Re: Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread Xueyan Liu
You're right. Didn't think that you would have number(s) right before 7.

Xueyan


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Re: Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread Andrew Cook
""Xueyan Liu""  wrote in message
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> 701$ matches routes end with 701, such as 1234 701, 234 345 701, etc
> _701$ matches routes end with 701, I would say it's same as 701$

There is a difference between 701$ and _701$.  701$ would match any AS path
that ended with 701, so the AS path could end with 701, 2701, 11701, etc.
In _701$, the _ would mandate a space (or a few other characters), so it
would only match an AS path that ended with AS 701.

Andrew




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Re: Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread J.D. Chaiken
My understanding was that 701$ differs from _701$  in that 701$ will also
match 5701 10701, etc  whereas _701$ will *only* match AS 701.  Please
correct me if I'm mistaken.


Thanks
Jarett

""Xueyan Liu""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi,
>
> The following cisco webpage explains different regular expressions.
>
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_command_refe
rence_chapter09186a00800ca655.html
>
> From what I worked in the isp world,
> ^701$ matches routes with AS number 701 only in the AS-PATH
> 701$ matches routes end with 701, such as 1234 701, 234 345 701, etc
> _701$ matches routes end with 701, I would say it's same as 701$
> _701_ matches routes that have 701 anywhere in the AS-PATH
>
> Hope this helps.
>
> Xueyan




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Re: Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread YASSER ALY
^701$ = Routes originated from AS 701 and received directly to your AS

_701$ = Routes originated from AS 701 and passed by another AS before
reaching yours

_701_ = Routes that passed by AS 701 before reaching yours. They are
neither originated

   by AS 701 nor your AS is the next AS after 701

>From: "Cisco Nuts" > >Hello,I am trying to find the exact differences
between ^701$ 701$ >_701$ and _701_ to implement in a route-map deny
statement.Here is what I >understand:^701$ - Deny all routes originating
from AS701701$ - Does >this mean the same as above?? _701$ - Deny only AS
701 routes_701_ - >Deny routes via AS 701 or have passed through AS 701
Please advise.Thank >you.Sincerely,CN >
>
> >The new MSN 8: smart spam protection and 2 months FREE*. > > > >
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RE: Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread Xueyan Liu
Hi,

The following cisco webpage explains different regular expressions.
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_command_reference_chapter09186a00800ca655.html

>From what I worked in the isp world,
^701$ matches routes with AS number 701 only in the AS-PATH
701$ matches routes end with 701, such as 1234 701, 234 345 701, etc
_701$ matches routes end with 701, I would say it's same as 701$
_701_ matches routes that have 701 anywhere in the AS-PATH

Hope this helps.

Xueyan



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Diff. b/w ^701$ 701$ _701$ _701_ [7:61219]

2003-01-16 Thread Cisco Nuts
Hello,I am trying to find the exact differences between ^701$   701$ 
_701$ and _701_ to implement in a route-map deny statement.Here is what I
understand:^701$ - Deny all routes originating from AS701701$  - Does
this mean the same as above?? _701$  - Deny only AS 701 routes_701_ -
Deny routes via AS 701 or have passed through AS 701 Please advise.Thank
you.Sincerely,CN



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