Summary of WAN configuration verification commands
For more information about these commands, see the Avaya Branch Gateways G250 and
G350 CLI Reference.
For more information about these commands, see the Avaya Branch Gateway G430 CLI
Reference.
Command Description
ping Check host reachability and network connectivity
show interfaces Display interface configuration and statistics for a particular
interface or all interfaces
show ip interface Display information about an IP interface
show traffic-shape Display traffic shaping configuration information
Backup interfaces
You can configure backup relations between a pair of any Layer 2 interfaces, except the VLAN
interface. A backup interface is activated when the primary interface fails. The backup interface
is deactivated when the primary interface is restored. A Dialer interface, FastEthernet interface,
GRE tunnel interface, or Loopback interface can serve as a backup interface to a FastEthernet
interface, GRE tunnel interface, or Loopback interface on the same module.
Note:
If the FastEthernet interface serving as a backup interface is configured as a DHCP client,
it sends no DHCP packets. Therefore, its IP address is not renewed until it becomes the
primary interface. If the FastEthernet interface serving as a primary interface is configured
as a DHCP client, the expiration of the leases on its IP address or no reception of an IP
address does not cause activation of the backup interface.
Related topics:
Backup delay configuration on page 256
Interface backup relations rules on page 257
Summary of backup interfaces commands on page 257
Backup delay configuration
Configurable activation and deactivation delays provide a damping effect on the backup
interface pair. This eliminates primary-to-backup switching in case of fluctuating underlying
WAN interfaces
256 Administering Avaya G430 Branch Gateway October 2013
Comments? infodev@avaya.com
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