PPP Multilink Question

[chion]

I was just wondering what the difference is between using:

1. interface Multilink x

and

2. Multilink virtual template x

inteface virtual-template x

commands to create a MLP. Currently, we have 2xT1 from one router to another router. I want to be able to combine the use of the 2 T1's to increase bandwidth and load balance.

Also, is it possible to create a VPN connection using bundled T1's?

Thanks in advance.

[sachinraja]

In your case, use the interface multilink command.

interface multilink 1

ip address x.x.x.x y.y.y.y

encapsulation ppp

ppp multilink

multilink-group 1

interface serial 0

no ip address

encapsulation ppp

ppp multilink

multilink-group 1

interface serial 1

no ip address

encapsulation ppp

ppp multilink

multilink-group 1

ITS possible to create any sort of VPN connection through multilink interface. It just needs an Ip connectivity.

[chion]

Thank you for your response. I will try it. Also, is it recommended to disable fair-queuing on the Serial interfaces? Thanks again.

[sachinraja]

It depends on the amount and type of traffic flowing on your serial interface. If you have ample bandwidth on your interface, you can as well disable it.