01-19-2023 04:42 AM
HI ALL,
I have recently setting up Cisco FTD and FMC , i am trying to create a two port channel one will be INSIDE and Another will be OUTSIDE, these port channel i added two interface each for inside and Outside.
what i am trying to do to allow 8 vlans (Inside) through Port Channel and Outside Port Channel i want the same vlan to be in and out Is it possible i need some urgent advise on this..
also i dont see anywhere trunk configuration option inside the FMC version 7.2
Lav Kumar
01-19-2023 07:24 AM
VLAN IDs must be unique across different subinterfaces.
01-19-2023 09:44 AM
Hi marvin,
Unique Vlan ID meaning, you mean to create same Vlan ID in Diferent subinterfaces.. which is not allowed in the FMC.
let me make it more clear about my challenge: i am trying to configure with inside interface as trunk allowing Vlan 3,4 ,5 than pass the same to outside interface with the same Vlan 3,4,5 this senario i am trying to put the FTD create between the servers communication within the same vlan 3,4,5. i hope it is clear.
01-19-2023 09:48 AM
Passing the same VLAN from inside to outside implies you are using transparent mode vs. the much more common routed mode. Is that what you are trying to do?
01-19-2023 09:51 AM
Yes i have configured the FTD in Transparent Mode, but i am not getting any luck it is not working i need some advise.. whether it will work or not..?/
01-19-2023 10:07 AM
Any Advise how to do it , that will be appreciated.
01-20-2023 10:08 AM
If you search google for Cisco Live presentation BRKSEC-2020, you will see a simple explanation on slides 169-172.
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