Configuring IP IP Configuration
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 15-19
• When the threshold of 95% is met on a particular NI, the IP interface/VLAN with the lowest amount of
ARPs will be moved first. The entire set of ARPs from a particular IP interface/VLAN is moved in
case of NI overload.
IP Configuration
IP is enabled on the switch by default and a few options that can, or need to be, configured. This section
provides instructions for basic IP configuration options.
Configuring the Router Primary Address
By default, the router primary address is derived from the first IP interface that becomes operational on the
router. if the router ID is not a valid IP unicast address, the router primary IP address is used by BGP to
derive its unique BGP Identifier.
Use the ip router primary-address command to configure the router primary address. Enter the
command, followed by the IP address. For example, to configure a router primary address of
172.22.2.115, you must enter:
-> ip router primary-address 172.22.2.115
Configuring the Router ID
By default, the router primary address of the router is used as the router ID. However, if a primary address
has not been explicitly configured, the router ID defaults to the address of the first IP interface that
becomes operational.
Use the ip router router-id command to configure the router ID. Enter the command, followed by the IP
address. For example, to configure a router ID of 172.22.2.115, you would enter:
-> ip router router-id 172.22.2.115
There is no CLI command to remove a configured router ID. In order to remove the router ID, it must be
set back to the default value by performing the following:
1 Take the last 4 octets of the chassis MAC address, use the show chassis command.
2 Convert them to a decimal IPv4 address.
3 Set the router ID to that address.
4 The router ID will no longer show up in the configuration snapshot.
For example, if the chassis MAC address is 00:e0:b1:28:1c:89, the last 4 octets are b1:28:1c:89.
Converting to decimal results in the IP address of 177.40.28.137. Configure the router ID to that IP
address, for example:
-> ip router router-id 177.40.28.137
The router ID will now no longer be displayed in the configuration snapshot.
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