164CHAPTER 7: CONFIGURING VIRTUAL CHANNELS

NNI Hops Setup

The following commands allow you to configure the NNI hops parameter:

 

￿Display Maximum NNI Hops

 

Update Maximum NNI Hops

 

For more information about hops, see “Hop Limit — Avoiding loops” on

 

page 111 in the Operations Guide.

Display Maximum

Display the maximum number of hops permissible for NNI routing. This

NNI Hops

parameter limits the number of times a setup message can be transferred

 

between switches on NNI connections in search of a destination, thereby

 

avoiding an infinite loop.

 

 

Command Actions

 

 

Enter the menu sequence:

(1) SYS: Platform configuration

 

 

(1) SET: Switch setup

 

 

(3) NNI: NNI setup

 

 

(1) GMD: NNI Get maximum number of

 

 

hops

 

Direct access sequence:

1 1 3 1

 

Command Result

 

 

System action taken:

The maximum number of hops permissible for NNI

 

 

routing is displayed.

 

System message display:

NNI max hops: <n>

 

Example

 

 

Enter: 1 1 3 1

 

The following message is displayed:

NNI max hops: 7

The actual number of hops is max_hops+1.

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Image 164
3Com 9000 manual NNI Hops Setup, Display Maximum