Cisco Cisco Email Security Appliance C160 Guía Del Usuario
Chapter 7 Advanced Network Configuration
7-452
Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
NIC Pair Naming
When creating NIC pairs, you must specify a name to use to refer to the pair. NIC
pairs created in versions of AsyncOS prior to version 4.5 will automatically
receive the default name of ‘Pair 1’ following an upgrade.
pairs created in versions of AsyncOS prior to version 4.5 will automatically
receive the default name of ‘Pair 1’ following an upgrade.
Any alerts generated regarding NIC pairing will reference the specific NIC pair
by name.
by name.
Configuring and Testing NIC Pairing/Teaming
Once you have verified your ethernet media setting, use the
etherconfig
command to configure NIC pairing. You will be prompted for a name to use to
refer to the pair.
refer to the pair.
The
failover
sub-command switches the active interface. The system will not
automatically switch back to the primary NIC when it comes back on line and the
backup interface will remain active in that case until you explicitly switch the
system back over to the primary NIC (by using the
backup interface will remain active in that case until you explicitly switch the
system back over to the primary NIC (by using the
failover
command) or unless
the backup NIC has a failure. See
Use the
delete
subcommand to remove NIC pairs.
When configuring NIC pairing, keep in mind that all configuration changes
require a commit, except for
require a commit, except for
failover
. The
failover
command force a failover
during the next polling interval which is every 15 seconds once NIC pairing
configuration has been committed.
configuration has been committed.
NIC Pairing and Existing Listeners
If you enable NIC pairing on an interface that has listeners assigned to it, you are
prompted to either delete, reassign, or disable all listeners assigned to the backup
interface.
prompted to either delete, reassign, or disable all listeners assigned to the backup
interface.