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Multiple private clouds sharing L2 switches
| Posted by webhost4all, 09-15-2014, 11:26 PM |
| Ok, this is probably a dumb idea and I will probably get flamed but it feels slightly inefficient not using all available hardware.
Objectives are:
1. Sharing of large SAN
2. Better use of switches (clouds will only have 3/4 HVs and 10GbE switches mostly come with 40+ ports)
What are the potential security implications and are there any ways to secure this? What I can think of is segregating the different clouds via different subnets but this can easily be bypassed if the client changes the local internal IPs to access another client's cloud. Is there any way to lock them in via MAC addresses or something?
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| Posted by twikamltd, 09-24-2014, 07:31 PM |
| That's what VLAN's were made for.
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| Posted by brentpresley, 09-25-2014, 12:47 PM |
| Might be OK if your clients are "smaller", but I can only imagine the pain when that switch fails (hey, it happens). You have multiple private cloud customers down and screaming for your head.
Sometimes, it's just not a good idea to be too frugal.
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| Posted by media-hosts_com, 09-25-2014, 01:02 PM |
| Tough to do "clouds" with mac address filtering. VM's will auto generate mac addresses unless you do L3 in some sort of virtual switch in the hypervisors. Similar to the Virtual Cisco Nexus Platform for VMWare.
If you're afraid of switch failure, just do stacks with LACP.
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