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Configuring LAN/WiFi
Rev 3.0D May.10 35
VRRP
VRRP allows multiple routers to act as the default gateway router for a subnet
which reduces the possibility of a single point of failure. This is accomplished by
advertising a single virtual router to connected hosts. The physical router that is
currently handling traffic for the virtual router is designated as the master router.
Routers which are not handling traffic are backup routers.
This switchover occurs in 3 to 10 seconds. While IPsec client connections are
disconnected during this transition, users need only to reconnect without
changing the destination address of their connection profile.
Figure 7-8: ACEmanager: LAN/WiFi - VRRP
Alternate Primary
DNS
Alternate primary DNS address. This is optional. If the primary DNS is unavailable, this
DNS address will be used.
Alternate Secondary
DNS
Alternate secondary DNS address. This is optional. If the secondary DNS is unavailable,
this DNS address will be used.
Command Description
Command Description
Interface Interface displays one default VLAN and 3 VLAN IDs.
VLAN ID Displays your VLAN ID.
Group ID Enter VRRP Group ID.
VRRP routers in the master and slave have the same Group ID.
Priority VRRP decides whether the device is master or slave.
Greater value of priority indicates that the device is master.
Virtual IP If a Helix is configured with VRRP then the host connected to the Helix will display the Virtual
IP.
Virtual IP will become the VRRP routers device IP.
Mode Displays if the Helix is Master or Back-up.
The Priority number determines the master or back-up status.
Interval VRRP advertisement interval. Default is 1 second.