4000 Router Series Layer 2 - WAN Configuration Guide

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Ste

Command

Remarks

3. Specify the primary and

secondary DNS server IP

addresses to be allocated to

the peer in PPP negotiation..

ppp ipcp dns primary-dns-address

[ secondary-dns-address ]

By default, a device does not

allocate DNS server IP addresses

to its peer if the peer does not

request them.

Configuring MP

You can configure MP by using virtual template (VT) or MP-group interfaces.

• VT interfaces are used to configure VA interfaces. After bundling multiple PPP links into an MP link,

create a VA interface for the MP link to exchange data with the peers.

• MP-group interfaces are intended only for MP. On an MP-group interface, only one bundle is

allowed, and links cannot be bundled according to the peer descriptor. Compared with VT

interfaces, the configuration of MP-group interfaces is more efficient and easier to configure and

understand.

MP configuration task list

Tasks at a

lance

(Required.) Perform either task:

• Configuring MP by using a VT interface

• Configuring MP through an MP-group interface

(Optional.) Configuring short sequence number header format negotiation

(Optional.) Configuring LFI

Configuring MP by using a VT interface

Ste

Command

Remarks

1. Enter system view.

system-view

N/A

2. Create a VT interface and enter

its view.

interface virtual-template number

If the VT interface already

exists, you directly enter its

view.

3. (Optional.) Set the interface

description.

description text

By default, the description of

a VT interface is interface

name Interface, for example,

Virtual-Template1 Interface.

4. Set the polling interval.

timer-hold seconds

The default setting is 10

seconds.

5. Set the MTU size of the interface.

mtu size

The default setting is 1500

bytes.