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Multiple SHDSL cards connecting to a 4SHDSL card?

lesb
Level 1
Level 1

Apologies if this has been asked before, but my googling and forum searching has led to no answer. 

 

So..  Can it be done?  I have 4 2811 and have been looking at getting a 4SHDSL card for one of my 2811's and then 3 1SHDSL cards for each of my other 2811's in my home lab. 

 

When looking at the 4SHDSL, it looks as if it can take 4 lines.

 

If so, can I use it to connect to the other 2811's like I could if I used a serial 4t for example? 

 

I am aware that you can create a single back to back connections using SHDSL cards, but I have not been able to find any information where you can connect more than one router to the 4SHDSL nor any information on splitting the lines (if that’s what's it called) and assigning individual IP addresses to each line.  I have found the wiring layout for the individual lines which had lead to my curiosity. 

 

Any information welcome, not urgent, just for the fun of learning.

 

Thanks in advance.

 

Les

1 Reply 1

Hello,

 

I think this works as following:

 

Split the DSL controller in 4:

 

2811(config)# controller shdsl 0/1/0
2811(config-controller)# dsl-group 0 pairs 0

 

2811(config)# controller shdsl 0/1/0
2811(config-controller)# dsl-group 1 pairs 1

 

2811(config)# controller shdsl 0/1/0
2811(config-controller)# dsl-group 2 pairs 2

 

2811(config)# controller shdsl 0/1/0
2811(config-controller)# dsl-group 3 pairs 3

 

Then use the procedure below to assign IP addressing and other config to the groups:

 

1. dsl-group

2. interface atm <slot>/<HWIC subslot>/<dsl-group>

3. ip-address IP-address

4. atm-ilmi-keepalive seconds

5. pvc [name] vpi/vci

6. protocol ip IP-address

7. vbr-rt peak-rate average-rate burst

 

The document linked below lists this and other options:

 

https://www.cisco.com/c/en/us/td/docs/routers/access/interfaces/software/feature/guide/shdslfm.html

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