4000 Router Series Layer 2 - WAN Configuration Guide

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Ste

Command

Remarks

4. Configure the remote

username.

dialer peer-name username

The device checks the remote

username obtained in PPP

authentication against the remote

usernames configured by the

dialer peer-name commands to

determine which dialer interface

receives which call.

You can configure a maximum

number of 255 remote usernames

for a dialer interface. This enables

one dialer interface to receive

calls from multiple dialup

interfaces.

5. Return to system view.

quit N/A

6. Enter physical interface view.

interface interface-type

interface-number

N/A

7. Assign the physical interface

to the specified dialer bundle.

dialer bundle-member number

[ priority priority ]

By default, a physical interface

does not belong to any dialer

bundle.

Make sure the number arguments

in the interface dialer and dialer

bundle-member commands use

the same value.

8. Configure PAP or CHAP

authentication to authenticate

the remote end.

See "Configuring PPP and MP." N/A

Configuring MP for DDR

Implementing DDR with MP

In DDR applications, you can configure load thresholds for links.

If you set a link load threshold in the range of 1 to 99, MP tunes allocated bandwidth according to actual

traffic percentage following these rules:

• When the percentage of the traffic rate on a link to bandwidth exceeds the defined traffic threshold,

the system automatically brings up a second link and assigns the two links to an MP bundle. When

the percentage of the traffic rate on these two links to bandwidth exceeds the defined traffic

threshold, the system brings up a third link, and assigns it to the MP bundle, and so on. This ensures

appropriate traffic distribution on DDR links.

• On the contrary, when the percentage of the traffic rate on N links (N is an integer greater than 2)

to the bandwidth of N – 1 links decreases below the defined traffic threshold, the system

automatically shuts down a link. This ensures the efficient use of DDR links.

If you set the link load threshold to zero, DDR brings up all available links when triggered by auto-dial or

packets instead of looking at the traffic size before doing that. In addition, it does not tear down links that

have been established due to timeout.