[j-nsp] ISIS (Ref-BW & L1 Metric)

[Jking T]

Hi Experts,

I have couple of queries on IS-IS

1) Just 
wondering what reference-bandwidth value in "show isis overview" 
indicates?? 
We have set reference-bandwidth as 1000g for ISIS. (We 
dont see this output with routers not having reference-bandwidth 
command)

Lab at Mumbdst1> show isis overview 
Instance: master
 
 Router ID: x.x.x.x
  Adjacency holddown: enabled
  Maximum Areas:
 3
  LSP life time: 65535
  Reference bandwidth: 3567587328  <<<---
 
 Attached bit evaluation: enabled
  SPF delay: 200 msec, SPF 
holddown: 5000 msec, SPF rapid runs: 3
  IPv4 is enabled, IPv6 is 
enabled
  Traffic engineering: enabled
  Restart: Enabled
    
Restart duration: 200
 sec
    Helper mode: Enabled
  Level 1
    Internal route 
preference: 15
    External route preference: 160
    Wide metrics are enabled, Narrow metrics are 
enabled
  Level 2
    Internal route preference: 18
    
External route preference: 165
    Wide metrics are enabled

2)
 We have few routers in the setup & all in Level-2. (Level1 
disabled). In that case, shouldnt we expect not to see Level1 Metric 
information in both the outputs???

Lab at Mumbdst1> show isis 
interface 
IS-IS interface database:
Interface             L CirID
 Level 1 DR        Level 2 DR        L1/L2
 Metric
lo0.0                    0   0x1 Passive           
Passive                 0/0
xe-0/0/0.0            2   0x1 
Disabled          Point to Point        100/100000 

 
ge-1/0/0.0            2   0x1 Disabled          Point to 
Point        100/1000

Any
 thoughts??

Thank you.

Regards,
JK