Just to be careful with Multihop that it can't get to that peer via
another path other than the one you want to use.
Setting multihop 200 for example is not that good an idea normally.
Darren
On Thu, 11 Jan 2001, Brant Stevens wrote:
> For one, the loopback interface doesn't shutdown, (unlesss there is a router
> reset) which increases the stability of a BGP session with it's neighbor.
>
> Secondly, it makes for easy identification of the source of an route update,
> allowing you to specify the IP address to use on the router's loopback
> interface.
>
> The update source command basically says that the router updates are
> originating from a given router.
>
> When using an eBGP session, make sure to use the ebgp-multihop command
> config when configuring the neighbor relationship.
>
> Guys and girls, please feel free to add anything I may have missed, or
> correct anything that's wrong...
>
> -Brant
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> root
> Sent: Thursday, January 11, 2001 1:09 PM
> To: [EMAIL PROTECTED]
> Subject: update source loopback 0 ?
>
>
> Hello,
>
> What is the reason for using the command UPDATE SOURCE LOOPBACK 0? I
> read the explanation that says it specifies the interface to be used as
> a source IP address of the BGP session with the neighbor. What does
> this mean exactly? What does this do for me exactly?
>
> neighbor 123.12.3.1 remote-as 1
> neighbor 123.12.3.1 update-source loopback 0
> neighbor 123.12.3.1 next-hop-self
> neighbor 123.12.3.1 soft-reconfiguration inbound
>
> What does this do to the neighbor 123.12.3.1's routing table if
> anything?
>
> Thank You,
> Andre
>
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