DELL 9.7(0.0) User Manual
decreases based on the dynamics of the network, the advertisement intervals may increase or decrease
accordingly.
accordingly.
CAUTION: Increasing the advertisement interval increases the VRRP Master dead interval,
resulting in an increased failover time for Master/Backup election. Take caution when increasing
the advertisement interval, as the increased dead interval may cause packets to be dropped
during that switch-over time.
resulting in an increased failover time for Master/Backup election. Take caution when increasing
the advertisement interval, as the increased dead interval may cause packets to be dropped
during that switch-over time.
Table 72. Recommended VRRP Advertise Intervals on the Z9500
Recommended Advertise
Interval
Groups/Interface
Total VRRP Groups
Less than 250
1 second
12
Between 250 and 450
2–3 seconds
24
Between 450 and 600
3–4 seconds
36
Between 600 and 800
4 seconds
48
Between 800 and 1000
5 seconds
84
Between 1000 and 1200
7 seconds
100
Between 1200 and 1500
8 seconds
120
VRRP Configuration
By default, VRRP is not configured.
Configuration Task List
The following list specifies the configuration tasks for VRRP.
•
(mandatory)
•
(optional)
•
mandatory)
•
•
•
•
(optional)
•
•
For a complete listing of all commands related to VRRP, refer to Dell Networking OS Command Line
Reference Guide.
Reference Guide.
Creating a Virtual Router
To enable VRRP, create a virtual router. In the Dell Networking Operating System, the virtual router
identifier (VRID) identifies a VRRP group.
To enable or delete a virtual router, use the following commands.
identifier (VRID) identifies a VRRP group.
To enable or delete a virtual router, use the following commands.
1002
Virtual Router Redundancy Protocol (VRRP)