Table of Contents
Advertisement
18 Extended VLAN Functionality
18.4 Configuration of the inter-port relay blocking functionality
18.4.1 List of configuration commands
The following table describes the command used to configure the inter-port relay blocking
functionality.
Table 18-3 List of configuration commands
Command name
switchport isolation
18.4.2 Configuring the inter-port relay blocking functionality
The following describes how to set the inter-port relay blocking functionality. The example
settings correspond to the configuration in the figure.
In the example configuration, communication from port 0/1 to port 0/4 is blocked.
Communication is also blocked between ports 0/1 and 0/2. Port 0/3 can communicate with
any port.
Figure 18-3 Example settings for the inter-port relay blocking functionality
Points to note
The inter-port relay blocking functionality is set using the Ethernet interface
configuration mode by specifying a port to which communication from other ports is
not allowed. For each port to be blocked, communication needs to be blocked in both
directions.
Command examples
1.
(config)# interface fastethernet 0/1
290
Description
Blocks forwarding to the specified port.
Advertisement
Table of Contents
