Table Of Contents

MPLS VPN Debug Commands on
Cisco IOS XR Software

debug l2vpn ac

debug l2vpn atom

debug l2vpn edm

debug l2vpn errors

debug l2vpn filter

debug l2vpn forwarding

debug l2vpn fsm

debug l2vpn l2fwd-api

debug l2vpn l2tp

debug l2vpn

debug l2vpn mgmt-table

debug l2vpn mib-client

debug l2vpn mib-server

debug l2vpn policy

debug l2vpn pw-class

debug l2vpn pw-table

debug l2vpn sss

debug l2vpn xc

debug mpls vpn

MPLS VPN Debug Commands on
Cisco IOS XR Software

---

This chapter describes the commands used to debug MPLS Virtual Private Networks (VPNs) on Cisco IOS XR software.

debug l2vpn ac

To display debugging information about an L2VPN attachement circuit or component, use the debug l2vpn ac command in EXEC mode. To disable debugging, use the no form of the command.

debug l2vpn ac [api | fsm | manager | table | transport] [location node-id]

no debug l2vpn ac [api | fsm | manager | table | transport] [location node-id]

Syntax Description

api	Displays information about the L2VPN attachment circuit API.
fsm	Displays information about the L2VPN attachment circuit finite state machine.
manager	Displays information about the L2VPN attachment circuit manager.
table	Displays information about the L2VPN attachment circuit table.
transport	Displays information about the L2VPN attachment circuit transport.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays all types of attachement circuit (or component) messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to debug an attachment circuit:

RP/0/RP0/CPU0:router# debug l2vpn ac fsm location 0/1/0

debug l2vpn atom

To display debugging information about Any Transport over MPLS (AToM) , use the debug l2vpn atom command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn atom [api | fsm] [location node-id]

no debug l2vpn atom [api | fsm] [location node-id]

Syntax Description

api	Displays information about the AToM API.
fsm	Displays information about the AToM finite state machine (FSM).
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays all types of AToM messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to debug an AToM FSM:

RP/0/RP0/CPU0:router# debug l2vpn atom fsm location 0/1/0

debug l2vpn edm

To display debugging information about L2VPN external data manager (EDM), use the debug l2vpn edm command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn edm [location node-id]

no debug l2vpn edm [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no location is specified, debugging messages are displayed for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to debug L2VPN EDM:

RP/0/RP0/CPU0:router# debug l2vpn edm location 0/1/0

debug l2vpn errors

To display debugging information about L2VPN errors, use the debug l2vpn errors command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn errors [location node-id]

no debug l2vpn errors [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no location is specified, debugging messages are displayed for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to debug L2VPN errors:

RP/0/RP0/CPU0:router# debug l2vpn errors location 0/1/0

debug l2vpn filter

To display debugging information about the L2VPN filter, use the debug l2vpn filter command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn filter [interface type instance | peer ip address | session session-id]

no debug l2vpn filter [interface type instance | peer ip address | session session-id]

Syntax Description

interface	Enter to select an interface type.
type	Interface type. For more information, use the question mark (?) online help function.
instance	Either a physical interface instance or a virtual interface instance as follows: •Physical interface instance. Naming notation is rack/slot/module/port and a slash between values is required as part of the notation. –rack: Chassis number of the rack. –slot: Physical slot number of the modular services card or line card. –module: Module number. A physical layer interface module (PLIM) is always 0. –port: Physical port number of the interface. Note In references to a Management Ethernet interface located on a route processor card, the physical slot number is alphanumeric (RP0 or RP1) and the module is CPU0. Example: interface MgmtEth0/RP1/CPU0/0. •Virtual interface instance. Number range varies depending on interface type. For more information about the syntax for the router, use the question mark (?) online help function.
peer ip address	Specifies an L2VPN filter peer IP address.
session session-id	Specifies an L2VPN filter session ID. Range is 1 to 1023.

Defaults

When no location is specified, debugging messages are displayed for the user's current location.

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to debug L2VPN filter information:

RP/0/RP0/CPU0:router# debug l2vpn filter peer 10.1.1.1

The following example shows how to cause xconnect debugging messages:

RP/0/RP0/CPU0:router# debug l2vpn filter interface GigE0/1/0/2

RP/0/RP0/CPU0:router#debug l2vpn xconnect

The following command shows how to suppress all L2TP debug messages which contain a session ID other than 12:

RP/0/RP0/CPU0:router# debug l2vpn filter session 12

RP/0/RP0/CPU0:router#debug l2vpn l2tp

debug l2vpn forwarding

To display debugging information about L2VPN forwarding, use the debug l2vpn forwarding command. To disable debugging, use the no form of this command.

debug l2vpn forwarding [aib | dll | drops | edm | ens | errors | event | init | netio | packet | platform | stats | table] [location node-id]

no debug l2vpn forwarding [aib | dll | drops | edm | ens | errors | event | init | netio | packet | platform | stats | table] [location node-id]

Syntax Description

aib	Displays information about application interface block (AIB) interactions.
dll	Displays information about shm and accessor dll.
drops	Displays information about drops.
edm	Displays information about EDM.
ens	Displays information about ENS.
errors	Displays information about L2VPN forwarding errors.
event	Displays information about L2VPN forwarding events.
init	Displays information about init.
netio	Displays information about Netio.
packet	Displays information about L2VPN forwarding packets.
platform	Displays information about L2VPN forwarding platforms.
stats	Displays information about L2VPN forwarding stats.
table	Displays information about the L2VPN forwarding table.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no location is specified, debugging messages are displayed for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about L2VPN forwarding :

RP/0/RP0/CPU0:router# debug l2vpn forwarding edm location 0/1/0

debug l2vpn fsm

To display debugging information about generic FSM, use the debug l2vpn fsm command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn fsm [location node-id]

no debug l2vpn fsm [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

No default behavior or values

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about generic FSM:

RP/0/RP0/CPU0:router# debug l2vpn fsm location 1/1/1

debug l2vpn l2fwd-api

To display debugging information about the L2VPN forwarding API, use the debug l2vpn l2fwd-api command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn l2fwd-api [errors | location node-id]

no debug l2vpn l2fwd-api [errors | location node-id]

Syntax Description

errors	Displays error debugging messages from the forwarding API.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no parameters are specified, all forwarding API debugging messages are displayed for the user's current location.

Command Modes

EXEC

Command History

Release	Modification
Release 3.6.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance.For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display Forwarding API error messages for card 0/3/CPU0:

RP/0/RP0/CPU0:router# debug l2vpn l2fwd-api errors location 0/3/cpu0

debug l2vpn l2tp

To display debugging information about L2VPN L2 transmission protocol (L2TP), use th e debug l2vpn l2tp command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn l2tp [api | fsm] [location node-id]

no debug l2vpn l2tp [api | fsm] [location node-id]

Syntax Description

api	Displays information relevant to L2TPv3 API.
fsm	Displays information relevant to L2TPv3 FSM.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

No default behavior or values

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about L2VPN L2TP:

RP/0/RP0/CPU0:router# debug l2vpn l2tp fsm location 0/1/0

debug l2vpn

To display all debugging information about L2VPN, use the debug l2vpn command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn [location node-id]

no debug l2vpn [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information on a specified location:

RP/0/RP0/CPU0:router# debug l2vpn location 0/1/0

debug l2vpn mgmt-table

To display debugging information about the L2VPN network management table, use the debug l2vpn mgmt-table command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn mgmt-table [location node-id]

no debug l2vpn mgmt-table [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about the L2VPN network management table:

RP/0/RP0/CPU0:router# debug l2vpn mgmt-mgmt location 0/1/1

debug l2vpn mib-client

To display debugging information about the L2VPN MIB client, use the debug l2vpn mib-client command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn mib-client [cfgmgr | checkpoint | dbase | edm | errors | start | traps]

no debug l2vpn mib-client [cfgmgr | checkpoint | dbase | edm | errors | start | traps]

Syntax Description

cfg	Displays information about L2VPN config manager calls.
checkpoint	Displays information about L2VPN checkpoint.
dbase	Displays information about L2VPN database calls.
edm	Displays information about L2VPN edm calls.
errors	Displays information about L2VPN MIB client errors.
start	Displays information about the L2VPN MIB client process initialization.
traps	Displays information about L2VPN MIB client traps.

Defaults

No default behavior or values

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about L2VPN MIB client errors:

RP/0/RP0/CPU0:router# debug l2vpn mib-client errors

debug l2vpn mib-server

To display debugging information about the L2VPN MIB server, use the debug l2vpn mib-server command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn mib-server [location node-id]

no debug l2vpn mib-server [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about the L2VPN MIB server:

RP/0/RP0/CPU0:router# debug l2vpn mib-server location 1/1/1

debug l2vpn policy

To display debugging information about the L2VPN policy engine, use the debug l2vpn policy command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn policy [location node-id]

no debug l2vpn policy [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about the L2VPN policy engine:

RP/0/RP0/CPU0:router# debug l2vpn policy location 1/1/1

debug l2vpn pw-class

To display debugging information about an L2VPN pseudowire class, use the debug l2vpn pw-class command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn pw-class [location node-id]

no debug l2vpn pw-class [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about an L2VPN pseudowire class on a specific node:

RP/0/RP0/CPU0:router# debug l2vpn pw-class location 1/1/1

debug l2vpn pw-table

To display debugging information about an L2VPN pseudowire table, use the debug l2vpn pw-table command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn pw-table [location node-id]

no debug l2vpn pw-table [location node-id]

Syntax Description

location node-id

(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display debugging information about an L2VPN pseudowire table on a specific node:

RP/0/RP0/CPU0:router# debug l2vpn pw-table location 0/1/1

debug l2vpn sss

To display debugging information about the L2VPN stable snap shot (SSS), use the debug l2vpn sss command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn sss [fsm | sip] [location node-id]

no debug l2vpn sss [fsm | sip] [location node-id]

Syntax Description

fsm	Displays information about L2VPN finite state machine (FSM).
sip	Displays information about L2VPN Session Initiation Protocol (SIP), an application-layer control signaling protocol.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read, write

Examples

The following example shows how to display information about the L2VPN SSS:

RP/0/RP0/CPU0:router# debug l2vpn sss fsm location 1/1/1

debug l2vpn xc

To display debugging information about the L2VPN cross-connects, use the debug l2vpn xc command in EXEC mode. To disable debugging, use the no form of this command.

debug l2vpn xc [table] [location node-id]

no debug l2vpn xc [table] [location node-id]

Syntax Description

table	Displays information about the L2VPN cross-connect table.
location node-id	(Optional) Displays debug information for a specified location. The node-id argument is entered in the rack/slot/module notation.

Defaults

When no additional parameters are specified, this command displays messages for the user's current location

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
l2vpn	read

Examples

The following example shows how to display information about an L2VPN cross-connect:

RP/0/RP0/CPU0:router# debug l2vpn xc location 1/1/1

debug mpls vpn

To display debugging information about MPLS VPNs, use the debug mpls vpn command in EXEC mode. To disable debugging, use the no form of this command.

debug mpls vpn {cfgmgr | chkpt | dbase | edm | errors | ital | rib | rsi | start | traps}

no debug mpls vpn {cfgmgr | chkpt | dbase | edm | errors | ital | rib | rsi | start | traps}

Syntax Description

cfgmgr	(Optional) Displays information about Config manager calls.
chkpt	(Optional) Displays information related to the checkpoint infrastructure.
dbase	(Optional) Display infomation about database calls.
edm	(Optional) Displays information about External Data Manager (EDM).
errors	(Optional) Displays errors and unexpected events.
ital	(Optional) Displays infomation about ITAL calls.
rib	(Optional) Displays infomation about RIB calls.
rsi	(Optional) Display infomation about RSI calls.
start	(Optional) Displays infomation about process initialization.
traps	(Optional) Displays infomation about SNMP traps.

Defaults

No default behavior or values

Command Modes

EXEC

Command History

Release	Modification
Release 3.4.0	This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0	No modification.
Release 3.6.0	No modification.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.

Task ID

Task ID	Operations
mpls-te	read
mpls-ldp	read
mpls-static	read
ouni	read

Examples

The following example shows how to use this command to debug vpn processes, such as traps:

RP/0/RP0/CPU0:router# debug mpls vpn traps