display mpls te tunnel-interface last-error

Function

The display mpls te tunnel-interface last-error command displays the last errors of a tunnel interface on the local node.

Format

display mpls te tunnel-interface last-error [ tunnel-name ]

Parameters

Parameter	Description	Value
tunnel-name	Displays the last errors of a specified tunnel interface.	The value is an existing tunnel name.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

You can run the display mpls te tunnel-interface last-error command on the ingress to view the error of a local node or the error carried in an RSVP PathErr message sent by a downstream node. The errors can be as follows:

CSPF computation fails.
RSVP times out.
One or more LSPs are deleted during RSVP GR smooth.
One or more LSPs are deleted during RSVP aging.
RSVP GR fails to be triggered.

Precautions

The display mpls te tunnel-interface last-error command shows the last 20 recorded errors of each TE tunnel and LSP on which the errors occur, including errors about the primary CR-LSP, modified LSP, and backup CR-LSP.

If an RSVP PathErr message sent by a downstream node carries the error information, the ErroInfo field in the command output shows the IP address of the faulty downstream node and the cause of the error. If an error occurs on the ingress, the command output only shows the cause of the error.

Example

# Display information about the last errors of Tunnel1.

<HUAWEI> display mpls te tunnel-interface last-error Tunnel1
  Tunnel name: Tunnel1


    Error No.  : 1
    LSP Type   : Hot-Standby LSP             LSP ID     : 10.1.1.9:300:32776
    Error Code : 0x3e8                       Occur Time : 2013/01/07 14:42:23+00:00
    Error Info : Link 172.20.1.2 is excluded, IGP: ISIS Process-ID: 1 Area: Level
-1.

    Error No.  : 2
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x5080007                   Occur Time : 2013/01/07 11:13:45+00:00
    Error Info : error node = 172.16.1.1   error lsrid = 10.1.1.9
                 BKGD error SHUTDOWN IF

    Error No.  : 3
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x3e8                       Occur Time : 2013/01/07 09:55:06+00:00
    Error Info : Cannot find the same IGP type and process ID for 10.1.1.9 and 17
10.1.1.2 (inter area scenario).

    Error No.  : 4
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x3e8                       Occur Time : 2013/01/07 09:43:06+00:00
    Error Info : Cspf failed to calculate a path for Tunnel.

    Error No.  : 5
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x3e8                       Occur Time : 2013/01/07 08:43:06+00:00
    Error Info:  error node = 172.16.1.1   error lsrid = 10.1.1.9
    Routing Problem: No route available toward destination.

    Error No.  : 6
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x180001                    Occur Time : 2013/01/07 07:47:19+00:00
    Error Info : error node = 172.16.1.2   error lsrid = 0.0.0.0
                 Routing Problem Bad EXPLICIT_ROUTE object

    Error No.  : 7
    LSP Type   : Primary LSP                 LSP ID     : 10.1.1.9:300:1
    Error Code : 0x5080002                   Occur Time : 2013/01/6 20:03:05+00:00
    Error Info : error node = 0.0.0.0    error lsrid = 10.1.1.9
                 BKGD error TEAR ALL LSP

**Table 1** Description of the display mpls te tunnel-interface last-error command output
Item	Description
Tunnel name	Name of an MPLS TE tunnel.
Error No	Number of errors.
LSP Type	Type of LSP: Modified LSP: indicates the LSP which is in modified state. Primary LSP: indicates the primary LSP. Backup LSP: indicates the backup LSP. Hot-Standby LSP: indicates the hot-standby LSP.
LSP ID	LSP ID, uniquely identified in the form of Ingress-LSR-ID:Tunnel-ID:Local-LSP-ID.
Error Code	Returned code, which specifies a unique type of error. The value is an integer in hexadecimal notation. For specific error information, see the Error Info field.
Occur Time	Time when an error occurred.
Error Info	Error description.
error node	Node on which an error occurs.
error lsrid	LSR ID of the node on which an error occurred.
Routing Problem	Error information carried in a received RSVP PathErr message: No route available toward destination: indicates that no route to the destination address of the tunnel is available. Bad EXPLICIT_ROUTE object: indicates that an unknown EXPLICIT_ROUTE object is received. bad strict node: indicates that a certain node cannot be found on the strict explicit path.
Cspf failed to calculate a path for Tunnel	CSPF computation failure.