something more strange.... I can not ping R2 from R1! But I can ping R1 from
R2 without a x25 map. can Chairman Mao will tell my why? :-)

cipher li wrote:
> 
> hi all:
>    i am just trying to understand x25. now i have a c3661 with
> serveral nm-4T modules, so i get a x25 switching, hehe.
>    there is something wondering me, i use x25 route to create
> serveral swith path:
>    x25 route 123456 int ser1/0
>    x25 route 234567 int ser1/2
>    x25 route 987654 int ser1/3
> 
> the int serial1/0, 1/2, 1/3 connect to other three router with
> serail interface R1, R2, R3.
> on the R1:
>    int se0
>    encapsulation x25 dte
>    x25 add 123456 
>    ip  add 192.168.11.1 255.255.255.0
>    x25 map 192.168.11.2 234567 broadcast
>    x25 map 192.168.11.3 987654 broadcast
> 
> on the R2:
>    int se0
>    encapsulation x25 dte
>    x25 add 234567
>    ip  add 192.168.11.2 255.255.255.0
>    x25 map 192.168.11.3 987654 broadcast
> 
> U see, the R2 has no x25 map command to map the R1's ip add to
> x25 add. But something interesting is that, u can ping the R1
> from R2! what's the matter it is?
> 
> thx for ur attention
> 




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