Vlan to Vlan traffic.

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ianfenton

Reputable
Jun 16, 2014
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Hi Still a newbie at VLANs!
Switches Im working on have all been configured previously. I need a new VLAN.
I have created a VLAN 290 on the stack (192.168.241.254 (GW))
On that switch I have connected my Windows server and untagged the ports needed. I can get a ip address from the DHCP on the server. My issue is that I have another switch previously configured and is routing between VLANs. I want to allow a port on this switch in the other location to get an ip address from the DHCP server in the 192.168.241.0 range. There is also a sonicwall in the mix.
Do I have to create a rule route on the sonicwall to allow traffic through or can this be done switch to switch?
I can ping the stack 192.168.35.1 from the remote switch and I put in a route on the remote switch for 192.168.241.0 go to 192.168.35.1.
Any pointers would be very helpful.

Regards

Ian
 
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B
If you want to place ports on the other switch in your new vlan you are going to have to build a 802.1q trunk between them. It generally is as simple as putting both tags on the port that connects the switches but the cabling forces you to run the traffic though the firewall you are likely going to have to also find a way to tag this data thought the firewall. It will likely require you to substantially change your design because firewall prefer to run layer 3 but most you can force to run layer 2 for some traffic if you like. I would run a cable directly between the switches if you have that option.
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bill001g

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Aug 9, 2012
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If you want to place ports on the other switch in your new vlan you are going to have to build a 802.1q trunk between them. It generally is as simple as putting both tags on the port that connects the switches but the cabling forces you to run the traffic though the firewall you are likely going to have to also find a way to tag this data thought the firewall. It will likely require you to substantially change your design because firewall prefer to run layer 3 but most you can force to run layer 2 for some traffic if you like. I would run a cable directly between the switches if you have that option.
 
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