Hi gang. I have an SG330 with a basic configuration:
eth0 - WAN
eth1 - Net1 (10.0.1.0/24)
eth3 - Net3 (10.0.3.0/24)
eth7 - VLAN105/VLAN106 (Nets 10.0.5.0/24 and 10.0.6.0/24 across a bridge between buildings)
eth5 - Net7 (10.0.7.0/24)
Net1 is the primary subnet, where all servers and shared network resources reside. Other subnets compartmentalize different departmets workstations.
Firewall rules are in place to allow workstations to access servers on Net1.
Each department subnet has NAT to internet.
All the above are working with one exception. I cannot ping between subnets. All internal subnets are open to the others. All ICMP parameters in Firewall > ICMP with exception of Allow ICMP through Gateway from external networks and log ICMP redirects are checked.
First firewall rule is "Internal Nets" > "any"+"ping" > "internal Nets" but, no ping across subnets. Checked and selectively disabled intrusion protection and Application control. No change. Any ideas where to look next?
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