Queation about the connection of Cisco WS-C2960S-24TS-S by nana lee
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Question: I am about to purchase a EMC VNXe3150 with dual controllers. I’d like to have redundant switches. I was looking at the Catalyst Switch WS-C2960S-24TS-S which comes with LAN entry lite feature set. Will I be able to connect two nic ports from each of 2 hyper-v hosts and two nic ports from each SAN controller to each switch and have 4Gbps connectivity from HOST to SAN using LACP? Will the switches need to be connected to each other? Using LACP?If one switch fails would each server still have 2 Gbps connectivity to the SAN? Could you provide more detail as to what is involved in the setup? Answer: With iSCSI you would generally use MPIO rather than LACP etc. In general you don’t get all paths in use for a single LUN but if you use multiple LUNs then round robin will assign a 1Gb path to the first LUN (say your E: drive) and a second path to the second LUN (say F:). Dependant on your iSCSI initiator LACP may not be supported. Not sure if the VNXe supports trunking rather than MPIO either. BTW, it’s not a SAN switch just because you’re running iSCSI over it, it’s really just an Ethernet/LAN switch but that’s just me being pedantic.WS-C2960S-24TS-S Price, visit the www.3anetwork.com.
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