I've never done this before... I've migrated countless networks to new ip
schemes.
But you have not given us a whole lot of info to go by. check out this
link. Is this what you are trying to accomplish?
http://www.cisco.com/warp/public/105/52.html#subfirstone
There are other reasons to rout
I'm not sure what you mean by "implementing migrating". The cammand that
you mentioned is a easy efficient access-list alternative. Essentially it
tells the router to drop all packets destined for the specified network.
It's easier to setup than an access-list, and more efficent in terms of
pro
Never knew it was. Where does it say this is necessary?? I use
routes to null to generate a route or send packets to a bit bucket.
Dave
Stanfast Preye wrote:
>
> Dear Group,
>
> Why is it necessary to configure all routers in a network with "ip route
> xxx.xxx.xxx.xxx null 0" statement bef
The Null interface is typically used for preventing routing loops.
Daniel Ladrach
CCNA, CCNP
WorldCom
> -Original Message-
> From: Stanfast Preye [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, May 01, 2002 2:34 PM
> To: [EMAIL PROTECTED]
> Subject: ip route statement [7:43001]
>
>
> De
Hi Preye
The Null interface is also used to filter the private network from the
Internet.
does this give u some clue ???
- Original Message -
From: Ladrach, Daniel E.
To:
Sent: Wednesday, May 01, 2002 1:09 PM
Subject: RE: ip route statement [7:43001]
> The Null interface
Hi Preye
The Null interface is also used to filter the private network from the
Internet.
does this give u some clue ???
- Original Message -
From: Ladrach, Daniel E.
To:
Sent: Wednesday, May 01, 2002 1:09 PM
Subject: RE: ip route statement [7:43001]
> The Null interface
can you provide an example of what circumstance might require the use of a
null route to prevent a loop? My lack of imagination is preventing me from
deriving my own example.
""Ladrach, Daniel E."" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> The Null interface is typically
Also, to supplement (or create) summary routes...
Mike W.
"Ladrach, Daniel E." wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> The Null interface is typically used for preventing routing loops.
>
> Daniel Ladrach
> CCNA, CCNP
> WorldCom
>
>
> > -Original Message-
> >
One reason to add that null 0 hold down route is so you always have
it in your route table. For instance if you are running BGP and anouncing
a /20 to a provider and you have instability in your IGP you may lose the
route in your table and not anounce that to your provider. If your provider
sees t
Can it be used as a default-gateway for hosts in LANs when migrating from
one class of IP Address to another.
Example:
Host configuration (default-gateway=128.100.10.32)
Router global configuration (ip route 128.100.10.32 null 0)
Can somebody explain ho
o the missing route
will match the null route, thus stopping the loop.
Hope that explains at least one case.
Philip
-Original Message-
From: Chuck [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 01, 2002 10:18 PM
To: [EMAIL PROTECTED]
Subject: Re: ip route statement [7:43001]
can you provi
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