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Pinging Layer 2 Circuits
Enter the ping mpls l2circuit command with the following syntax. Table 108 describes the ping
mpls l2circuit command options.
user@host> ping mpls l2circuit (interface interface-name | virtual-circuit neighbor prefix-name
virtual-circuit-id) <exp forwarding-class>
<count number> <source source-address> <detail>
To quit the ping mpls l2circuit command, press Ctrl-C.
Alternatively, you can use the J-Web interface. (See Checking MPLS
Connections from the J-Web Interface.)
Table 108: CLI ping mpls l2circuit Command Options
|
Option
|
Description
|
|
l2circuit interface interface-name
|
Sends ping requests out the specified interface configured for the Layer
2 circuit on the outbound PE router.
|
|
l2circuit virtual-circuit neighbor prefix-name virtual-circuit-id
|
Pings on a combination of the IPv4 prefix and the virtual circuit identifier
on the outbound PE router, testing the integrity of the Layer 2 circuit between
the inbound and outbound PE routers.
|
|
exp forwarding-class
|
(Optional) Specifies the value of the forwarding class to be used in
the MPLS ping packets.
|
|
countnumber
|
(Optional) Limits the number of ping requests to send. Specify a count
from 0 through 1,000,000. The default value is 5.
If you do not specify a count, ping requests are continuously sent until you
press Ctrl-C.
|
|
source source-address
|
(Optional) Uses the source address that you specify, in the ping request
packet.
|
|
detail
|
(Optional) Displays detailed output about the echo requests sent and
received. Detailed output includes the MPLS labels used for each request and
the return codes for each request.
|
Following is sample output from a ping mpls l2circuit command:
user@host> ping mpls l2circuit interface fe-1/0/0.0
Request for seq 1, to interface 69, labels <100000, 100208>
Reply for seq 1, return code: Egress-ok, time: 0.439 ms
The fields in the display are the same as those displayed by the J-Web ping
MPLS diagnostic tool. For information, see Ping MPLS Results and Output.
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