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VLAN Traffic Issues

Hello,

I have XG Home setup on a server connected to a Cisco switch that has several VLANs configured.  Everything works great, I've created the VLANs within Sophos as sub-interfaces on Port1 as follows:

Port 1: 172.30.1.1
Port 1.10: 172.30.10.1
Port 1.20: 172.30.20.1
Port 1.30: 172.30.30.1

And so on.

My switch is 172.30.1.10 and from the CLI of the firewall I can SSH to the switch but I can't from my workstation on VLAN 20 (Port 1.20).  I figured I would start with the basics and setup rules to allow me to ping to get a feel for how it all worked.... this is where I'm having an issue.  The following rule works without any issues (as expected):

Accept "ICMP" and " ICMPv6" services going to "LAN" zone, when in "LAN" zone, and coming from any network

When I try and restrict the source to VLAN 20 no traffic goes through at all - this is the rule:

Accept "ICMP" and " ICMPv6" services going to "LAN" zone, when in "LAN" zone, and coming from "#Port1.20" network


To me that reads anything on the network should be pingable from VLAN 20 but it's not.  As soon as I re-enable the first rule though pings works fine.  I suspect I'm missing something basic here.  Any help would be appreciated.



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