3Com OfficeConnect 3C857 User Manual

Also see for 3CRWE51196 - OfficeConnect Wireless Cable/DSL Gateway: Using Setting up Installation guide Supplementary guide User guide

Contents

3Com OfficeConnect 3C857 User Manual Manual pdf 50 page image

50 CHAPTER 5: GATEWAY C ONFIGURATION■ Passphrase - This is another common method and similar to the 3ComEncryption string. In 64 bit WEP, the passphrase will generate 4different keys. However, in 128 bit WEP, this method only generates 1key which is replicated for all 4 keys. The passphrase can be up to 31characters long and may contain any alphanumeric characters.Select from the drop down list the key generation method you wish touse. If you have other wireless products choose the scheme that iscompatible with these, then enter the appropriate information.If you encounter any difficulty when you enable WEP ensure that youcheck that each key on your wireless computer is exactly the same aseach key on your Gateway. In other words, Key number 1 on the Wirelesscomputer must have the same Hex number as Key number 1 on theGateway, Key 2 on the Wireless computer must match Key 2 on theGateway and so on.The Active Transmit Key selects which of the 4 Keys the Gateway useswhen it transmits. You can change the selected key periodically toincrease the security of your network.Some wireless adapters have only one key available on their WEPconfiguration page. If this is the case ensure it is the same as Key 1 on theGateway and that it is selected as the active transmit key.Connection Control Figure 36 Connection Control ScreenA higher level of security can be achieved for your wireless network if youuse both encryption and you specify only certain wireless computers canconnect to the Gateway. By default, any wireless computer that has the