Planet Networking & Communication IVR-100 User Manual page 72

ESP Keylife
Perfect Forward
Secrecy (PFS)

[Example] Establishing the IPSec VPN connection between two VPN Gateways.
Follow the steps below for setting up the Gateways:
1. Go to the VPN -> IPsec page.
2. Set the IPsec Tunnels as enable.
3. Click Add IPsec Tunnel button.
Industrial 5-Port 10/100/1000T VPN Security Gateway
by using it three times. It can achieve an algorithm up to 168
bits.
3. SHA1: The SHA1 is a revision of SHA. It has improved the
shortcomings of SHA. By producing summary hash values, it
can achieve an algorithm up to 160 bits.
4. SHA2: Either 256, 384 or 512 can be chosen.
5. MD5 Algorithm: MD5 processes a variably long message into
a fixed-length output of 128 bits.
You can specify how long ESP packets are valid.
Set the function as enable or disable.
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IVR-100