Specifications

ping mpls
MP-387
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
• output
• revision
• ttl
Revision Keyword Usage
The revision keyword allows you to issue a ping mpls ipv4, ping mpls pseudowire, or trace mpls
traffic-eng command based on the format of the TLV. Table 12 lists th
e revision option and usage
guidelines for each option.
Examples The following example shows how to use the ping mpls
command to test connectivity of an
IPv4 LDP LSP:
Router# ping mpls ipv4 10.131.191.252/32 repeat 5 exp 5 verbose
Sending 5, 100-byte MPLS Echos to 10.131.191.252, timeout is 2 seconds:
Codes:
'!' - success, 'Q' - request not sent, '.' - timeout,
'L' - labeled output interface, 'B' - unlabeled output interface,
'D' - DS Map mismatch, 'F' - no FEC mapping, 'f' - FEC mismatch,
'M' - malformed request, 'm' - unsupported tlvs, 'N' - no rx label,
'P' - no rx intf label prot, 'p' - premature termination of LSP,
'R' - transit router, 'X' - unknown return code, 'x' - return code 0
Ta b l e 12 Revision Options and Option Usage Guidelines
Revision Option Option Usage Guidelines
1
1
1. If you do not specify a revision keyword, the software uses the latest version.
Not supported in Cisco IOS Release 12.4(11)T or later releases.
Version 1 (draft-ietf-mpls-ping-03).
For a device running Cisco IOS Release 12.0(27)S3 or a later release, you must use
th
e revision 1 k
eyword when you send LSP ping or LSP traceroute commands to
devices running Cisco IOS Release 12.0(27)S1 or 12.0(27)S2.
2 Version 2 functionality was replaced by Version 3 functionality before an image was
r
eleased.
3 Version 3 (draft-ietf-mpls-ping-03).
• For a device implementing Version 3 (Cisco IOS Release 12.0(27)S3 or a later
release), you must use the revision 1 ke
yword when you send the LSP ping or
LSP traceroute command to a device implementing Version 1 (that is, either
Cisc
o IOS Release 12.0(27)S1 or Release 12.0(27)S2).
• A ping mpls pseudowire command does not work with devices running
Cisco IOS Release 12.0(27)S1 or Release 12.0(27)S2.
4
• Version 8 (draft-ietf-mpls-ping-08)—Applicable before Cisco IOS
Release 12.4(11)T. All echo packet’s TLVs are formatted as specified in
Ve
rs ion 8.
• RFC 4379 compliant—Applicable after Cisco IOS Release 12.4(11)T. All echo
packet’s TLVs are formatted as specified in RFC 4379.
This is the recommended version.