I have question about the inter vlan routing. Please see the diagram. I have a HP Switch V1910-24G which is connected to my Sophos XG v16.
I am using from HP Switch port#24 as default VLAN1 connected to Port1 of my Sophos XG Firewall. From the Port1 of my Sophos XG, I created the sub interfaces. Port1.1 for VLAN2 and Port1.2 for VLAN3.
If the PC1 connected to default VLAN1 I have an internet access using the switch as my default gateway. 172.16.16.254 But in VLAN2 and 3 If I am connected and using the switch as my gateways I don't have an Internet access. But if I configured in VLAN2 and VLAN3 the default gateway from Sophos XG VLAN2 and 3 I have connected to internet. Below are the configuration of my routing in HP Switch.
0.0.0.0 0.0.0.0 Static 10 172.16.16.16 Vlan-interface1 
127.0.0.0 255.0.0.0 Direct 0 127.0.0.1 InLoopBack0 127.0.0.1 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0 172.16.16.0 255.255.255.0 Direct 0 172.16.16.254 Vlan-interface1 172.16.16.254 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0 192.168.10.0 255.255.255.0 Direct 0 192.168.10.254 Vlan-interface2 192.168.10.254 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0 192.168.30.0 255.255.255.0 Direct 0 192.168.30.254 Vlan-interface3 192.168.30.254 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0
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