From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Thu May 03 2001 - 15:58:11 GMT-3
This is a really bad idea :) 100k routes in your IGP just won't fly for very l
ong. In practise, BGP is never redistributed into the IGP except selectively i
s rare corner cases.
Pete
*********** REPLY SEPARATOR ***********
On 5/3/2001 at 1:19 PM Ken Yeo wrote:
>Hi Mark,
>
>Or use:
>
>router ospf 1
>redistribute bgp subnet
>
>----- Original Message -----
>From: <mcaplan.cs@clearstream.com>
>To: <ccielab@groupstudy.com>
>Sent: Thursday, May 03, 2001 12:38 PM
>Subject: BGP and no-sync
>
>
>> Hi,
>>
>> I have a question regarding the effects of no-sync on BGP.
>>
>> The rule for synch, as far as I know is that an IBGP peer will not
>advertise
>> a BGP route to another peer (IBGP or EBGP) if that route does not exist
>in
>> the IGP.
>>
>> From my observations, a corollary to that is that a BGP peer will not
>> install learnt BGP routes into the routing table if sync is turned on
>> (assuming no redistribution). This is shown by comparing 'sh ip bgp' with
>> 'sh ip route'; if sync is on, then routes will be visible in the BGP
>routing
>> table, but will not be in the IP routing table. To get these BGP routes
>into
>> the IP routing table, one has to simply do a 'no sync'.
>>
>> I'm just thinking aloud here, but I would appreciate some confirmation of
>my
>> logic.
>>
>> Thanks
>>
>> Mark
>>
>>
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