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stacking s3300 with a fibre uplink to an XS716
I am upgrading our old 3x GS748TS and 1x GS724TS HDMI stacked switches to a 10Gb infrastructure. Our pair of servers are now 10Gb (rather than the outgoing quad LAG 1Gb). I intend to replace our core 748TS with 4x S3300-52. The server switch will be an XS716T 10gb Switch (a shame netgear dont do an S3300 with a dozen 10Gb ports - would have been nice for a full stackable solution).
My question is as follows. I will be setting both copper 10Gb ports in the s3300 to "stack" and linking them together in a loop (same as I did with the old HDMI uplink/downlink cables), but can I then use the 10Gb SPF as (SPF DAC as it will be next to one of the S3300 switches) uplink to the XS716T? I know that if the fibre AND copper 10Gb are set to "stack" (rather than ethernet) then fibre takes priority and copper will always be "failover" but what if I only set copper as "stack" and leave SPF as "ethernet", will traffic still work for the stack AND the ethernet uplink?
When two ports are in stack mode, is one "up" and one "down" or does it not matter? (ie. does it have to be S1P50 -> S2P49 S2P50 ->S3P49 S3P50->S1P49 etc)
Thanks
Had a chat with netgear (which is what I probably should have done!). The switch comes with 48 1Gb-T ports, 2 10G-T and 2 10G SPF. All can be used simultaneously. If the copper 10G *and* the 10G SPF are set as "stacking" (to stack to other S3300) then ONLY the SPF will pass data, the copper will be redundancy.
If the copper are set to STACK and the SPF are set to ETHERNET then the copper will stack and the SPF will pass data as normal. In effect you can do what I want: S3300 stack using copper alone (in a ring) and uplink/downlink out of the stack using the SPF.
should be noted that the SPF can take 10Gb modules only - older 1Gb modules wont work.
4 Replies
- Hi, those are combo ports. You can use only one port per pair at a time, not both. So, within a combo pair, you can't use one port for stacking and one port for ethernet (nor other combinations).
For your second question, the port number on each end doesn't matter. But to keep things clean, I would advise you to do something like you just said. So you immediately know which port goes where.That changes things somewhat. I expected that when it said 4 dedicated 10G ports that they could be used as you see fit in not chained together (like the SPF ports in the GS748T). I'll probably need to look outside of netgear portfolio as I cannot see products that fit the bill I am after - I was going to buy an extra S3300-52 and use it in a separate building with fibre connection back and copper linking another room, seems I cant do that if it is a 10G copper or 10G SPF.
- http://www.downloads.netgear.com/files/GDC/datasheet/en/S3300_GS728TX_GS728TXP_GS752TX_GS752TXP.pdf
Well, datasheet actually says "dedicated", so they don't seem to be combo as they are on other NETGEAR switches after all. I'll let other people confirm.
Sorry if I gave misleading info ;)Had a chat with netgear (which is what I probably should have done!). The switch comes with 48 1Gb-T ports, 2 10G-T and 2 10G SPF. All can be used simultaneously. If the copper 10G *and* the 10G SPF are set as "stacking" (to stack to other S3300) then ONLY the SPF will pass data, the copper will be redundancy.
If the copper are set to STACK and the SPF are set to ETHERNET then the copper will stack and the SPF will pass data as normal. In effect you can do what I want: S3300 stack using copper alone (in a ring) and uplink/downlink out of the stack using the SPF.
should be noted that the SPF can take 10Gb modules only - older 1Gb modules wont work.
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