RE: could ping but couldn't traceroute

From: jatinder.p.singh@bt.com
Date: Mon Aug 04 2003 - 06:51:22 GMT-3


Tom,

If you have the firewall after that hop due to that. On firewall if ICMP is
allowed and trace is not allowed.

Regards

J P

-----Original Message-----
From: Tom Young [mailto:gitsyoung@yahoo.co.jp]
Sent: 04 August 2003 10:28
To: ccielab@groupstudy.com
Subject: could ping but couldn't traceroute

Hi, group

    A very strange question, for a global address, I
could ping it, but couldn't traceroute it. WHY ?
   I really confused.

Thanks alot

User Access Verification

Password:
office01>en
Password:
office01#trace
office01#traceroute 210.178.28.2

Type escape sequence to abort.
Tracing the route to 210.158.218.2

  1 202.248.86.129 0 msec 0 msec 4 msec
  2 133.160.0.1 12 msec 8 msec 12 msec
  3 133.160.239.34 8 msec 12 msec 8 msec
  4 133.160.191.133 20 msec 20 msec 20 msec
  5 133.160.224.51 24 msec 16 msec 12 msec
  6 133.160.30.32 16 msec 20 msec 20 msec
  7 133.160.240.254 16 msec 16 msec 16 msec
  8 133.160.12.74 21 msec 16 msec 12 msec
  9 210.171.224.49 12 msec 12 msec 12 msec
 10 158.205.192.197 16 msec 12 msec 12 msec
 11 158.205.192.150 16 msec 20 msec 16 msec
 12 158.205.224.46 16 msec 16 msec 16 msec
 13 158.205.235.69 16 msec 16 msec 16 msec
 14 158.205.200.74 36 msec 36 msec 28 msec
 15 * * *
 16 * * *
 17 * * *
 18 * * *
 19 * * *
 20 * * *
 21 * * *
 22 * * *
 23 * * *
 24 * * *
 25 * * *
 26 * * *
 27 * * *
 28 * * *
 29 * * *
 30 * * *
office01#ping 210.178.28.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 210.158.218.2, timeout
is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max
= 12/14/16 ms
office01#



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