From: Joseph D. Phillips (josephdphillips@fastmail.us)
Date: Sun Jul 25 2004 - 14:13:12 GMT-3
I noticed you used parentheses in:
show run | inc (router ospf)|(summary)
That outputs every line that matches each parenthetical phrase. Very
cool.
I was wondering how you would go about showing the running-config
beginning with "router isis" such that you would exclude the references
to "ip router isis" within interface configurations.
I hope this makes sense.
When I do show run | begin router isis I always see more than I want.
On Sun, 25 Jul 2004 03:20:41 -0400, "Brian Dennis"
<bdennis@internetworkexpert.com> said:
> They are referring to EIGRP, OSPF, BGP, etc summary/aggregate routes
> that automatically point to null.
>
> Rack1R1#sho run | in (router ospf)|(summary)
> router ospf 1
> summary-address 172.16.0.0 255.255.0.0
> Rack1R1#sho ip rout | in Null
> O 172.16.0.0/16 is a summary, 00:00:44, Null0
> Rack1R1#
>
> Rack1R6#sho run | in (router bgp)|(aggregate)
> router bgp 100
> aggregate-address 96.0.0.0 224.0.0.0
> Rack1R6#sho ip route | in Null
> B 96.0.0.0/3 [200/0] via 0.0.0.0, 00:00:37, Null0
> Rack1R6#
>
> Rack1R3#sho run | in (interface Serial1/0.34)|(summary-address)
>
> interface Serial1/0.34 point-to-point
> ip summary-address eigrp 1 191.1.0.0 255.255.128.0 5
> Rack1R3#sho ip route | in Null
>
> D 191.1.0.0/17 is a summary, 00:01:49, Null0
> Rack1R3#
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
> bdennis@internetworkexpert.com
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Howard C. Berkowitz
> Sent: Saturday, July 24, 2004 11:34 PM
> To: group study
> Subject: RE: Using ip route to null 0 to advertise local network to BGP
> peer
>
> At 12:56 AM -0400 7/25/04, Brian Dennis wrote:
> >Joseph,
> > Here is a quote from the CCIE team's Networker's Presentation
> >concerning the use of static routes:
> >
> ><quote>
> >Unless a question says so, you are not permitted to use**:
> >Static routes (of any kind)
> >Default routes
> >
> >**Dynamic routes to null are permitted
> ></quote>
> >
>
> Brian,
>
> Would you agree that "dynamic route to null" pretty much has to be a
> static route to null redistributed into a dynamic routing protocol?
> Offhand, I don't think any dynamic routing protocol has any inherent
> knowledge of null, so the information really has to come from a
> static route.
>
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