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M4300 Inter-VLAN routing not over default gateway
Hello Community, I need your help, please. Maybe this topic has already been discussed here, but unfortunately I have found nothing. I have two questions about the switch. 1. We have created 3...
OK thank you very much. I believe it won't work per your requirements with current static routing. I would revert back to pure Layer 2 installation of your VLAN 12 and your VLAN 21. These two VLANs should not be "routing VLANs" anymore and all their traffic should be sent to your firewall straight. A trunk with all VLANs should go to your firewall and your firewall should act as the gateway for VLAN 12 and VLAN 21. This way, your firewall rules will function normally. schumaku do you think the same?
The switches' management VLAN 254 can remain a routing VLAN, in order to let all services function normally in the switch. I hope this helps -
LaurentMa on a side note: Users are often confused because we tend to talk of "Inter-VLAN routing" in the documentation and the community. This does raise the impression that L3 routing can work "just" for the routing between the VLANs, while everything else can be covered the L2 way e.g. a VLAN traffic can be "routed" to a direct L2 connection.
learned routes
10.21.12.0 is an other VLAN 12 for other PCs on an other M4300 switch with the ip 10.21.254.241. Do you need any other information?
OK thank you very much. I believe it won't work per your requirements with current static routing. I would revert back to pure Layer 2 installation of your VLAN 12 and your VLAN 21. These two VLANs should not be "routing VLANs" anymore and all their traffic should be sent to your firewall straight. A trunk with all VLANs should go to your firewall and your firewall should act as the gateway for VLAN 12 and VLAN 21. This way, your firewall rules will function normally. schumaku do you think the same?
The switches' management VLAN 254 can remain a routing VLAN, in order to let all services function normally in the switch. I hope this helps -
I already thought so. Now I have also the proof. Thank you both for the clearing and the help!
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