From: Jason Gardiner (gardiner@xxxxxxxxxx)
Date: Thu Oct 11 2001 - 16:40:58 GMT-3
You also have to watch confeds. Recently ran across one where _1_ would
not match on (1).
Willy Schoots wrote:
>
> Hi,
>
> The underscore in regular expressions means any delimiter (space, begin, end
> etc).
> So _1_ means that this route has passed through or originated in AS 1
>
> It would NOT match on routes that went through AS 100 or 65001 but not
> through AS 1
>
> You can test your regexp easily by doing a show ip bgp regexp ....
> Look at http://www.traceroute.org/#Route%20Servers for route servers with
> lots of routes where you can practice
>
> Cheers,
>
> Willy Schoots
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Gore, Peter
> Sent: Thursday, October 11, 2001 8:23 PM
> To: 'ccielab@groupstudy.com'
> Subject: Regular Expression
>
> Can anyone confirm how the _ (underscore) influences BGP AS paths?
>
> E.g. Does ip as-path access-list 1 permit _1_ allow any AS number in a path
>
> such as 100 or 65001 to be permitted or does _1_ permit any BGP AS path list
>
> with AS 1 at the beginning or end such as 1 100 65001 or 65001 100 1? So
> basically does this permit AS path 1, or an AS number containing a 1 within
> it?
>
> Hope this is clear.
>
> Thanks,
>
> Eddie.
>
> -----Original Message-----
> From: Gore, Peter
> To: 'Khalid Nafie'; Michael Le; ccielab@groupstudy.com
> Sent: 11/10/01 09:40
> Subject: RE: weird things in IOS ?
>
> 12.07T has a lot of bugs in it... known. Especially around the ISDN area
> !!
> upgrade is recommended
>
> -----Original Message-----
> From: Khalid Nafie [ mailto:knafie@ncr.com.kw <mailto:knafie@ncr.com.kw> ]
> Sent: Thursday, October 11, 2001 6:03 AM
> To: Michael Le; ccielab@groupstudy.com
> Subject: RE: weird things in IOS ?
>
> Me too I ad similar problem when i was testing authentica then the
> virtual
> link didn't work, then i removed the auth at all but the virtual link
> didn't
> work, i restarted and remove the ospf process several times then i don't
> know y it worked, i convenced me self that i was typing something wrong
> like
> the router id.
>
> -----Original Message-----
> From: Michael Le [ mailto:michael.le@lendlease.com.au
> <mailto:michael.le@lendlease.com.au> ]
> Sent: Thursday, October 11, 2001 3:29 AM
> To: ccielab@groupstudy.com
> Subject: weird things in IOS ?
>
> Hi Group.
> IOS doesn't seem to like me lately (12.07T)
>
> a virtual link statement is only partially working
>
> show ip ospf vir(shows its up and happening) - so i tried
> Rebooting all the routers, clearing ospf processes etc ...
> Nothing worked, just had to remove the command and put it in again,
> works
> straight away ?
>
> I've experienced similliar things in isdn confguration also.
>
> Any comments would be appreciated.
>
> Thanks.
>
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-- Thanks,Jason Gardiner Supervisor, Engineering Services Sprint E|Solutions
"You can swim all day in the Sea of Knowledge and still come out completely dry. Most people do."
- Norton Juster
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