

For example, two routers that have each other as the default gateway. If a packet arrives destined to an unknown subnet, the routers will send the packet back & forth until it times out (TTL expired).

OR one router with a Default to another router (and maybe others .... ) where one has a static back to the router with the default

Good Luck

Scott