Description

 

configure exclusive

set policy-options policy-statement ISIS-TO-TED term 1 from protocol isis

set policy-options policy-statement ISIS-TO-TED term 1 then accept

set policy-options policy-statement ISIS-TO-TED term 2 then reject

set policy-options policy-statement ACCEPT-ALL from family traffic-engineering

set policy-options policy-statement ACCEPT-ALL then accept

set policy-options policy-statement TED-TO-BGP term 1 from family traffic-engineering

set policy-options policy-statement TED-TO-BGP term 1 then next-hop self

set policy-options policy-statement TED-TO-BGP term 1 then accept

set protocols mpls traffic-engineering database import igp-topology bgp-link-state

set protocols mpls traffic-engineering database import policy ISIS-TO-TED

set protocols mpls traffic-engineering database export policy ACCEPT-ALL

set protocols bgp group BGP-LS type internal

set protocols bgp group BGP-LS family traffic-engineering unicast

set protocols bgp group BGP-LS export TED-TO-BGP

set protocols bgp group BGP-LS local-address 10.20.86.38

set protocols bgp group BGP-LS neighbor 10.88.4.18 
set protocols bgp group BGP-LS neighbor 10.88.4.17 
set protocols bgp group BGP-LS neighbor 10.88.4.16 

 

set protocols isis traffic-engineering credibility-protocol-preference
set protocols isis traffic-engineering family inet shortcuts
set protocols isis traffic-engineering family inet6 shortcuts
set protocols isis traffic-engineering family inet6-mpls shortcuts
set protocols isis traffic-engineering family inet-mpls shortcuts
set protocols isis traffic-engineering multipath lsp-equal-cost

 

Symptoms

 

lab@123> show bgp summary group BGP-LS 

Threading mode: BGP I/O

Default eBGP mode: advertise - accept, receive - accept

Groups: 16 Peers: 313 Down peers: 4

Unconfigured peers: 1

Table     Tot Paths Act Paths Suppressed  History Damp State  Pending

inet.0        

        14060644  6355479     0     0     0     0

inet6.0        

         4754891  2508471     0     0     0     0

bgp.l3vpn.0      

          16055    8030     0     0     0     0

bgp.l3vpn-inet6.0   

          6952    3476     0     0     0     0

lsdist.0       

            0     0     0     0     0     0

Peer           AS   InPkt   OutPkt  OutQ  Flaps Last Up/Dwn State|#Active/Received/Accepted/Damped...

100.88.4.16      8075     0     0    0    0   2:17:57 Connect

100.88.4.17      8075     0     0    0    0   2:17:57 Connect

100.88.4.18      8075     0     0    0    0   2:17:57 Connect

 

lab@123> show route table ?

Possible completions:

 <table>       Name of routing table

 ITEpremium.inet.0   

 ITEpremium.inet6.0  

 bgp.l3vpn-inet6.0   

 bgp.l3vpn.0      

 inet.0        

 inet.3        

 inet6.0        

 inet6.3        

 iso.0         

 lsdist.1       

 mpls.0        

 tms-l3vrf.inet.0   

 tms-l3vrf.inet6.0  
 

Solution

Table lsdist.0 is populated after adding the missing configuration "set protocols isis traffic-engineering l3-unicast-topology" 

lab@123> show route table ?   << --- before 
Possible completions:
<table>              Name of routing table
  ITEpremium.inet.0
  ITEpremium.inet6.0
  inet.0
  inet.3
  inet6.0
  inet6.3
  iso.0
  lsdist.1
  mpls.0
  tms-l3vrf.inet.0
  tms-l3vrf.inet6.0

 
lab@123>
 
lab@123> edit
Entering configuration mode
Users currently editing the configuration:
  labroot terminal pts/0 (pid 44194) on since 2025-08-11 10:19:50 UTC, idle 00:06:57
      [edit]


[edit]
lab@123# show | compare
[edit protocols isis traffic-engineering]
+    l3-unicast-topology;
 
[edit]
lab@123# commit
commit complete
 
 
lab@123> show route table ?
Possible completions:
<table>              Name of routing table
  ITEpremium.inet.0
  ITEpremium.inet6.0
  inet.0
  inet.3
  inet6.0
  inet6.3
  iso.0
lsdist.0. <<< --
  lsdist.1
  mpls.0
  tms-l3vrf.inet.0
  tms-l3vrf.inet6.0



Modification History

2025-08-13 : Article Created