Remote AP
Operation
Setting
Forward Mode Setting
backup ESSID is only up
when the
switch is
unreachable.
Supports PSK
ESSID only.
SSID
configuration
stored in flash
on AP.
Provides a
backup SSID for
local access only
when the switch
is unreachable.
Not supported Not supported Not supported
persistent ESSID is up
when the AP
contacts the
switch and
stays up if
connectivity is
disrupted with
the switch.
SSID
configuration
obtained from
the switch.
Designed for
802.1X SSIDs.
Same behavior
as standard,
described below,
except the ESSID
is up if
connectivity to
the switch is lost.
Not supported Not supported Not supported
standard ESSID is up only
when there is
connectivity
with the switch.
SSID
configuration
obtained from
the switch.
Behaves like a
classic Alcatel-
Lucent branch
office AP.
Provides a
bridged ESSID
that is configured
from the switch
and stays up if
there is switch
connectivity.
Split tunneling
mode
Classic Alcatel-
Lucent thin AP
operation
Decrypt tunnel
mode
Working in Fallback Mode
The fallback mode (also known as backup configuration) operates the remote AP if the master switch or the
configured primary and backup LMS are unreachable. The remote AP saves configuration information that
allows it to operate autonomously using one or more SSIDs in local bridging mode, while supporting open
association or encryption with PSKs. You can also use the backup configuration if you experience network
connectivity issues, such as the WAN link or the central data center becoming unavailable. With the backup
configuration, the remote site does not go down if the WAN link fails or the data center is unavailable.
You define the backup configuration in the virtual AP profile on the switch. The remote AP checks for
configuration updates each time it establishes a connection with the switch. If the remote AP detects a change,
it downloads the configuration changes.
The following remote AP backup configuration options define when the SSID is advertised (refer to Table 157
for more information):
n Always—Permanently enables the virtual AP. Recommended for bridge SSIDs.
n Backup—Enables the virtual AP if the remote AP cannot connect to the switch. This SSID is advertised until
the switch is reachable. Recommended for bridge SSIDs.
AOS-W 6.5.3.x | User Guide Remote Access Points | 711
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