Typical Vlan Application - Edge-Core ES3628EA User Manual

5.1.3.10 switchport ingress-filtering
Command: switchport ingress-filtering
no switchport ingress-filtering
Function: Enable the VLAN ingress rule for a port; the "no vlan ingress disable"
command disables the ingress rule.
Command mode: Interface Mode
Default: VLAN ingress rules are enabled by default.
Usage Guide: When VLAN ingress rules are enabled on the port, when the system
receives data it will check source port first, and forwards the data to the destination port if
it is a VLAN member port.
Example: Disable VLAN ingress rules on the port
Switch(Config-Ethernet0/0/1)# no switchport ingress-filtering

5.1.4 Typical VLAN Application

Scenario:
Fig 5-2 Typical VLAN Application Topology
The existing LAN is required to be partitioned to 3 VLANs due to security and application
requirements. The three VLANs are VLAN2, VLAN100 and VLAN200. Those three
VLANs are cross two different location A and B. One switch is placed in each site, and
156