User manual

9 HDLC configuration
Nortel Secure Router 8000 Series
Configuration -WAN Access
9-4 Nortel Networks Inc. Issue 5.3 (
30 March 2009)
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If you use static route and the IP address of the lender adopts a mask less than 32 bits,
the length of the static route mask should be longer than that of the lender's IP address
mask.
9.2.4 Setting the Polling Interval
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface interface-type interface-number
The interface view appears.
Step 3 Run:
timer hold seconds
The command configures the polling interval is configured.
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The link layer protocols such as PPP, FR, and HDLC adopt a polling timer to check the status
of a link. Configure identical polling interval on the both ends.
By default, the pooling interval is 10 seconds. If it is set to 0, then link detection is prohibited.
The polling interval can either use the default setting or be adjusted as required. If the network
delay is longer or the congestion degree is higher, you can increase the polling interval
appropriately to decrease the network flapping.
9.2.5 Checking the configuration
Run the following commands to check the previous configuration.
Action Command
Check the interface
status.
display interface [ interface-type [ interface-number ] ] [ | { begin
| exclude | include } regular-expression ]
9.3 Maintaining HDLC
This section covers the following topics:
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Clearing HDLC statistics
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Debugging HDLC