Maximum E1 Cards supported on 2811

Unanswered Question
Feb 15th, 2010

Hello All,

Wanted to confirm maximum E1 ports supported on 2811 without any performance degradation.

2811 has 4 HWIC slots, i need 8 E1 ports to be connected to different sites.if i populate all 4 slots with VWIC2-2MFT-G703 which makes 8 E1 ports, Any performance issues??

Thanks in advance.

I have this problem too.
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Giuseppe Larosa Mon, 02/15/2010 - 04:51

Hello Hardik,

C2811 is accredited of 120000 pps

ISR 2811 3,000 1.536 120,000 61.44 No

so from the performance point of view it shouldn't be a problem

see file in attachment

the 4 slots can be used as you would like:

>> 4 slots, each slot can support HWIC, WIC, VIC, or VWIC type modules

http://www.cisco.com/en/US/prod/collateral/routers/ps5854/ps5882/product_data_sheet0900aecd8016fa68_ps5854_Products_Data_Sheet.html

So it should work

depending on WAN provider prices in your region you may want to consider the use of a single NM E3 subrate instead of paying for 8 E1 links

Hope to help

Giuseppe

Paolo Bevilacqua Mon, 02/15/2010 - 08:01

Hi, you should use instead:

NM-8CE1T1-PRIor 2x HWIC-4T1/E1

Also in most cases the regular VWIC is OK, do not need the G703 version.

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