From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Tue Nov 28 2006 - 02:44:22 ART
Michael - I noticed that you are using Rip on this interface. Are you
also redistributing the connected interfaces in to Rip?
Dave Schulz,
Email: dschulz@dpsciences.com
-----Original Message-----
From: Michael Zuo [mailto:mzuo@ixiacom.com]
Sent: Tuesday, November 28, 2006 12:31 AM
To: Schulz, Dave; Cisco certification
Subject: RE: Weird PING problem
Strange. on another interface it can ping itself:
R4(config-if)#do sh run int s0/1
Building configuration...
Current configuration : 103 bytes
!
interface Serial0/1
ip address 139.1.45.4 255.255.255.0
ip rip advertise 3
encapsulation ppp
end
R4(config-if)#do ping 139.1.45.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 139.1.45.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 64/67/76 ms
R4(config-if)#
-----Original Message-----
From: Schulz, Dave [mailto:DSchulz@dpsciences.com]
Sent: Friday, November 24, 2006 10:38 PM
To: Michael Zuo; Cisco certification
Subject: RE: Weird PING problem
Michael -
This is normal for a ppp interface. I believe that you will find that
you can ping the remote side.
Dave Schulz,
Email: dschulz@dpsciences.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Michael Zuo
Sent: Friday, November 24, 2006 11:14 PM
To: Cisco certification
Subject: Weird PING problem
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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