Avaya G430 Manual page 292

WAN interfaces
3. The third step is to configure a track list object tracker which tracks the states of
Typical object tracking applications
• Trigger the failover mechanism for VPN. See
object tracking
• Trigger the failover mechanism for interfaces. See
WAN FastEthernet interface
policy-based routing
• Track the state of a route: a static route, a PBR next hop, or the DHCP client default route.
For an example of how to track the DHCP client default route, see
tracking the DHCP client default route
Related topics:
Typical application – VPN failover using object tracking
Typical application – backup for the WAN FastEthernet interface
Typical application – interface backup using policy-based routing
Typical application – tracking the DHCP client default route
In this application, the Branch Gateway is connected to a remote site through an IPSec VPN
tunnel. The remote site can be reached through two or more VPN gateways that can back
each other up, such as a main gateway and a backup gateway. Object tracking can monitor
the state of the current VPN connection, by monitoring one or more hosts that reside within
the remote site's network. If the current connection is lost, the Branch Gateway can failover to
a backup gateway, and attempt to establish a VPN connection to it.
A typical application of this type is described in full in
page 542.
292 Administering Avaya G430 Branch Gateway
object trackers 1 and 2, and calculates its own state using a boolean or threshold
calculation.
In this case, a Boolean OR argument is used. This means that the track list is up if
either object tracker 1 or object tracker 2 is up. For example:
Gxxx-001(config)# track 10 list boolean or
Gxxx-001(config-track list 10)# description "track list rtr-5 and rtr-6"
Done!
Gxxx-001(config-track list 10)# object 1
Done!
Gxxx-001(config-track list 10)# object 2
Done!
Gxxx-001(config-track list 10)# exit
on page 292.
on page 294.
Typical application – VPN failover using object tracking
Comments? infodev@avaya.com
Typical application – VPN failover using
on page 293, and Typical application – interface backup via
on page 296.
Failover using a peer-group
Typical application – backup for the
Typical application –
on page 292
on page 293
on page 294
on page 296
on
October 2013