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Server room port organizing

Posted on 2016-09-11
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Last Modified: 2016-09-30
Hello,

I have a switch at the office server room, which I am consider to replace.
Most of the servers are plugged into different ports on that switch, so in order to do the migration, do I have to plug everything on the same ports in the new switch or this won't matter?
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Question by:Ivan Metkov
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by:John Hurst
John Hurst earned 250 total points (awarded by participants)
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If you are using a "regular" setup (no strange setups), you can change switches and regular ports with no issue.
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Predrag Jovic earned 250 total points (awarded by participants)
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What should be done depends on configuration details of the old switch.

- If you have separate VLANs for different servers, or trunks configured on interfaces to servers you need to configure new switch the way ports are currently configured on the old switch (not necessary in the same order). After you configure ports on new switch you should create patch list to move ports from old to new switch (e.g Gi0/1 -> Gi1/0/3 etc).
- If all server ports are in the same VLAN you should create VLAN for servers and no trunks (except to neighbor switch), however in that case you don't need patch list. You need to configure access ports to proper VLAN and configure trunk port as it is configured on the old switch. Patch list is needed if any port have different configuration from other ports. If every port have the same configuration - patch list is not needed.
- There is only scenario where you don't care about anything - it is where servers are connected to unmanaged switch (or managed switch configured as managed switch - all ports are access ports in VLAN 1).

Hardware refresh should be done very carefully otherwise problems with SLA will occur.
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