Hi Tim,
This is typical behavior when using Frame Relay in a main serial interface.
This is because unless you are using a point a point sub interface the
router relys on map statements or classes to map layer 3 ip addresses to
layer 2 DLCIs in the frame cloud -- even though you have given the
interface its ip with 'ip address'. You can get around it at follows :
Scenario 1:
interface serial 0
ip address 10.1.1.1 255.255.255.0
encap frame
frame map ip 10.1.1.1 100 <-- Will allow you
to ping yourself
frame map ip 10.1.1.2 100 <-- Will allow you
to ping your neighbor
or
interface serial 0
no ip address
encap frame
!
int ser 0.1 point-to-point
ip address 10.1.1.1 255.255.255.252 <-- Hey its point to
point, save yerself some IP addresses
frame interface-dlci 100
Cheers
jim.
At 11:27 PM 12/03/2000 -0800, Tim Ross wrote:
>I have been upgrading a couple 3104 routers (2 serial port, 1 ether, 1
>BRI) and got them up and running on 11.1 IOS as DTE devices into an AGS+
>operating as a frame-switch. The two 3104's can ping each other, but can't
>ping its own serial port. This is the first time that I have had this
>happen. I can ping a remote serial port, but not the local serial port.
>Can someone explain why this happens? Since this, I have upgraded the (2)
>3104's to IOS ver 12.0.9 and am having worse problems, but am still
>curious about the local router unable to ping its own ser0 port.
>
>Thanks,
>Tim
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