Instrukcja obsługi Cisco Systems OL-8356-01

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CHAPTER 9
Phone Hardening
To tighten security on the phone, you can perform tasks in the Phone Configuration window in
Cisco CallManager Administration. This chapter contains information on the following topics:
• Disabling the Gratuitous ARP Setting, page 9-1
� Disabling Web Access Setting, page 9-1
� Disabling the PC Voice VLAN Access Setting, page 9-2
� Disabling the Setting Access Setting, page 9-2
� Disabling the PC Port Setting, page 9-2
� Configuring Phone Hardening, page 9-3
� Where t

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Chapter 9 Phone Hardening Disabling the PC Voice VLAN Access Setting Disabling the PC Voice VLAN Access Setting By default, Cisco IP Phones forward all packets that are received on the switch port (the one that faces the upstream switch) to the PC port. If you choose to disable the PC Voice VLAN Access setting in the Phone Configuration window of Cisco CallManager Administration, packets that are received from the PC port that use voice VLAN functionality will drop. Various Cisco IP

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Chapter 9 Phone Hardening Configuring Phone Hardening Configuring Phone Hardening Caution The following procedure disables functionality for the phone. To disable functionality for the phone, perform the following procedure: Procedure Step 1 In Cisco CallManager Administration, choose Device > Phone. Step 2 Specify the criteria to find the phone and click Find or click Find to display a list of all phones. Step 3 To open the Phone Configuration window for the device, click the device na

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Chapter 9 Phone Hardening Where to Find More Information Related Cisco Documentation Cisco IP Phone Administration Guide for Cisco CallManager Cisco CallManager Security Guide 9-4 OL-8356-01