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Cisco 1841 with 2 WIC-1ADSL?

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xpsuser

Programmer
Mar 10, 2007
20
CA
Hi all:

I'm looking for info on the 1841 router. I am trying to find out if it will support 2 WIC-1ADSL cards, at full speed?

My problem is that currently, I am using a 2621XM, and the way the SCC works, I am only allowed to use up to 8Mbits, shared across the 2 cards. Because the minimum is 1Mbit for upload (x2) I am left with 6MBits for download, across 2 cards. It's a waste of 2 DSL links at 5Mbits each!

Just wondering if I can keep my 2 cards, plop them in an 1841 and live happily in the fast lane?

Supporting doc for the 2621 limitations here:

Excerpt:
"The maximum data rate between an SCC and a DSL WIC depends primarily on the maximum clock rate that the SCC can support. For example, on the Cisco 2600 series mainboard, which supports two DSL WICs, the total SCC clock rate that can be configured for both WICs is 8 Mbps. Therefore, if only one DSL WIC is present on the mainboard, AAL5 and AAL2 clock rates can be configured to 7 Mbps and 1 Mbps, respectively. If two DSL WICs are supported on the mainboard, the total of 8 Mbps should be distributed among the four SCCs.
 
That means you configure the clock rate for aal5 (download) and aal2 (upload), and you should get more.

Have you done this? Please post a config of the interface atm...

/

tim@tim-laptop ~ $ sudo apt-get install windows
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package windows...Thank Goodness!
 
Yes, I can configure it, but the issue is, I have 8Mbits to play with (as per doc), TOTAL, when I need at least 10 down + 1.2 up. (5 megs down x2 and 600k up x2).

If I set the first ATM interface to 5.3down/1up, then IOS errors out when I try to set the second interface (because I'm going over the max 8M I'm allowed). I can set any combination as long as the total is not above 8M.

Hopefully the 1841 is better?

 
Not sure, and I have never bonded adsl links together. Sorry for your situation.

/

tim@tim-laptop ~ $ sudo apt-get install windows
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package windows...Thank Goodness!
 
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