PLANET SG-4800 User Manual
Page 171
Gigabit SSL VPN Security Router User’s Manual
device can keep DHCP functioning and there will be no LAN disconnection.
LAN IP of the backup
device
Input LAN IP of Master mode, which is backed up.
MAC Address of the
backup device
Input Master device MAC address, which is backed up.
Status
“Status- Normal” indicates the status is idle. Master device operates normally.
“Status- Backup” indicates the device takes over all the network transmitting. The
status will return to “Normal” when Master device boots normally and send a
message to the backup device. Then, the status will return to Normal, which the
backup device remains idle.
Two devices are operating simultaneously:
Item
Description
Operation-Master Mode Besides operating network with another device, Master device is also the DHCP
server to issue LAN IP addresses. Although Slave device also supports outbound
linking, its DHCP server is disabled.
WAN Backup
(The Checked WANs
are not working in this
device.)
The checked WANs will works in the other device. For an example, if WAN1 and
WAN2 work in this device, and WAN3 and WAN4 work in the other device, WAN3
and WAN4 should be checked.
LAN Gateway Backup
Input LAN IP of Slave device. The IP should be different from LAN IP of Master
device.
MAC Address of the
Input LAN MAC of Slave device. It should be different from LAN MAC of Master
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