Juniper Networks J-Series manual Pinging Layer 2 VPNs, CLI ping mpls l2vpn Command Options

Chapter 12: Using Services Router Diagnostic Tools

Pinging Layer 2 VPNs

Enter the ping mpls l2vpn command with the following syntax. Table 119 on page 235 describes the ping mpls l2vpn command options.

user@host> ping mpls l2vpn interface interface-nameinstance l2vpn-instance-namelocal-site-id local-site-id-numberremote-site-id remote-site-id-number<bottom-label-ttl> <exp forwarding-class> <count number> <source source-address>

<detail>

To quit the ping mpls l2vpn command, press Ctrl-C.

Alternatively, you can use the J-Web interface. (See “Checking MPLS Connections from the J-Web Interface” on page 219.)

Table 119: CLI ping mpls l2vpn Command Options

Option

l2vpn interface

interface-name

l2vpn instance

l2vpn-instance-name

local-site-id

local-site-id-number

remote-site-id

remote-site-id-number

bottom-label-ttl

exp forwarding-class

countnumber

source source-address

detail

Description

Sends ping requests out the specified interface configured for the Layer 2 VPN on the outbound (egress) PE router.

Pings on a combination of the Layer 2 VPN routing instance name, the local site identifier, and the remote site identifier, testing the integrity of the Layer 2 VPN circuit (specified by the identifiers) between the inbound (ingress) and outbound PE routers.

(Optional) Displays the time-to-live (TTL) value for the bottom label in the MPLS label stack.

(Optional) Specifies the value of the forwarding class to be used in the MPLS ping packets.

(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.

(Optional) Uses the source address that you specify, in the ping request packet.

(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 l2vpn command:

user@host> ping mpls l2vpn instance vpn1 remote-site-id 1 local-site-id 2 detail Request for seq 1, to interface 68, labels <800001, 100176>

Reply for seq 1, return code: Egress-ok

Request for seq 2, to interface 68, labels <800001, 100176> Reply for seq 2, return code: Egress-ok

Request for seq 3, to interface 68, labels <800001, 100176> Reply for seq 3, return code: Egress-ok

Request for seq 4, to interface 68, labels <800001, 100176> Reply for seq 4, return code: Egress-ok

Request for seq 5, to interface 68, labels <800001, 100176>

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