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Redundant SFP+ connection between switches (GS752TXS and M4300-8x8f)
Hello, I have two GS752TXS switches in my server rack. I use the SFP+ ports to connect them with each other and with my servers. I now want to split my servers in two locations with each location ha...
@Modos: What the hell happened to my reply??? Are you serious???
@OPOP
You could stack both GS752TXS together, stack both M4300 together and have a two cables LAG between the two stacks -> you get the redundandy, reduce the amount of configuration, don't need STP, increase the efficiency of load balancing on the switches
To build the stacks, you could use Direct Attached Cables such as AXC761 or AXC763, which are 10Gbps copper, therefore MUCH less expensive than fiber modules -> you get same performance for lower price
Diagram: https://i.imgur.com/3iYsfYF.png
@Modos: What the hell happened to my reply??? Are you serious???
@OPOP
You could stack both GS752TXS together, stack both M4300 together and have a two cables LAG between the two stacks -> you get the redundandy, reduce the amount of configuration, don't need STP, increase the efficiency of load balancing on the switches
To build the stacks, you could use Direct Attached Cables such as AXC761 or AXC763, which are 10Gbps copper, therefore MUCH less expensive than fiber modules -> you get same performance for lower price
Diagram: https://i.imgur.com/3iYsfYF.png
Hi,
thank you for the replies and great ideas. My GS752TXS are already stacked, so the LAG idea sounds good. Although I had some trouble in the past with the GS752TXS. I had 4 of them stacked together and every time one of those 4 lost power (even one at the end), the other three weren't reachable for almost a minute. Is this normal behavior? With real redundancy, all the other switches should keep working, as long as there is a connection between them...
I've never used STP before but it doesn't look too difficult at first glance.
Thank You,
Peter
I just saw that STP (not RSTP) is active on my GS752TXS. Could this be the reason for the connection loss when one of the switches goes down? As the central Storage and my VMs run over these switches at the moment and I use LAG and the servers have two concurrent connections (ESXi, without LAG, one to each switch), I have not dared to deactive it. Do I need STP if I have connected my physical machines with more than one cable without LAG?
Thank You,
Peter
Hi ptoschi,
Let me share this old forum link below and it might help:
https://community.netgear.com/t5/Managed-Switches/Do-I-need-Spanning-Tree-Protocol/td-p/458326
Regards,
DaneA
NETGEAR Community TeamThank You for the info. I've read in the meantime that for the ESXi vswitch I don't need STP so I will try to deactivate it in the night and see what happens.
Thanks everyone,
Peter
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