From: Mike Taylor (mike.taylor@xxxxxxxx)
Date: Fri May 31 2002 - 02:29:21 GMT-3
Hi everyone,
I'm having troubles pinging my local ISDN interfaces. I figured it would be
the same issue as pinging a local frame relay interface, and added dialer map
statements to the local IP address on both ends, but I still get encapsulation
failed when I issue the pings. Here are the relevant portions of my configs:
hostname r5
interface BRI0
ip address 133.7.25.5 255.255.255.0
encapsulation ppp
ip ospf cost 4000
ip ospf demand-circuit
dialer idle-timeout 45
dialer map ip 133.7.25.2 name r2 broadcast 8358662
dialer map ip 133.7.25.5 name r5
dialer load-threshold 50 either
dialer-group 1
isdn switch-type basic-dms100
isdn spid1 0835866101
isdn spid2 0835866301
no peer neighbor-route
ppp authentication chap
ppp multilink
hostname r2
interface BRI0
ip address 133.7.25.2 255.255.255.0
encapsulation ppp
ip ospf cost 4000
dialer map ip 133.7.25.5 name r5 broadcast
dialer map ip 133.7.25.2 name r2
isdn switch-type basic-dms100
isdn spid1 0835866201
isdn spid2 0835866401
no peer neighbor-route
ppp authentication chap
ppp multilink
And here's some debug output from r5:
r5#ping 133.7.25.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 133.7.25.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 44/44/44 ms
r5#
22:37:10: IP: s=133.7.25.5 (local), d=133.7.25.2 (BRI0), len 100, sending
22:37:10: IP: s=133.7.25.2 (BRI0), d=133.7.25.5 (BRI0), len 100, rcvd 3
22:37:10: IP: s=133.7.25.5 (local), d=133.7.25.2 (BRI0), len 100, sending
22:37:10: IP: s=133.7.25.2 (BRI0), d=133.7.25.5 (BRI0), len 100, rcvd 3
22:37:10: IP: s=133.7.25.5 (local), d=133.7.25.2 (BRI0), len 100, sending
22:37:10: IP: s=133.7.25.2 (BRI0), d=133.7.25.5 (BRI0), len 100, rcvd 3
22:37:10: IP: s=133.7.25.5 (local), d=133.7.25.2 (BRI0), len 100, sending
22:37:10: IP: s=133.7.25.2 (BRI0), d=133.7.25.5 (BRI0), len 100, rcvd 3
22:37:10: IP: s=133.7.25.5 (local), d=133.7.25.2 (BRI0), len 100, sending
22:37:10: IP: s=133.7.25.2 (BRI0), d=133.7.25.5 (BRI0), len 100, rcvd 3
r5#ping 133.7.25.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 133.7.25.5, timeout is 2 seconds:
22:37:15: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100, sending
22:37:15: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100,
encapsulation
failed.
22:37:17: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100, sending
22:37:17: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100,
encapsulation
failed.
22:37:19: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100, sending
22:37:19: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100,
encapsulation
failed.
22:37:21: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100, sending
22:37:21: IP: s=133.7.25.5 (local), d=133.7.25.5 (BRI0), len 100,
encapsulation
failed
Is there some other trick to this I'm unaware of? I've done some pretty
extensive searching, and have come up with no answers. FYI....this is part of
Solie's Unnamed lab. Upon review of the lab answers, I don't see how their
configs are fundamentally any different than mine, and in fact, they don't
have any dialer maps to the local address. It looks as if even their configs
wouldn't do what they're asking me to do.
Help!
Thanks,
Mike
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