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TCP Receive Window = 146000
Selective ACK:s = Yes
Max Duplicate ACK:s = 2
RFC1323 TCP Window Scaling = Yes
Note: Windows Vista and recent versions of Linux kernels have
automatic window scaling enabled by default and should not need
any TCP tweaking.
4.5 Wireless LAN Connection
Table 23 Wireless LAN
Indication/Symptom What to do
Check that the Wireless LAN
indicator on front panel of the
Ericsson W21 unit is lit. If not,
connect an Ethernet cable between
the PC and the Ericsson W21 to
establish a connection. The wired
connection is required for the initial
Wireless LAN configuration of the
Ericsson W21.
Cannot access the local network
from a wireless device.
Verify that the Wireless LAN
interface installed on the wireless
client is active.
Make sure that your Ericsson W21
network does not use the same
radio channel as other wireless
devices in the premises, for
example security systems. The
radio channel is displayed on the
Wireless LAN page. To avoid
interference, let the Ericsson W21
select a channel automatically
(Auto) or manually change the
radio channel currently used.
Keep the Ericsson W21 away from
electrical devices that disturb the
radio signals, for example
microwave ovens.
Verify that the network name
(SSID) on the Ericsson W21 and
74 1/1551-CRH 102 167 Uen Rev E 2008-02-15