Re: peer groups inside a RR cluster ..any restrictions ????

Thanks for pointing out the doc is outdated :)"

On Tue, Jun 1, 2010 at 6:07 PM, Alexei Monastyrnyi <alexeim73_at_gmail.com>wrote:

> Hi.
>
> Apparently you are reading something outdated.
>
> Limitations of Peer Groups
>
> Cisco IOS Software Releases earlier than 11.1(18)CC have the limitations
> described in this section. Failure to adhere to these rules can result in
> inconsistent routing.
>
> -
>
> If you use peer groups for clients of a route reflector, all the
> clients must be fully meshed.
>
>
> http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093fb7.shtml
>
>
> HTH
> A.
>
> On 6/1/2010 9:44 PM, ehtesham ali wrote:
>
> HI EXPERTS,
>
> I am unable to understand the following points from Cisco doc *
> *
>
> *
> *
>
> *Important Note:* Do not use peer groups if the clients inside a cluster do
> not have direct iBGP peers among one another and the clients exchange
> updates through the RR. If you configure peer groups, a potential withdrawal
> to the source of a route on the RR transmits to all clients inside the
> cluster. This transmission can cause problems.
>
> The router subcommand *bgp client-to-client reflection* is enabled by
> default on the RR. If you turn off BGP client-to-client reflection on the RR
> and you make redundant BGP peering between the clients, you can safely use
> peer groups.
>
>
> why i cant use peer groups insider a RR cluster ?
>
> thanks
>
>
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>
>
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Received on Tue Jun 01 2010 - 20:14:00 ART