Canon VB-M640VE Network Camera VB-R11VE/VB-R11/VB-R10VE/VB-M641VE/VB-M641V/VB- - Page 127

[ISAKMP SA Authentication Algorithm] Select the SA authentication algorithm for use with auto key exchange protocol IKE. [DH Group] Select the key generation information that will be used in the DH algorithm for key exchange via auto key exchange protocol IKE. [ISAKMP SA Validity Period (min)] Enter the duration of validity for ISAKMP SA. 4 IPsec Set 1 to 5 IP security can be specified through auto key exchange or manual setting with up to five communicating devices. Setting Page  Auto Key Exchange Important If the camera is rebooted during auto key exchange communication, a connection error may result after rebooting. If this occurs, connect again. Note If auto key exchange is used, it will take approximately 5 to 10 seconds before communication with the camera starts. [IPsec Set] Set whether IPv4 or IPv6 will use or will not use IPsec sets. [IPsec Mode] Select the IPsec mode. [Destination IPv4 Address], [Destination IPv6 Address] Enter the IP address of the connection destination. [Source IPv4 Address], [Source IPv6 Address] Enter the IP address of the source. [Security Protocol] Select the IPsec protocol. If [ESP] is selected, enter only the setting items relating to ESP. If [AH] is selected, enter only the setting items relating to AH. If [ESP and AH] is selected, enter all setting items. [Security Gateway IPv4 Address], [Security Gateway IPv6 Address] Enter the IP address of the security gateway if [IPsec Mode] is set to [Tunnel Mode]. [Destination Subnet Mask Length] (IPv4), [Destination Prefix Length] (IPv6) Enter the subnet mask (IPv4) or prefix length (IPv6) when [IPsec Mode] is set to [Tunnel Mode]. [IKE Pre-Shared Key] Enter the pre-shared key for IKE (auto key exchange). 127