73
Views
Any operation view
Predefined user roles
network-admin
Parameters
value: Specifies the ToS value in the range of 0 to 255.
Examples
# Set the ToS value to 1 in the IP header for probe packets.
<Sysname> system-view
[Sysname] nqa entry admin test
[Sysname-nqa-admin-test] type icmp-echo
[Sysname-nqa-admin-test-icmp-echo] tos 1
ttl
Use ttl to set the maximum number of hops that the probe packets can traverse.
Use undo ttl to restore the default.
Syntax
ttl value
undo ttl
Default
The maximum number of hops is 30 for probe packets of the UDP tracert operation, and is 20 for probe
packets of other types of operations.
Views
DLSw/DNS/FTP/HTTP/SNMP/TCP/voice operation view
ICMP/UDP echo operation view
UDP jitter operation view
UDP tracert operation view
Predefined user roles
network-admin
Parameters
value: Specifies the maximum number of hops that the probe packets can traverse, in the range of 1 to
255.
Usage guidelines
The route-option bypass-route command sets the TTL to 1 for probe packets. The ttl command does not
take effect.
For a successful UDP tracert operation, make sure the maximum number of hops is not smaller than the
value set in the init-ttl command.
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