Solved: Are these correct SFPs for EHWIC-1GE-SFP-CU?

vishnureddy1979 · ‎08-17-2015

Hi Guys,

I am planning to upgrade the internet circuit for primary and shadow circuit with 2 sets of public IPs allocated from my ISP. I am using the modules EHWIC-1GE-SFP-CU in the 2901 routers. Can i use GLC-SX-MM= SFPs as I see in the cisco docs link below: The ISP is going to terminate Multimode fiber with LC connector. And the speed would be 100 Megs with burstable up to 1 Gigabit/sec

http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/high-speed-wan-interface-cards/data_sheet_c78-660124.html

GLC-SX-MM=

GE SFP, LC connector SX transceiver

Thanks in advance.

Leo Laohoo · ‎08-17-2015

The SFP is compatible but the router will NOT be able to push 1 Gbps ... more like 220 Mbps to 300 Mbps.

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Marvin Rhoads · ‎08-19-2015

Definitely. The 2901 won't come anywhere near 1 Gbps like Leo said.

If I was doing 100 Mbps with bursts up to 1 Gbps I'd recommend the ISR 4431 or 4451.

View solution in original post

Leo Laohoo · ‎08-17-2015

The SFP is compatible but the router will NOT be able to push 1 Gbps ... more like 220 Mbps to 300 Mbps.

vishnureddy1979 · ‎08-19-2015

Thank you.

Since DIA is 100 Mbps upto 1Gbps burstable do you recommend upgrading the router for higher throughput in the long run?

Marvin Rhoads · ‎08-19-2015

Definitely. The 2901 won't come anywhere near 1 Gbps like Leo said.

If I was doing 100 Mbps with bursts up to 1 Gbps I'd recommend the ISR 4431 or 4451.