HP FlexFabric 12500 Command Reference Manual page 150

Syntax
tracert mpls [ -a source-ip | -exp exp-value | -h ttl-value | -r reply-mode | -rtos tos-value | -t time-out |
-v | fec-check ] * ipv4 dest-addr mask-length [ destination start-address [ end-address
[ address-increment ] ] ]
Views
Any view
Predefined user roles
network-admin
mdc-admin
Parameters
-a source-ip: Specifies the source address for MPLS echo request packets. If you do not specify this option,
the command uses the primary IP address of the outgoing interface as the source address for MPLS echo
requests.
-exp exp-value: Specifies the EXP value for MPLS echo request packets, in the range of 0 to 7. The default
is 0.
-h ttl-value: Specifies the maximum TTL value for MPLS echo request packets (the maximum number of
hops to be inspected). The value range for the ttl-value argument is 1 to 255, and the default is 30.
-r reply-mode: Specifies the reply mode of the receiver in response to MPLS echo request packets. The
reply-mode argument can be 1, 2, or 3. 1 means "Do not reply," 2 means "Reply by using a UDP
packet," and 3 means "reply by using a UDP packet that carries the Router Alert option." The default is
2.
-rtos tos-value: Specifies the ToS value in the IP header of an MPLS echo reply packet. The value range
is 0 to 7, and the default value is 6.
-t time-out: Specifies the timeout interval for the reply to an MPLS echo request. The value range is 0 to
65535 milliseconds, and the default is 2000 milliseconds.
-v: Displays detailed reply information. If you do not specify this keyword, the command displays brief
reply information.
fec-check: Checks the FEC stack at transit nodes.
dest-addr mask-length: Specifies an FEC by an IPv4 destination address and a mask length. The value
range for the mask-length argument is 0 to 32.
destination: Specifies the destination address in the IP header of MPLS echo requests. The default is
127.0.0.1.
start-address: Specifies the destination address or the start destination address. This address must be an
address on subnet 127.0.0.0/8—a local loopback address. If the start-address argument is specified
without the end-address argument, the start-address is the destination address in the IP header. If you
specify both the start-address argument and the end-address argument, you specify a range of
destination addresses and the destination addresses increase in turn by the address-increment, starting
from the start-address to the end-address. The command performs a traceroute for each of the destination
addresses.
end-address: Specifies the end destination address. This address must be an address on subnet
127.0.0.0/8—a local loopback address.
address-increment: Specifies the increment value by which the destination address in the IP header
increases in turn. The value range is 1 to 16777215 and the default value is 1.
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