Nortel BSG12aw 1.0, Руководство по настройке

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VPN configuration 69
Configuration Guide
Enabling VPN (branch office)
Complete this procedure to enable VPN.
Procedure steps
Step Action
1 From the BSG navigation pane, select Configuration, VPN, VPN Settings,
VPN Policy tab.
The VPN Policy pane appears.
2 From the VPN Status list , select Enabled.
3 Click Apply .
End
Authentication Select the preferred authentication method.
Select None to indicates no authentication method is required.
Select HMAC-MAC5, the message authentication code is calculated using
the MD5 cryptographic hash function. This cryptographic hash function
has some additional security properties with a 128-bit hash value, which is
commonly used to check the integrity of files.
Select HMAC-SHA1, the message authentication code is calculated using
the SHA1 algorithm. This cryptographic hash function computes a
condensed digital representation to a high degree of probability.
IPSec Mode Select the IPSec mode.
Select Tunnel, IPSec encrypts the IP header and the Payload.
Select Transport, IPSec encrypts only the Payload.
Preferred Forward Secrecy Select the Preferred Forward Secrecy (PFS). Select one of the following
options:
• Select None – IKE does not use any PFS.
• PFS Group 1 – IKE uses a 768-bit Diffie-Hellman Prime modules
group for performing the new Diffie-Hellman exchange.
• PFS Group 2 – IKE uses a 1024-bit Diffie-Hellman Prime modules
group for performing the new Diffie-Hellman exchange.
• PFS Group 5 – IKE uses a 1536-bit Diffie-Hellman Prime modules
group for performing the new Diffie-Hellman exchange.
Life Time Select the lifetime unit. It can be seconds, minutes, or hours.
The default value is seconds.
Life Time Value Type the lifetime value.
The default value is 800 seconds.
Anti Replay Displays the anti replay status.
Options:
• ENABLE - activates the anti-replay functionality of the security
protocol.
• DISABLE - deactivates the anti-replay functionality of the security
protocol.
The default value is ENABLE.
Variable Value