From: Michael Zuo (mzuo@ixiacom.com)
Date: Sat Nov 25 2006 - 01:13:42 ART
Hi Group,
I have a serial interface that can not ping itself (see attached), very
strange. Anyone can tell me why? Thanks in advance
R5(config)#do sh run int s0/1
Building configuration...
Current configuration : 158 bytes
!
interface Serial0/1
ip address 156.1.45.5 255.255.255.0
encapsulation ppp
clock rate 64000
ppp authentication chap pap
service-policy output VOIP
end
R5(config)#do ping 156.1.45.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 156.1.45.5, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
R5(config)#do sh int s0/1
Serial0/1 is up, line protocol is up
Hardware is PowerQUICC Serial
Internet address is 156.1.45.5/24
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Open
Open: CDPCP, IPCP, loopback not set
Keepalive set (10 sec)
Last input 00:00:38, output 00:00:05, output hang never
Last clearing of "show interface" counters 00:28:12
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: Class-based queueing
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/2/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 1094 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
761 packets input, 56305 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
2 input errors, 0 CRC, 2 frame, 0 overrun, 0 ignored, 0 abort
755 packets output, 56799 bytes, 0 underruns
0 output errors, 0 collisions, 3 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
R5(config)#do sh run | be policy-map VOIP
policy-map VOIP
class VOIP
priority 64
policy-map BB2Child
class VOIP
priority 64
class ICMP
police 16000
policy-map BB2
class class-default
shape average 2500000
set dscp ef
service-policy BB2Child
policy-map BB3Child
class ICMP
police 16000
policy-map BB3
class class-default
shape average 3000000
set dscp ef
service-policy BB3Child
!
!
R5(config)#
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