Re: ip route statement [7:43001]

2002-05-01 Thread Patrick Ramsey
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

RE: ip route statement [7:43001]

2002-05-01 Thread Chris Charlebois
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

Re: ip route statement [7:43001]

2002-05-01 Thread MADMAN
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

RE: ip route statement [7:43001]

2002-05-01 Thread Ladrach, Daniel E.
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

Re: ip route statement [7:43001]

2002-05-01 Thread ashish
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

Re: ip route statement [7:43001]

2002-05-01 Thread ashish
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

Re: ip route statement [7:43001]

2002-05-01 Thread Chuck
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

Re: ip route statement [7:43001]

2002-05-01 Thread Michael L. Williams
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- > >

Re: ip route statement [7:43001]

2002-05-02 Thread Mike Smith
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

Re: ip route statement [7:43001]

2002-05-02 Thread Stanfast Preye
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

RE: ip route statement [7:43001]

2002-05-02 Thread Blair, Philip S
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