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Basic IP parameters and defaults - Layer 3 switches
IP is enabled by default. The following IP-based protocols are all disabled by default:
• Routing protocols:
–
Routing Information Protocol (RIP)
– Open Shortest Path First (OSPF)
– Border Gateway Protocol version 4 (BGP4)
• Multicast protocols:
–
Internet Group Membership Protocol (IGMP)
– Protocol Independent Multicast Dense (PIM-DM)
– Protocol Independent Multicast Sparse (PIM-SM)
• Router redundancy protocols:
–
Virtual Router Redundancy Protocol Extended (VRRP-E)
– Virtual Router Redundancy Protocol (VRRP)
When parameter changes take effect
Most IP parameters described in this chapter are dynamic. They take effect immediately, as soon as you enter the CLI command or
select the Web Management Interface option. You can verify that a dynamic change has taken effect by displaying the running-config. To
display the running-config, enter the
show running-config or write terminal command at any CLI prompt. (You cannot display the
running-config from the Web Management Interface.)
To save a configuration change permanently so that the change remains in effect following a system reset or software reload, save the
change to the startup-config file:
• To save configuration changes to the startup-config file, enter the write memory command from the Privileged EXEC level of
any configuration level of the CLI.
• To save the configuration changes using the Web Management Interface, select the Save link at the bottom of the dialog. Select
Yes when prompted to save the configuration change to the startup-config file on the device flash memory. You also can access
the dialog for saving configuration changes by clicking on Command in the tree view, then clicking on Save to Flash.
Changes to memory allocation require you to reload the software after you save the changes to the startup-config file. When reloading
the software is required to complete a configuration change described in this chapter, the procedure that describes the configuration
change includes a step for reloading the software.
IP global parameters - Layer 3 switches
TABLE 2 IP global parameters - Layer 3 switches
Parameter Description Default
IP state The Internet Protocol, version 4 Enabled
NOTE
You cannot disable IP.
IP address and mask notation Format for displaying an IP address and its
network mask information. You can enable one
of the following:
• Class-based format; example:
192.168.1.1 255.255.255.0
Class-based
Basic IP parameters and defaults - Layer 3 switches
FastIron Ethernet Switch Layer 3 Routing
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