same subnet multiple VRs not working

mmercald — Wed, 18 Sep 2024 00:58:30 GMT

I am trying to setup SDWAN, however this firewall currently has several Site to Site VPNS which causes an error on deploying site to site vpns. I am trying to setup a second WAN address to be usedonly for SD WAN. Currently my public ip is 2.2.2.2/24 on ethernet1/2. I converted it to a trunk vlan 2 (2.2.2.0/24) as the native vlan and the tagged vlan. On the firewall I now have untagged 2.2.2.2/24 and tagged 2.2.2.3/24 on different virtual routers. 2.2.2.2 is in VR1 and 2.2.2.3 is in VR2. 2.2.2.2 is fine, however even though my internet router (2.2.2.1) is getting an arp for 2.2.2.3, I am not getting an arp for 2.2.2.1 on my subinterface for 2.2.2.3. Any idea how to get 2.2.2.3 working?

Re: same subnet multiple VRs not working

SutareMayur — Sun, 20 Oct 2024 05:50:30 GMT

Hi @mmercald

Can you confirm your configuration on router interface side? I am suspecting some VLAN configuration to be flowed / allowed on router side.

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same subnet multiple VRs not working

Re: same subnet multiple VRs not working