Configuring IP Addressing

IP Configuration

If you then wanted to multinet the default VLAN, you would do the following:

The secondary IP addresses in a VLAN are listed immediately after the primary IP address for the VLAN.

Figure 8-5. Example of Multinetting on the Default VLAN

N o t e

The Internet (IP) Service screen in the Menu interface (figure 8-1on page 8-6)

 

displays only the primary IP address for each VLAN. You must use the CLI

 

show ip command to display the full IP address listing for multinetted VLANs.

 

Removing or Replacing IP Addresses in a Subnetted VLAN. To

 

 

remove an IP address from a subnetted VLAN, use the “no” form of the IP

 

address command shown on page 8-9. Generally, to replace one IP address

 

with another, you should first remove the address you want to replace, and

 

then enter the new address. However, in a subnetted VLAN, if you remove the

 

primary IP address from a VLAN, the next sequential secondary IP address

 

becomes the primary address. If you later re-enter the former primary IP

 

address, the switch configures it as a secondary address. Thus, if you need to

 

change the primary IP address in a subnetted VLAN, you must remove the

 

secondary IP addresses configured for that VLAN before you replace the

 

primary address.

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