Network Router User Manual

Nortel Secure Router 8000 Series
Configuration -WAN Access 8 Frame relay configuration
Issue 5.3 (
30 March 2009) Nortel Networks Inc. 8-41
mfr timer hello seconds
The command configures the hello packet sending period of MFR bundle link.
Step 4 Run:
mfr timer ack seconds
The command configures the waiting time before MFR bundle link resends hello packets.
Step 5 Run:
mfr retry number
The command configures the maximum times that MFR bundle link can resend hello packet.
By default, the hello packet sending period of a bundle link is 10 seconds. Before a hello
packet is resent, wait for the ACK response message for 4 seconds. If the ACK response
message is not received, resent the hello packet. The hello packet can be resent only twice.
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8.11.5 Checking the configuration
Run the following commands to check the previous configuration.
Action Command
Check the configuration and
statistics of the MFR bundle
and MFR bundle links.
display mfr [ interface interface-type interface-number |
verbose ]
8.12 Configuring MFR restriction parameters
8.12.1 Establishing the configuration task
Applicable environment
You configure MFR restriction parameters as required to optimize link channels. These
parameters include the MFR fragment size and the size of MFR sliding window.
The size of MFR sliding window refers to the number of fragments that can be held by the
window with sliding window algorithm when MFR reassembles received fragments.
Preconfiguration tasks
Before configuring MFR restriction parameters, complete the following tasks:
z
Configuring physical parameters for FR interfaces
z
Creating and configuring the MFR interface