From: Kim (support@isolvesystems.com)
Date: Fri Feb 23 2007 - 11:25:25 ART
Oops..you are right. I got the wrong mask...This type of thing will kill me
in the lab....
On 2/23/07, Eric Leung <eric.lwc@gmail.com> wrote:
>
> Hi Kim,
>
> I am not sure which specifc routes you wnat to summarize, but from the summary-address
> 172.9.4.0 255.255.255.252 command,
> this command has just summarize 172.9.4.0/30, 172.9.4.1/30, 172.9.4.2/30, 172.9.4.3/30
> .
>
> If you really want to summarize 172.9.4.0/24, 172.9.5.0/24, 172.9.6.0/24, 172.9.7.0/24
> I think you should use summary-address 172.9.4.0 255.255.252.0.
>
> HTH
> Eric Leung
>
> 2007/2/23, Kim <support@isolvesystems.com>:
> >
> > R6 and R9 are in area 0. Summary-address is done on R9 to summarize
> > external routes. Please see below.
> > -----------------------------------------------------------
> > R9
> > interface Loopback0
> > ip address 9.9.9.9 255.255.255.0
> > !
> > interface Loopback1
> > ip address 172.9.4.9 255.255.255.0
> > !
> > interface Loopback2
> > ip address 172.9.5.9 255.255.255.0
> > !
> > interface Loopback3
> > ip address 172.9.6.9 255.255.255.0
> > !
> > interface Loopback4
> > ip address 172.9.7.9 255.255.255.0
> >
> > router ospf 1
> > router-id 9.9.9.9
> > log-adjacency-changes
> > area 0 authentication message-digest
> > summary-address 172.9.4.0 255.255.255.252
> > redistribute connected subnets route-map loopback
> > network 9.9.9.0 0.0.0.255 area 0
> > network 150.50.69.0 0.0.0.255 area 0
> > -------------------------------------------------------
> > sh ip rou on R6
> >
> > 172.9.0.0/16 is variably subnetted, 4 subnets, 2 masks
> > O E2 172.9.5.0/24 [110/20] via 150.50.69.9, 00:42:52, Multilink1
> > O E2 172.9.4.0/30 [110/20] via 150.50.69.9, 00:42:52, Multilink1
> > O E2 172.9.7.0/24 [110/20] via 150.50.69.9, 00:42:52, Multilink1
> > O E2 172.9.6.0/24 [110/20] via 150.50.69.9, 00:42:52, Multilink1
> > -------------------------------------------------------
> >
> > On 2/23/07, Eric Leung <eric.lwc@gmail.com> wrote:
> > >
> > > Hi Kim,
> > >
> > > Can you post your config? summary-address command should only
> > > advertise one external route as an aggregate for all more specific routes.
> > >
> > > HTH,
> > > Eric Leung
> > >
> > >
> > > 2007/2/23, Kim <support@isolvesystems.com>:
> > > >
> > > > I issued the "summary-address 172.9.4.0 255.255.255.252" to
> > > > summarize
> > > > external route. I got the summary route, but the more specific
> > > > routes are
> > > > still advertised from the ASBR. Is it normal?
> > > >
> > > > Thank.
> > > > Kim
> > > >
> > > > _______________________________________________________________________
> > > >
> > > > Subscription information may be found at:
> > > > http://www.groupstudy.com/list/CCIELab.html
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