Nortel 6120 Fundamentals page 99

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Copyright © 2007, Nortel Networks
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comes back into range of the network. This check takes only five to
seven seconds and ensures that all wireless handsets in the network
are kept up-to-date with the same version of firmware.
Note: It does not matter if the firmware version on the TFTP Server
is newer or older; if the versions are different, the wireless handsets
download the firmware from the TFTP Server.
OAI Server IP—the IP address of the WLAN Application Gateway 2246
(if using). If using Static IP configuration, this is simply the IP address
of the WLAN Application Gateway 2246. If DHCP is being used, the
wireless handset tries DHCP option 152.
Default Gateway and Subnet Mask—used to identify subnets when
using a complex network that includes routers. Both of these fields must
be configured (not configured to 0.0.0.0 or 255.255.255.255) to enable
the wireless handset to contact any network components on a different
subnet. They can be configured using Static IP configuration or through
DHCP options 3 (Default Gateway) and 1 (Subnet Mask) respectively.
Contact the network administrator for the proper settings for the network.
Note: The wireless handsets cannot roam across subnets, because the
wireless handsets cannot change their IP address while operational.
Ensure that all the APs are attached to the same subnet for proper
operation. The wireless handset can change subnets if DHCP is
enabled, and the wireless handset is powered off, and then back on,
when within range of APs on the new subnet.
Server 2 IP—the IP address of the secondary Nortel device. Currently,
the wireless handset does not make use of this information. If using
Static IP configuration, this is simply the IP address of the device. If
DHCP is being used, the wireless handset tries to obtain the IP address
and port information of the device using the following DHCP options:
46, 128, 144, 157, 191, and 251.
Server 2 Port—the port number used by the secondary Nortel device
to communicate with IP phones. Currently, the wireless handset does
not make use of this information. If using Static IP configuration, consult
the device documentation for port numbers. If DHCP is being used, the
wireless handset tries to obtain the IP address and port information of
the device using the following DHCP options:
43, 128, 144, 157, 191, and 251.
Syslog Server IP—the address of the Syslog Server. See
Tools" (page 133)for more information.
Nortel Communication Server 1000
WLAN Handsets Fundamentals
NN43001-505 01.04 Standard
Release 5.0 4 September 2007
WLAN Handset 2210/2211/2212 99
"Diagnostic