Design of network for VMware/iSCSI SAN

I am currently reshaping our business network to take account of the variation between stand-alone servers and an Equallogic/VMware environment. We will use iSCSI to connect to the virtual machine to the San.

My question is this. How a proper network design should seek this kind of deployment? I've specified my current hardware less than what I have to work with. Given that I can't pay by port / vlan database MTU value on the 3750/2960 should I dedicate a switch for iSCSI?

Equipment available:

Core switch/router:

WS-C37560G-24TS-1U

Stacked switches:

WS-C2960S-48TS-L access switch

WS-C2960S-48TS-L access switch

WS-C2960S-48LPS-L voice changer

WS-C2960S-24TS-L Server switch (dedicated iSCSI Possible)

Unused stacked switches:

Dell Powerconnect 6224 x 2 reference

Servers:

Reference Dell R710 Quad NIC

Reference Dell R610 Quad NIC

Storage:

EqualLogic PS4100 with two 2 x 1 GbE controllers = 4 GbE for iSCSI

Best regards

Markus

given that the same logic has two controllers that you will have to use a pair of switches to cross connect for redundancy. You are going to need some maps as well. 1 sc, 1 for vmotion, 2 for iscsi (cross connected) and probably 2 for the production traffic.

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Tags: Cisco Network

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