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тАО05-16-2012 08:28 AM
тАО05-16-2012 08:28 AM
P4500 Networking Design
As we know, it is best practices to seperate the iSCSI [SAN] network from other networks AND NOT ROUTABLE. On this basis it is quite strange that the P4500 network design does not have a seperate Management Network from its built in VIP and iSCSI network.
It suggests as an example:
VIP - 10.10.10.x
( NICs would also be 10.10.0.x etc) , everything is 10.10.10.x on the same subnet.
This is then a problem when it wants NTP, DNS, Email notification etc but its iSCSI/VIP subnet is on a 10.10.10.x, where most companies would have a different subnet for servers, DNS, NTP etc such as 192.168.x.x for example.
As an open forum, how do most people configure their networks to solve all desired configurations?
Thanks in advance
Bob
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тАО05-16-2012 10:30 PM - edited тАО05-16-2012 10:31 PM
тАО05-16-2012 10:30 PM - edited тАО05-16-2012 10:31 PM
Re: P4500 Networking Design
In our environment I have a single vm guest that has two nics.. an iscsi nic & a lan nic. The guest has the CMC running, syslog, ntp & email relay setup. I havent bothered using DNS in the iscsi network.. but I guess there is no reason why the guest could not be setup to be a DNS cache as well.
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тАО05-17-2012 04:03 AM
тАО05-17-2012 04:03 AM
Re: P4500 Networking Design
We just made it routable between our iSCSI network and our production network on our Cisco 3750G stack. Doesn't seem to have any real issues with that.
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тАО05-18-2012 09:15 AM
тАО05-18-2012 09:15 AM
Re: P4500 Networking Design
same here. Our gateway is our firewall so we use that to make sure only the traffic we want gets routed to the iSCSI network. I thought about just putting in one multi-homed device to provide the link to the serviced that might require outside access, but decided to just go with a routed network design for simplicity.... its all outbound only and the traffic is so light its easy to monitor.
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тАО05-22-2012 10:16 PM
тАО05-22-2012 10:16 PM
Re: P4500 Networking Design
David Tocker