12
destination-ip-addr-header
: Specifies the destination address in the IP header of the MPLS echo request
messages. It can be any address on segment 127.0.0.0/8—any local loopback address.
Description
Use the
tracert lsp ipv4
command to locate errors on the LSPs for a FEC.
Examples
# Locate an error along the LSP to 3.3.3.9/32.
<Sysname> tracert lsp ipv4 3.3.3.9 32
LSP Trace Route FEC: LDP IPV4 PREFIX 3.3.3.9/32 , press CTRL_C to break.
TTL Replier Time Type Downstream
0 Ingress 10.4.5.1/[1025]
1 10.4.5.1 1 Transit 100.3.4.1/[1024]
2 100.1.4.2 63 Transit 100.1.2.1/[3]
3 100.1.2.1 129 Egress
System debugging commands
debugging
Syntax
debugging
module-name
[
option
]
undo
debugging
{
all
|
module-name
[
option
] }
View
User view
Default level
1: Monitor level
Parameters
all
: All debugging functions.
timeout
time
: Specifies the timeout time for the
debugging all
command. When all debugging is enabled,
the system automatically executes the
undo debugging all
command after the
time.
The value is in the
range of 1 to 1440, in minutes.
module-name
: Module name, such as arp or device. To display the current module name, use the
debugging ?
command.
option
: The debugging option for a specific module. Different modules have different debugging options
in terms of their number and content. To display the currently supported options, use the
debugging
module-name
?
command.
Description
Use the
debugging
command to enable the debugging of a specific module.
Use the
undo debugging
command to disable the debugging of a specific module.
By default, debugging functions of all modules are disabled.