Cisco Systems 1400 series, 1600R manual Show ip ospf sham-links, Defaults, Usage Guidelines

Page 15

OSPF Sham-Link Support for MPLS VPN

show ip ospf sham-links

show ip ospf sham-links

To display information about all sham-links configured for a provider edge (PE) router in the Virtual Private Network (VPN) backbone, use the show ip ospf sham-linkscommand in EXEC mode.

show ip ospf sham-links

Syntax Description This command has no arguments or keywords.

Defaults

No default behavior or values.

Command Modes

Command History

EXEC

ReleaseModification

12.2(8)T

This command was introduced.

 

 

Usage Guidelines

Use this command to display Open Shortest Path First (OSPF) information about the sham-links

 

configured on a PE router.

 

The following example shows sample output from the show ip ospf sham-linkscommand for a PE

Examples

 

router in the VPN backbone:

 

Router1# show ip ospf sham-links

 

Sham Link OSPF_SL0 to address 10.44.0.1 is up

 

Area 120 source address 10.0.0.1

 

Run as demand circuit

 

DoNotAge LSA allowed., Cost of using 1

 

Transmit Delay is 1 sec, State POINT_TO_POINT,

 

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

Hello due in 00:00:09

 

Adjacency State FULL (Hello suppressed)

 

Index 2/2, retransmission queue length 0, number

of retransmission 27

First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)

 

Last retransmission scan length is 0, maximum is

2

Last retransmission scan time is 0 msec, maximum

is 0 msec

Cisco IOS Release 12.2(8)T

15

Image 15 Contents
Feature Overview Using Ospf in PE-CE Router ConnectionsFeature History ReleaseModification Using a Sham-Link to Correct Ospf Backdoor Routing From 0.0.0.0 PE-1#show ip bgp vpnv4 allPE-1#show ip route vrf ospf Sham-Link Configuration Example Vpnv4 all tag begin Sham-Link ExampleFlexible Routing in an Mpls VPN Configuration BenefitsClient Site Connection Across the Mpls VPN Backbone Related Documents Related Features and TechnologiesSupported Platforms RestrictionsDetermining Platform Support Through Cisco Feature Navigator Creating a Sham-Link Configuration TasksSupported Standards, MIBs, and RFCs PrerequisitesVerifying Sham-Link Creation Command PurposeShow ip ospf sham-links Configuration ExamplesCommand Reference Monitoring and Maintaining a Sham-LinkArea sham-link cost Command Modes Command History120 ExamplesRouter1# show ip ospf sham-links DefaultsShow ip ospf sham-links Usage GuidelinesGlossary
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