Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.100.0 - Page 962

Table 97. Recommended VRRP Advertise Intervals Recommended Advertise Interval Total VRRP Groups Less than 250 1 second Between 250 and 450 2-3 seconds Between 450 and 600 3-4 seconds Between 600 and 800 4 seconds Between 800 and 1000 5 seconds Between 1000 and 1200 7 seconds Between 1200 and 1500 8 seconds VRRP Configuration By default, VRRP is not configured. Groups/Interface Groups/Interface 12 24 36 48 84 100 120 Configuration Task List The following list specifies the configuration tasks for VRRP. • Creating a Virtual Router (mandatory) • Configuring the VRRP Version for an IPv4 Group (optional) • Assign Virtual IP Addresses mandatory) • Setting VRRP Group (Virtual Router) Priority (optional) • Configuring VRRP Authentication (optional) • Disabling Preempt (optional) • Changing the Advertisement Interval (optional) • Track an Interface or Object • Setting VRRP Initialization Delay For a complete listing of all commands related to VRRP, refer to Dell Networking OS Command Line Reference Guide. Creating a Virtual Router To enable VRRP, create a virtual router. In Dell Networking Operating System (OS), the virtual router identifier (VRID) identifies a VRRP group. To enable or delete a virtual router, use the following commands. • Create a virtual router for that interface with a VRID. INTERFACE mode vrrp-group vrid The VRID range is from 1 to 255. NOTE: The interface must already have a primary IP address defined and be enabled, as shown in the second example. • Delete a VRRP group. INTERFACE mode 962 Virtual Router Redundancy Protocol (VRRP)