Description

This article provides configuration to change BGP-LS Identifier and instance identifier

Symptoms

From link-state distribute using BGP , BGP-LS identifier and instance identifier could be configured

Protocol-ID—NLRI originates with the following protocol values:

 

ISIS-L1

ISIS-L2

OSPF

SPRING-TE

 

Identifier—This value is configurable. By default, the identifier value is set to 0.

 

Local/Remote node descriptor—These include:

 

Autonomous system

BGP-LS Identifier—This value is configurable. By default, the BGP-LS identifier value is set to 0

Area-ID

IGP router-ID

 

 

 

Solution

To configure the Identifier/BGP-LS Identifier, use following command:

 

lab@Router# set protocols mpls traffic-engineering database import ?

Possible completions:

+ apply-groups     Groups from which to inherit configuration data

 bgp-ls-identifier  BGP-TE domain identifier

 identifier      BGP-TE identifier (2..18446744073709551615)

 ipv6         Import ipv6 addresses

> l3-unicast-topology Download L3-Unicast topology into RIB

+ policy        Configure import policy

 

For example:

lab@Router# run show route table lsdist.0 te-node-iso 0000.0000.0003.00 extensive

 

lsdist.0: 61 destinations, 61 routes (61 active, 0 holddown, 0 hidden)

NODE { ISO:0000.0000.0003.00 ISIS-L2:0 }/1216 (1 entry, 1 announced)

                                                                      |----- identifier is 0

TSI:

Page 0 idx 0, (group ext type External) Type 1 val 0xa2b232c (adv_entry)

  Advertised metrics:

   Nexthop: Self

   AS path: [65000] I

   Communities:

  Advertise: 00000001

Path NODE { ISO:0000.0000.0003.00 ISIS-L2:0 }

Vector len 4. Val: 0

    *IS-IS Preference: 18

        Level: 2

        Next hop type: Fictitious, Next hop index: 0

        Address: 0x7b3f6a4

        Next-hop reference count: 33, key opaque handle: 0x0, non-key opaque handle: 0x0

        Next hop:

        State: <Active NotInstall>

        Age: 11

        Validation State: unverified

        Task: IS-IS

        Announcement bits (1): 0-BGP_RT_Background

        AS path: I

        IPv4 Router-ids:

         1.1.1.3

        Area border router: No

        External router: No

        Attached: No

        Overload: No

        Hostname: r3_re

        Area membership:

         49 00 01

        SPRING-Capabilities:

         - SRGB block [Start: 100000, Range: 65535, Flags: 0xc0]

        SPRING-Algorithms:

         - Algo: 0

         - Algo: 1

        SRV6 Capable: - Flags: 0

        SRV6 Node MSD:

         - Type: 41, Value: 6

         - Type: 42, Value: 7

         - Type: 43, Value: 5

         - Type: 44, Value: 6

         - Type: 45, Value: 6

        Thread: junos-main

 

lab@Router# set protocols mpls traffic-engineering database import bgp-ls-identifier 10

lab@Router# set protocols mpls traffic-engineering database import identifier 2

 

lab@Router# run show route table lsdist.0 te-node-iso 0000.0000.0003.00 extensive

 

lsdist.0: 61 destinations, 61 routes (61 active, 0 holddown, 0 hidden)

NODE { BGP-LS ID:10 ISO:0000.0000.0003.00 ISIS-L2:2 }/1216 (1 entry, 1 announced)

                                  |                                                           |--- instance identifier changed to 2

                                  |-------------------------------------------------- bgp-ls identifier is 10

TSI:

Page 0 idx 0, (group ext type External) Type 1 val 0x9f484d8 (adv_entry)

  Advertised metrics:

   Nexthop: Self

   AS path: [65000] I

   Communities:

  Advertise: 00000001

Path NODE { BGP-LS ID:10 ISO:0000.0000.0003.00 ISIS-L2:2 }

Vector len 4. Val: 0

    *IS-IS Preference: 18

        Level: 2

        Next hop type: Fictitious, Next hop index: 0

        Address: 0x7b3f6a4

        Next-hop reference count: 33, key opaque handle: 0x0, non-key opaque handle: 0x0

        Next hop:

        State: <Active NotInstall>

        Age: 6

        Validation State: unverified

        Task: IS-IS

        Announcement bits (1): 0-BGP_RT_Background

        AS path: I

        IPv4 Router-ids:

         1.1.1.3

        Area border router: No

        External router: No

        Attached: No

        Overload: No

        Hostname: r3_re

 

Modification History

2024-03-07 : Article Created