Juniper JUNOSE 11.1.X - COMMAND REFERENCE N TO Z 4-6-2010, Command Reference Manual

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trace mpls vpls
Syntax
trace mpls vpls [ vrf vrfName ] vplsName
[ sender-site-id senderSiteId ] remote-site-id remoteSiteId
[ data-size dataSize ]
[ destination startIpAddress endIpAddress increment
]
[ source address
sourceAddr ]
[ ttl ttlValue ] [ timeout timeOutVal ]
[ reply mode { ipv4-udp | ipv4-udp-with-router-alert } ]
[ reply pad-tlv ] [ reply dscp
trafficClass ]
[ exp-bits bitValue ] [ bottom-label-ttl bottomLabelTtl ] [ detail ]
Release Information
Command introduced in JUNOSe Release 8.0.0.
data-size keyword and dataSize variable added in JUNOSe Release 11.1.0.
Description
Sends MPLS echo request packets with successively higher TTL values to the specified
VPLS instance. Discovers the path MPLS packets follow to the destination. There is
no
no version.
The MPLS echo request packets and echo reply packets created by this command
use the L2 endpoint sub-TLV described in RFC 4379—Detecting Multi-Protocol Label
Switched (MPLS) Data Plane Failures (February 2006).
Options
■
vrfName —Name of the VRF context from which to generate the ping
■
vplsName —Name of a VPLS instance created with the bridge vpls
transport-virtual-router command
■
senderSiteId —Numerical identifier for the site sending the MPLS echo request
packet; must be an unsigned 16-bit integer greater than zero that is unique across
the VPLS domain
■
remoteSiteId —Numerical identifier for the site receiving the MPLS echo request
packet; must be an unsigned 16-bit integer greater than zero that is unique across
the VPLS domain
■
dataSize —Size of the LSP ping message (does not include the UDP, IP, and MPLS
headers of the packet); in the range 0–6400 bytes. The default value is 100 bytes.
You can use this option to enable the pad TLV to be added to the MPLS LSP ping
message (echo request), which results in the future MPLS LSP ping echo requests
to be of the same specified number of bytes.
■
startIpAddress —First IP address within the 127.0.0.0/8 destination range
■
endIpAddress —Last IP address within the 127.0.0.0/8 destination range
■
increment —Number in the range 0–255 that specifies the increment between
addresses in the destination address range
■
sourceAddr —IP address used as the packet source address
■
ttlValue —Hop count specified by setting the time-to-live field in the header, in
the range 1–255; default value is 32; however, by default, the TTL on the inner
trace mpls vpls
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Chapter 8: T Commands