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ISR or ASR with more than 20 sfp port

Hi,

We need to connect (fiber) a main HQ office to 16 branches for small app communication, and I'm looking for a router (ISR or ASR) with a lot of sfp port (module) for the HQ. I looked for the ASR 1002-HX and it is very expensive. 

The throughput is not that high and just need to support maximum of 1 Gbps.

For the branch I looked for the ISR 4221 or 4321, but for the HQ which is best suited an ISR with 24 sfp port or ASR (knowing it is very expensive).

My question: Can an ISR router has a 24 sfp port (if yes, which module is it )?

10 REPLIES 10
Hall of Fame Community Legend

Re: ISR or ASR with more than 20 sfp port

Are these small branches directly connected to HQ?

Re: ISR or ASR with more than 20 sfp port

Yes,

Direct connection by fiber with 1 gpbs throughput.

Regards.

Re: ISR or ASR with more than 20 sfp port

Actually we are getting a dark fiber pair for each connection to each branch.

Hall of Fame Community Legend

Re: ISR or ASR with more than 20 sfp port

If they are all dark fibre, why terminating into the router?

Re: ISR or ASR with more than 20 sfp port

Yes, that is my primary choice but need a router with 24 or 48  sfp port.

 

Re: ISR or ASR with more than 20 sfp port

Oh sorry, that is question. Where should we terminate them?

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Hall of Fame Community Legend

Re: ISR or ASR with more than 20 sfp port

Terminate all the sites into a dedicated distribution switch. The distribution switch then connects to your router. The router then connects to your internet feed.
VIP Mentor

Re: ISR or ASR with more than 20 sfp port

Hello,

 

I don't think the ISR 4000 has a module with 24 SFP ports. You can get 24 or 48 GigabitEthernet port modules with RJ-45 ports, but if you definitely need 24SFP ports, you are indeed looking at something like the ASR9K, which is expensive.

 

Since you say the throughput is low, why can't you just get a switch and uplink it to a router ?

Re: ISR or ASR with more than 20 sfp port

Hi Georg,

You mean use the switch to connect the fiber cable and then put a router behind it?

I can then use a sub-interface on the router for each network.

Regards.

VIP Mentor

Re: ISR or ASR with more than 20 sfp port

Hello,

 

either that, or use fiber to RJ-45 converters. You could then use the SM-X-ES3-24-P module and the ISR4351 or ISR4331.

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