Nortel Networks 620 User Manual

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Chapter 3
Configuration via Local Pages
E-DOC-CTC-20051017-0169 v0.1
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3.5.3 Peer Descriptors Page
Descriptors
page layout
Peer Security Descriptor contains the methods for message authentication, 
encryption and hashing, and the lifetime of the IKE Security Association.
The Peer Descriptors page allows you to manage Peer Security Descriptors.
A number of Peer Security Descriptors are pre-configured in the SpeedTouch™. 
You can verify and modify the contents of the pre-defined Security Descriptors or 
define your own Security Descriptors.
Parameter table
The following table summarizes the parameters comprised in the peer security 
descriptor:
Peer Descriptor name
This name is used internally to identify the Peer Security Descriptor. This name 
appears in the Descriptor lists on the Peer Profiles page.
Parameter
Description
Descriptor name
Symbolic name to identify the Descriptor.
Crypto
Cryptographic function used for encrypting the IKE 
messages.
Integrity
Hashing function used for message authentication
Group
Diffie-Hellman group for key exchange
Lifetime-secs
The lifetime of the IKE Security Association. At 
expiration of this period re-keying occurs.