Extensible Authentication Protocol; Reinstalling An Ip Phone 2004 - Nortel 2033 Installation And Operation Manual

Page 146 of 600

Extensible Authentication Protocol

Reinstalling an IP Phone 2004

553-3001-368 Standard 20.00
Nortel IP Phone 2004
thus manipulating the ARP table of the victim's machine. The malicious
device also launches a variety of attacks on the network, resulting in
undesired traffic routing. For example, a GARP attack can convince the
victim machine that the malicious device is the default gateway. In this
scenario, all traffic from the victim's machine flows through the malicious
device.
To enable GARP Protection during configuration, refer to Procedure 17,
"Configuring the IP Phone 2004" on
IP Phone 2004 for the first time using DHCP" on
Extensible Authentication Protocol (EAP) is a general protocol that fulfills
the protocol requirements defined by 802.1x. For further information on
802.1x, refer to Appendix C "802.1x Port-based network access control" on
page 493.
You can reinstall an existing previously configured IP Phone 2004 on the
same Call Server. For example, the IP Phone 2004 can be assigned to a new
user (new TN) or to an existing user who moved to a new subnet by changing
the TN of the IP Phone 2004.
Procedure 22
Changing the TN of an existing IP Phone 2004
1 Repower the IP Phone 2004.
Note: During the reboot sequence of a previously configured IP Phone,
the IP Phone 2004 displays the existing node number for approximately
five seconds.
2 If the node password is enabled and NULL, choose one of the following:
a. Disable the password.
b. Set the password as non-NULL.
December 2006
page 125 or Procedure 17, "Installing an
page 137.