Multiple VLANS one Gateway

[ade1dapo2]

Hello Seniors,

I have to deploy multiple VLANS within a subnet but all must use a single default gateway.

Vlan 10-172.19.8.1

Vlan 20-172.19.9.1

Vlan 30-172.19.11.1

Vlan 40-172.19.12.1

Vlan 50-172.19.13.1

All vlan above must use a single default gateway-172.19.10.1

Please help with possible configuratio

[Revelation78]

Trying to get a better understanding of what you are trying to achieve...

Am I correct in assuming that all VLANs are /24 subnets?

Vlan 10-172.19.8.1 (172.19.8.0/24)

Vlan 20-172.19.9.1 (172.19.9.0/24)

Vlan 30-172.19.11.1 (172.19.11.0/24)

Vlan 40-172.19.12.1 (172.19.12.0/24)

Vlan 50-172.19.13.1 (172.19.13.0/24)

It reads as though you are trying to send all traffic to 172.19.10.1. Is the 172.19.10.1 another subnet somewhere on your network - say a L3 link to a router or a FW type device?

<OR>

Do you have say a 172.19.8.0/21 that you have subnetted into multiple VLANs/Subnets and want all separate VLANs to use a gateway for another VLAN that you did not include in the list already? 

[ade1dapo2]

Thank you for the response,i have a router 2700 router that will be doing the job.

the 172.19.10.1 is also another VLAN

As you have said, i currently have a 172.19.8.0/21 that i have subnetted into multiple VLANs/Subnets and want all separate VLANs to use a gateway for another VLAN-172.19.10.1.

Thanks as i await your comment 

[Revelation78]

With my understanding of your situation it simply will not work that way. 

My understating:

***ROUTER*** ----------- ***SWITCH***

VLAN'X' 172.19.10.1            VLAN'X'

                                                  Other VLANs

You would be better suited to configure Dot1Q trunking on your router and have the DG for all VLANs live there. That would give you the routing into and out of each VLAN. 

[ade1dapo2]

Thanks for the feedback,will the dot1q trunking allow all VLAN to communicate with eachother back and forth?Is there any other configuration to be done that will make the VLAN's talk to each other with all having different default gateway?

Please note that all servers are all on Vlan-172.19.10.1

[Revelation78 · Accepted solution]

Yes they will be able to communicate. Each VLAN's default-gateway will live on the Router and those networks will be directly attached to the router thus populating the routing table for said routes.