Command Reference Guide

3Com Router 5000 Family and Router 6000 Family ttl ● 421
Command Reference
ttl
Purpose Use the ttl command to configure TTL of ICMP test packets.
Use the undo ttl command to restore the default TTL of ICMP test packets.
Syntax ttl number
undo ttl
Parameters number
Time to live (TTL) value or lifetime of HWPing ICMP test
packets. Valid values are 1 to 255.
If no value is specified, the default is 255.
Example Set the TTL of HWPing ICMP test packets to 16.
[Router-administrator-icmp] ttl 16
View This command can be used in the following views:
■ HWPing Test Group view
Description TTL is actually a hop count limit on how far a test packet can travel on a network. In a
ping command, it is defined using the argument “-h”.
This command applies to all types of tests except for DHCP test.
The sendpacket passroute command voids the ttl command.