Troubleshooting Commands
225
Tracing the route to www.novell.com (137.65.2.5)
1 172.16.1.13 0 msec 0 msec 0 msec
2 205.171.48.53 [AS 209] 8 msec 8 msec 12 msec
3 den-core-01.inet.qwest.net (205.171.16.109) [AS 209]
12 msec 8 msec 12 msec
4 den-brdr-01.inet.qwest.net (205.171.16.114) [AS 209]
8 msec 12 msec 12 msec
5 s2-0-0.den-bb1.cerf.net (134.24.112.77) [AS 1740] 8
msec 16 msec 12 msec
6 s10-0-0.slc-bb1.cerf.net (134.24.46.98) [AS 1740]
88 msec 84 msec 84 msec
7 novell-gw.slc-bb1.cerf.net (134.24.116.54) [AS 1740]
84 msec 84 msec 84 msec
8 134.24.116.58 [AS 1740] 84 msec 84 msec 84 msec
9 * * !A
Router_B>
Here, the probe made it to the destination address, but instead of receiv-
ing a TTL expired or port unreachable message, we get an administratively
denied message.
Privileged EXEC Mode
The privileged mode has options that are similar to the ping privileged
mode. The dialog contains several prompts that change the traceroute
settings. The default settings are listed in the brackets. They can be selected
by hitting Enter or changed by substituting a new value. Let's look at the
privileged dialog, and then we can explain each of the prompts:
Router_B#traceroute
Protocol [ip]:
Target IP address: 137.65.2.11
Source address: 172.16.2.9
Numeric display [n]:
Timeout in seconds [3]:
Probe count [3]:
Minimum Time to Live [1]:
Maximum Time to Live [30]:
Copyright ©2000 SYBEX , Inc., Alameda, CA
www.sybex.com