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Forum Discussion

JustCooLpOOLe's avatar
JustCooLpOOLe
Icon for Cirrocumulus rankCirrocumulus
Dec 18, 2017

Going from Untagged to Tagged VLANs

Problem:   Our Network team has recently added a new VLAN to our current Network Topology and use those addresses for our Virtual Servers on our LTMs. Our typical configuration is to use trunk tw...
application delivery
LTM
Simon_Blakely's avatar
Simon_Blakely
Icon for Employee rankEmployee
Dec 18, 2017

You can't just create a new vlan and change the self-IPs to use the new VLAN. You need to change both the non-floating and floating self-IPs at the same time, so the same IP address range is not applied to two different VLANs at the same time.

 

You can make the change on the VLAN settings to modify the VLAN from untagged to tagged and change the VLAN interfaces to the trunk without too many problems.