https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758015#M1096990 <P>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?</P> Thu, 19 Jan 2023 17:48:50 GMT Marvin Rhoads 2023-01-19T17:48:50Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4757774#M1096963 <P>HI ALL,</P><P>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.&nbsp;</P><P>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..&nbsp;</P><P>also i dont see anywhere trunk configuration option inside the FMC version 7.2</P><P>Lav Kumar</P> Thu, 19 Jan 2023 12:42:01 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4757774#M1096963 unifilNCC 2023-01-19T12:42:01Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4757912#M1096978 <P>VLAN IDs must be unique across different subinterfaces.</P> Thu, 19 Jan 2023 15:24:39 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4757912#M1096978 Marvin Rhoads 2023-01-19T15:24:39Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758008#M1096989 <P>Hi marvin,</P><P>Unique Vlan ID meaning, you mean to create same Vlan ID in Diferent subinterfaces.. which is not allowed in the FMC.</P><P>let me make it more clear about my challenge: i am trying to configure with inside interface as trunk allowing Vlan 3,4 ,5&nbsp; &nbsp;than pass the same to outside interface with the same Vlan 3,4,5&nbsp; 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.</P> Thu, 19 Jan 2023 17:44:36 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758008#M1096989 unifilNCC 2023-01-19T17:44:36Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758015#M1096990 <P>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?</P> Thu, 19 Jan 2023 17:48:50 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758015#M1096990 Marvin Rhoads 2023-01-19T17:48:50Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758019#M1096991 <P>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..?/</P> Thu, 19 Jan 2023 17:51:56 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758019#M1096991 unifilNCC 2023-01-19T17:51:56Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758023#M1096992 <P>Any Advise how to do it , that will be appreciated.&nbsp;</P> Thu, 19 Jan 2023 18:07:19 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758023#M1096992 unifilNCC 2023-01-19T18:07:19Z https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758883#M1097013 <P>If you search google for Cisco Live presentation BRKSEC-2020, you will see a simple explanation on slides 169-172.</P> Fri, 20 Jan 2023 18:08:12 GMT https://community.cisco.com/t5/network-security/fmc-and-ftd-802-1-q-trunk-with-multiple-vlan/m-p/4758883#M1097013 Marvin Rhoads 2023-01-20T18:08:12Z