Wireless printer service process
Process overview of service for a wireless printer:
Procedure
- Wireless Printer 1 sends an mDNS response advertising printer service in Switch 1 on VLAN 1.
- Switch 1 has no inbound filter in VLAN 1. The global filter set to permit all.
- Switch 1 checks the outbound filter in VLAN 1. As there is no specific outbound filter, the global status is permit all. It will flood the packet in VLAN 1 except the source port.
- iPhone 1 in VLAN 1 receives the service announcement.
- Switch 1 checks the reflection status. Reflection is enabled on VLAN 2 and 3.
- Switch 1 checks the outbound filter in VLAN 2. As there is no specific outbound filter, it will forward the service announcement in VLAN 2.
- Default action permit all.
- Switch 1 checks the outbound filter in VLAN 3. The outbound filter is set to deny wireless printer therefore the packet will not be forwarded to VLAN 3.
- Switch 3 receives the service advertisement in VLAN 2. It will flood the packet in VLAN 2 except the source port.
- Host 2 in Switch 3 receives the service announcement.