Difference in T3 (full rate and subrate)

Unanswered Question
Oct 24th, 2007

We are ordering a frac 22MB DS3 and need to order a new router and WIC card. I know what WIC card we need but am confused on the router side. What is the difference between full and subrate. I don't want to spend the money for the 3825 if we can get by with a 28xx router. We will primarily only sending traffic to our MPLS provider.

Supported Platform Recommended Type of Service Recommended Branch-Office Size

Cisco 2650 and 2651XM Subrate T3/E3 Small to medium branch offices

Cisco 2691 Subrate T3/E3 Small to medium branch offices

Cisco 2800 Subrate T3/E3 with concurrent services Medium to large branch offices

Cisco 3661 and 3662 Sub and full-rate T3/E3 with limited services Medium and large branch offices

Cisco 3725/3745 Full-rate T3/E3 with no services Medium and large branch offices

Cisco 3825 Full rate T3/E3 with no services Large and regional branch offices

Cisco 3845 Full-rate T3/E3 with concurrent services Large and regional branch offices

I have this problem too.
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royalblues Wed, 10/24/2007 - 09:49

2800 supports one T3 module and hence you should be ok to go with it.

The above data seems to be more from a marketing perspective where it is stated that the router would not support wire rate performance for a full T3 link.

We have a DS3 terminated on a 2800 and its working absolutely fine

HTH

Narayan

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