Ericsson W3X manual Wireless LAN Connection, Change TCP Settings

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Troubleshooting

Indication/Symptom	What to do

application or specific type of data	that the ALG supporting the
applications.	Internet application is enabled.
	If the application requires UPnP
	IDG, check that UPnP IDG is
	enabled on the NAT page.
	A port forwarding rule might be
	required for a specific application.
	See section 3.7.3 – Port
	Forwarding.

7.4.1Change TCP Settings

To achieve maximum performance on the Internet connection some parameters in the TCP/IP stack of the client PC can be changed. These kinds of settings are hidden in the Windows registry, but there are some

tools that give user friendly access to them, for example “TCP Optimizer”,

http://www.speedguide.net/downloads.php

The following TCP settings are recommended to optimize the performance:

TCP Receive Window = 146000

Selective ACK:s = Yes

Max Duplicate ACK:s = 2

RFC1323 TCP Window Scaling = Yes (enabled)

Note: Windows Vista and recent versions of Linux kernels have automatic window scaling enabled by default and should not need any TCP tweaking.

7.5Wireless LAN Connection

Table 27 – Wireless LAN

Indication/Symptom	What to do

Cannot access the local network
from a wireless device.	Check that the WLAN	indicator
	on the front panel of the Ericsson
	W3x is on. If not, connect an
	Ethernet cable between the PC and
	the Ericsson W3x to establish a
	connection and enable the wireless
	LAN (disabled in the default

80	1/1551-CRH 102 168 Uen Rev A 2008-12-16

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Contents Ericsson W3x Series Trademark List CopyrightDisclaimer Contents LAN Troubleshooting Battery W35 onlyPC Configuration Telephony and Fax W35 onlyGlossary Introduction Structure of this GuideRelated Documents Product Variants Ericsson W30 Data RouterW30 Data Router Overview of Interfaces on the Ericsson W30W35 Data and Voice Router Feature SummaryWireless Broadband Services at Reliable High Speed Fax Service Local Wireless Access with High-level SecurityVoice Services Battery back-upHousing Back Side Interfaces10-28VDC ResetLabel Description Ethernet Label Description PhoneButton Left Side InterfacesInterface Type Description Front Panel Signal Quality IndicatorRight Side Interface 4.2 W30 LED Indicators Symbol Color Description4.3 W35 LED Indicators Built-in Ethernet Indicators Standby ButtonConfiguration and Management Access and Login to the Web User InterfaceEnter Password Enter PIN CodeInactivity Timeout Enter passwordEnter password page after inactivity timeout Overview OverviewAlarms Alarm cause DescriptionNetwork Information Wireless LAN Configuration Wizard Enable the Wireless LANWireless LAN Authentication Network NameWPA, WPA2 High security Open No securityWEP-64, WEP-128 Low security WPA/WPA2 Mixed High security OpenWireless LAN WEP 64 BIT WEP Encryption KeyWireless LAN WPA 3.3 WPA/WPA2 PassphraseWireless LAN WPA2 Wireless LAN Configuration Wizard Confirmation Internet InternetLink Status Service providerMobile Network Connection Details ModeDNS AuthenticationTraffic Statistics TextAuto APN PPP passwordAuthentication PPP user nameUnblock SIM Unlock Operator LockText Description Region Cellular Band SelectionChange PIN 3G Settings 2G SettingsLAN LAN IP AddressDhcp Server From Text Description Enable Dhcp serverIP address range IP address range toLAN Port Status LeasesWireless LAN Enable WlanRadio Channel Transmit Power dBmRegion Data RateNetwork Name Scan for Wireless NetworksText Description MAC Address ChannelWlan Security Enable Ssid broadcastNetwork Name Ssid Text Description Network name SsidWEP and WEP Encryption Key Low security 8.3 WPA/WPA2 and Passphrase High securityConnected Devices WhitelistFind a Wireless Client MAC Address Add Clients to the WhitelistNAT NATApplication Protocol Port Number UPnP IGDApplication Level Gateways Server IP Port ForwardingText Description NAT Port Server PortApplication Server Port Port Forwarding ExampleEdit Port Forwarding Rule Delete Port Forwarding RuleFile and Printer Sharing How it WorksSafe Removal of a USB Device Host Name and WorkgroupFile Sharing Share name Printer SharingText Description Storage device Shared printer description System SystemConfiguration Backup and Restore Basic System InformationRestore from Backup File System RestartSoftware Update Restart Progress MessageFactory Reset Software update completeConfiguration and Management Event Log Event LogChange Password Persistent LoggingLogout SIM Authentication Telephony and Fax W35 onlyPIN required Information TonesName PUK requiredInstallation of the Battery Battery FunctionWindows XP IP SettingsObtain IP Settings Automatically Windows Prepare the Wireless Clients Wireless LAN SettingsConfigure Static IP Address Install the Wireless LAN InterfaceUSB Sharing Settings Configure Access to the W3x WlanCheck Workgroup Settings Access a Shared Storage Device Set Up a Connection to a Shared Storage DeviceAccess a Shared Printer Printer Supporting the Samba Protocol Printer Supporting the RAW ProtocolSelect Do not share this printer option and click Next Finish in the Add Printer WizardReset to Factory Default Settings RestartLAN Connections User Internet AccessIndication/Symptom What to do IP address is definedWireless LAN Connection Change TCP SettingsConfiguration Access to Shared Files or Printer AnsiTelephony and Fax Service W35 only Pstn Cdma Code Division Multiple Access AP Access PointAPN Access Point Name Chap Challenge-Hanshake Authentication ProtocolHspa High Speed Packet Access Dhcp Dynamic Host Configuration ProtocolGprs General Packet Radio Service Dhcp serverImei International Mobile Equipment Identity MAC address Media Access Control addressElectronics Engineers IP Internet ProtocolPC Personal Computer Pstn Public Switched Telephone NetworkPassphrase PIN Personal Identification NumberUmts Universal Mobile Telecommunications Service Ssid Service Set IdentifierSwitching SubnetWlan Wireless Local Area Network WEP Wired Equivalent PrivacyWireless WPA Wi-Fi Protected Access