RTA:

[RTA]ike proposal 1

[RTA-ike-proposal-1]quit

[RTA]ike keychain keychain1

[RTA-ike-keychain-keychain1]pre-shared-key address 100.1.1.2 key simple h3c

[RTA-ike-keychain-keychain1]quit

[RTA]ike profile profile1

[RTA-ike-profile-profile1 ]keychain keychain1

[RTA-ike-profile-profile1]local-identity address 100.1.1.1

[RTA-ike-profile-profile1]match remote identity address 100.1.1.2

[RTA-ike-profile-profilel]proposal 1

[RTA-ike-profile-profile1]quit

[RTA]acl advanced 3000

[RTA-acl-ipv4-adv-3000] rule 5 permit ip source 10.1.1.0 0.0.0.255 destination 10.3.1.0 0.0.0.255

[RTA-acl-ipv4-adv-3000]quit

[RTA]ipsec transform-set tran1

[RTA-ipsec-transform-set-tranl]esp encryption-algorithm 3des-cbc

[RTA-ipsec-transform-set-tranl]esp authentication-algorithm md5

[RTA-ipsec-transform-set-tran1]quit

[RTA]ipsec policy policy1 1 isakmp

[RTA-ipsec-policy-isakmp-policy1-1]transform-set tranl

[RTA-ipsec-policy-isakmp-policy1-1]security acl 3000

[RTA-ipsec-policy-isakmp-policy1-1]remote-address 100.1.1.2

[RTA-ipsec-policy-isakmp-policy1-1]ike-profile profilel

[RTA-ipsec-policy-isakmp-policy1-1]quit

[RTA]interface GigabitEthernet 0/0

[RTA-GigabitEthernet0/0]ip address 10.1.1.2 255.255.255.0

[RTA-GigabitEthernet0/0]quit

[RTA]interface LoopBack 0

[RTA-LoopBack0]ip address 1.1.1.1 255.255.255.255

[RTA-LoopBack0]quit

[RTA]interface Serial 1/0

[RTA-Serial1/0]ip address 10.2.1.1 255.255.255.0

[RTA-Serial1/0]quit

[RTA]interface Tunnel1 mode gre

[RTA-Tunnel1]ip address 100.1.1.1 255.255.255.0

[RTA-Tunnel1]source 1.1.1.1

[RTA-Tunnel1]destination 2.2.2.2

[RTA-Tunnel1]ipsec apply policy policy1

[RTA-Tunnel1]quit

[RTA]ip route-static 2.2.2.2 255.255.255.255 10.2.1.2

[RTA]ip route-static 10.3.1.0 255.255.255.0 Tunnel 1

RTB:

[RTB]ike proposal 1

[RTB-ike-proposal-1]quit

[RTB]ike keychain keychain1

[RTB-ike-keychain-keychainl]pre-shared-key address 100.1.1.1 key simple h3c

[RTB-ike-keychain-keychain1]quit

[RTB]ike profile profilel

[RTB-ike-profile-profle1] keychain keychain1

[RTB-ike-profile-profile1]local-identity address 100.1.1.2

[RTB-ike-profile-profle1]match remote identity address 100.1.1.1

[RTB-ike-profile-profile1]proposal 1

[RTB-ike-profile-profile1]quit

[RTB]acl advanced 3000

[RTB-acl-ipv4-adv-3000] rule 0 permit ip source 10.3.1.0 0.0.0.255 destination 10.1.1.0 0.0.0.255

[RTB-acl-ipv4-adv-3000]quit

[RTB]ipsec transform-set tran1

[RTB-ipsec-transform-set-tranl]esp encryption-algorithm 3 des-cbc

[RTB-ipsec-transform-set-tranl]esp authentication-algorithm md5

[RTB-ipsec-transform-set-tran1]quit

[RTB]ipsec policy policy1 1 isakmp

[RTB-ipsec-policy-isakmp-policy1-1]transform-set tran1

[RTB-ipsec-policy-isakmp-policy1-1]security acl 3000

[RTB-ipsec-policy-isakmp-policy1-1]remote-address 100.1.1.1

[RTB-ipsec-policy-isakmp-policy1-1]ike-profile profilel

[RTB-ipsec-policy-isakmp-policy1-1]quit

[RTB]interface GigabitEthernet 0/0

[RTB-GigabitEthernet0/0lip address 10.3.1.1 255.255.255.0

[RTB-GigabitEthernet0/0]quit

[RTB]interface LoopBack 0

[RTB-LoopBack0]ip address 2.2.2.2 255.255.255.255

[RTB-LoopBack0]quit

[RTB]interface Serial 1/0

[RTB-Serial1/0]ip address 10.2.1.2 255.255.255.0

[RTB-Serial1/0]quit

[RTB]interface Tunnel1 mode gre

[RTB-Tunnel1]ip address 100.1.1.2 255.255.255.0

[RTB-Tunnel1]source 2.2.2.2

[RTB-Tunnel1]destination 1.1.1.1

[RTB-Tunnel1]ipsec apply policy policy1

[RTB-Tunnel1]quit

[RTB]ip route-stati 1.1.1.1 255.255.255.255 10.2.1.1

[RTB]ip route-static 10.1.1.0 255.255.255.0 Tunnel 1（含图）

考虑，要分别配置 PPP PAP 验证和 RIP 明文验证。那么这两种验证方式的相同点是______。