Cisco 11503 - CSS Content Services Switch Specifiche Scaricare il pdf (Pagina 60)

Chapter 1 Configuring Interfaces and Circuits

Configuring Circuits

1-32

Cisco Content Services Switch Routing and Bridging Configuration Guide

OL-8241-02

Configuring a Circuit IP Address

To assign an IP address to a circuit, use the ip address command. Enter the IP

address and a subnet mask in CIDR bit-count notation or a mask in dotted-decimal

notation. The subnet mask range is 8 to 31.

For example, to configure an IP address and subnet mask for VLAN7, enter:

(config-circuit[VLAN7])# ip address 172.16.6.58/8

When you specify an IP address, the mode changes to the specific

circuit-ip-VLAN-IP address as shown:

(config-circuit-ip[VLAN7-172.16.6.58])#

Note The CSS automatically sends a gratuitous ARP for the IP interface address when

you assign an IP address to a circuit. The gratuitous ARP informs all network

nodes about ARP mapping. The CSS transmits one ARP request packet and one

ARP reply packet for every gratuitous ARP invocation.

To remove a local IP address from a circuit, enter the following command from

circuit mode:

(config-circuit[VLAN7])# no ip address

Configuring a Circuit-IP Broadcast Address

To change the broadcast address associated with a circuit, use the broadcast

command. If you leave the broadcast address at zero, the all-ones host is used for

numbered interfaces.

The default broadcast address is an all-ones host address (for example, IP address

172.16.6.58/24 has a broadcast address of 172.16.6.58/255). This command is

available in IP configuration mode.

For example, to change the broadcast address on circuit VLAN7, enter:

(config-circuit-ip[VLAN7-172.16.6.58])# broadcast 0.0.0.0

To reset the broadcast IP address to the default all-ones host address, enter:

(config-circuit[VLAN7-172.16.6.58])# no broadcast

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Cisco 11503 - CSS Content Services Switch Specifiche Pagina 60