ISAKMP Protocol Policy Mode Commands
14-96 Configuring the VPN
Next Mode
ISAKMPprotocolproposalconfiguration:XSR(config-isakmp)#
Example
Thefollowingexampleconfigurestwopoliciesforthepeer:
XSR(config)#crypto isakmp proposal 57
XSR(config-isakmp)#hash md5
XSR(config-isakmp)#authentication rsa-sig
XSR(config-isakmp)#group2
XSR(config-isakmp)#lifetime 5000
XSR(config)#crypto isakmp policy 99
XSR(config-isakmp)#authentication pre-share
XSR(config-isakmp)#lifetime 10000
Theaboveconfigurationresultsinthefollowingpolicies:
XSR# show crypto isakmp proposal
Name Authentication Encrypt Integrity Group Lifetime
57 RSASignature DES HMAC-MD5 Modp1024 5000
99 PreSharedKeys DES HMAC-SHA Modp768 10000
DEFAULT RSASignature DES HMAC-SHA Modp768 86400

authentication

ThiscommandspecifiestheauthenticationmethodusedwithinanIKEproposal(policy).
Syntax
authentication {rsa-sig | pre-share}
Syntax of the “no” Form
Thenoformofthiscommandresetsauthenticationtothedefault:
no authentication
Default
rsasig
Mode
ISAKMPprotocolpolicyconfiguration:XSR(config-isakmp)#
Example
ThisexamplespecifiesRSAsignaturesauthenticationforIKEproposalACMEproposal:
XSR(config)#crypto isakmp proposal ACMEproposal
XSR(config-isakmp)#authentication rsa-sig
rsa-sig RSAsignaturespublickeyauthenticationmethod.
pre-share Presharedkeysauthenticationmethod.