SPF Ports on switch and Router
Customer has very spiky traffic and want to use 10G SFP on fiber port at their switch. They are asking us to provide for it at our end on router. Router is ISR 4431 and believe can't support that 10G SFP. Can it handled by us providing 1G SFP at SM-X port in router? Right now, we are connected to customer via RJ45.
Robert
According to the specs on that it has SFP not SFP+ (which would only give it the max of 1gb) that said the performance throughput on that model is only 500 Mbps upgradeable to 1 Gbps. So even if you increased the speed of the connection to the router it would probably not improve overall performance.
SFP is up to 1GB, if you want 10GB you need SFP+
You are correct, totaram. The 4431 doesn't support 10G optics. You'd need to replace the router with a 4451 at least.
ASKER
Couple of questions:
1. Cisco 4431 supports SM-X, so if one puts 10G SFP Would it not recognise it?
2. So the setup is fine, if we connect 10G SFP+ port at switch to 1G SPF port at the router end? Do we need any modified duplex settings to talk to other end?
1. Cisco 4431 supports SM-X, so if one puts 10G SFP Would it not recognise it?
2. So the setup is fine, if we connect 10G SFP+ port at switch to 1G SPF port at the router end? Do we need any modified duplex settings to talk to other end?
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ASKER
Thanks all.. I fully understand it now.