F3215-HP Load Balancing Module High Availability Configuration Guide-6PW101

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Associating track with interface management
The interface management module monitors the physical status or network-layer protocol status of the
interface. The interface management module functions as follows when it is associated with a track entry:
• When the physical or network-layer protocol status of the interface changes to up, the interface
management module informs the track module of the change and the track module sets the track
entry to Positive.
• When the physical or network-layer protocol status of the interface changes to down, the interface
management module informs the track module of the change and the track module sets the track
entry to Negative.
To associate track with interface management:
Ste
p
Command Remarks
1. Enter system view. system-view N/A
2. Associating track
with interface
management.
• Create a track entry, associate it with the
interface management module to monitor the
physical status of an interface, and specify the
delay time for the track module to notify the
associated application module when the track
entry status changes:
track track-entry-number interface interface-type
interface-number [ delay { negative
negative-time | positive positive-time } * ]
• Create a track entry, associate it with the
interface management module to monitor the
Layer 3 protocol status of an interface, and
specify the delay time for the track module to
notify the associated application module when
the track entry status changes:
track track-entry-number interface interface-type
interface-number protocol { ipv4 | ipv6 } [ delay
{ negative negative-time | positive
positive-time } * ]
Use either approach.
No track entry is created by
default.
Associating the track module with an application
module
Associating track with VRRP
VRRP is an error-tolerant protocol. It adds a group of routers that can act as network gateways to a VRRP
group, which forms a virtual router. Routers in the VRRP group elect the master acting as the gateway
according to their priorities. A router with a higher priority is more likely to become the master. The other
routers function as the backups. When the master fails, the backups in the VRRP group elect a new
gateway to undertake the responsibility of the failed master. This ensures that the hosts in the network
segment can uninterruptedly communicate with external networks.
When VRRP is operating in standard protocol mode or load balancing mode, associate the track module
with the VRRP group to implement the following actions: