Re: Want to practice your BGP regular expressions?

A good example of AS Path prepending check through Regular expression:
route-views.oregon-ix.net>sh ip bgp regexp _9541_9541$
BGP table version is 29454007, local router ID is 198.32.162.100
Status codes: s suppressed, d damped, h history, * valid, > best, i -
internal,
              r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network Next Hop Metric LocPrf Weight Path
* 61.5.156.0/24 129.250.0.11 293 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 9541 9541
i
* 129.250.0.171 369 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 9541 9541
i
* 61.5.157.0/24 129.250.0.11 293 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 9541 9541
i
* 129.250.0.171 369 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 9541 9541
i
* 124.29.246.0/24 129.250.0.11 293 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 i
* 129.250.0.171 369 0 2914 8966 8961
38193 38193 38193 38193 38193 38193 38193 9541 9541 9541 9541 9541 i
* 124.109.42.0/24 217.75.96.60 0 0 16150 5400
17557 9541 9541 9541 9541 9541 9541 9541 9541 i
* 203.181.248.168 0 7660 2516 7473
17557 9541 9541 9541 9541 9541 9541 9541 9541 i
* 208.51.134.254 13867 0 3549 5400 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
* 128.223.253.8 0 3582 4600 11537
3549 5400 17557 9541 9541 9541 9541 9541 9541 9541 9541 i
* 128.223.253.9 0 0 3582 4600 11537
3549 5400 17557 9541 9541 9541 9541 9541 9541 9541 9541 i
* 206.24.210.102 0 3561 7473 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
* 114.31.199.1 0 4826 3356 7473
17557 9541 9541 9541 9541 9541 9541 9541 9541 i
* 4.69.184.193 0 0 3356 7473 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
* 207.172.6.20 81 0 6079 7473 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
* 207.172.6.1 0 0 6079 5400 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
* 66.59.190.221 0 6539 5400 17557
9541 9541 9541 9541 9541 9541 9541 9541 i
route-views.oregon-ix.net>

On Sat, May 2, 2009 at 5:25 PM, Ryan West <rwest_at_zyedge.com> wrote:

> And another for the list:
>
> http://traceroute.org/#Route%20Servers
>
> The first route-server I normally use is route-views.oregon-ix.net (it's
> been around a long time), but I've been using AT&T's a lot lately now too.
>
> -ryan
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Salah ElShekeil
> Sent: Saturday, May 02, 2009 7:14 AM
> To: Dale Shaw
> Cc: Cisco certification
> Subject: Re: Want to practice your BGP regular expressions?
>
> also this is a nice one :)
>
> http://routeviews.org/
>
>
>
> On Sat, May 2, 2009 at 3:57 AM, Dale Shaw <dale.shaw_at_gmail.com> wrote:
>
> > Forget about a piddly lab network, use a public route-server:
> >
> > From: http://www.cymru.com/Documents/secure-bgp-template.html
> >
> > route-views.oregon-ix.net
> > ner-routes.bbnplanet.net
> > route-server.cerf.net
> > route-server.ip.att.net
> > route-server.east.attcanada.com
> > route-server.west.attcanada.com
> > route-server.cbbtier3.att.net
> > route-server.gblx.net
> > route-server.as5388.net
> > route-server.savvis.net
> > route-server.colt.net
> > route-server.opentransit.net
> > route-server.gt.ca
> > public-route-server.is.co.za (South African routes only)
> > route-server.belwue.de
> > route-views.on.bb.telus.com
> > route-views.ab.bb.telus.com
> > route-server.ip.tiscali.net
> > route-server.wcg.net
> > route-server.manilaix.net.ph
> > route-server.ip.ndsoftware.net
> > route-server.utah.rep.net
> > route-server.he.net
> > zebra.swinog.ch
> >
> > route-server>sh ip bgp summ
> > BGP router identifier 12.0.1.28, local AS number 65000
> > BGP table version is 33324117, main routing table version 33324117
> > 279773 network entries using 33852533 bytes of memory
> > 5176914 path entries using 269199528 bytes of memory
> > 302415/49082 BGP path/bestpath attribute entries using 42338100 bytes of
> > memory
> > 64555 BGP AS-PATH entries using 1689170 bytes of memory
> > 160 BGP community entries using 3840 bytes of memory
> > 0 BGP route-map cache entries using 0 bytes of memory
> > 0 BGP filter-list cache entries using 0 bytes of memory
> > BGP using 347083171 total bytes of memory
> > Dampening enabled. 802 history paths, 399 dampened paths
> > BGP activity 618359/338586 prefixes, 21541827/16364913 paths, scan
> > interval 60 secs
> > [...]
> >
> > route-server>sh ip ro summ
> > IP routing table name is Default-IP-Routing-Table(0)
> > IP routing table maximum-paths is 32
> > Route Source Networks Subnets Overhead Memory (bytes)
> > connected 0 1 64 152
> > static 3 10 832 1976
> > bgp 65000 132237 147469 17901184 42828452
> > External: 279706 Internal: 0 Local: 0
> > internal 2772 3248784
> > Total 135012 147480 17902080 46079364
> >
> > Go wild.
> >
> > cheers,
> > Dale
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
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>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
Regards,
Asif Khan
Blogs and organic groups at http://www.ccie.net