[[nsp] Policy Route Maps]

[Joshua Sahala]

r1---r2---r3---server 
 
on r1 
int $inbnd_int 
ip policy route-map MY_SERVER 
 
route-map MY_SERVER permit 100 
descr route-map to push traffic where i want it 
match ip address 111 
set ip next-hop $r2_inbnd_int 
 
route-map MY_SERVER permit 200 
descr catch-all statement to permit non-interesting traffic 
 
access-list 111 permit ip xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx host $server 
 
on r2 
int $inbnd_int 
ip policy route-map MY_SERVER_2 
 
route-map MY_SERVER_2 permit 100 
descr route-map to push traffic where i want it 
match ip address 112 
set ip next-hop $r3_inbnd_int 
 
route-map MY_SERVER_2 permit 200 
descr catch-all statement to permit non-interesting traffic 
 
access-list 112 permit ip xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx host $server 
 
r3 should know where the server lives, if not, you can set up an similar
route-map 
to push the traffic to the correct next hop or interface. 
 
ugly yes, but it works for me - ymmv 
 
/joshua 
 
Carl Jagerski <carll at forcomm.net> wrote: 
>  
> Hi all, 
>  
> Need to route-map next-hop to an ip address 2 routers away (not on same  
> network).  What do I need on the in between routers to pick up the next hop 

> and carry it forward to the final router and subsequently to a server off  
> of that router. 
>  
> TIA 
>  
>  
>  
>  
>  
>  
> Carl Jagerski 
> Network Administrator, Forward Communications 
> carll at forcomm.net 
> 724-378-4490  
>  
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