Canon VB-M700F Operation Manual page 70

(8) [IKE Pre-Shared Key]
Enter the pre-shared key for IKE (auto key exchange)
(up to 127 characters).
Important
If the camera is rebooted during auto key exchange
communication, a connection error may result after rebooting.
In this case, 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 (Manual)
IPsec Sets 1 to 5 are available, and you can specify IPsec
settings for one communication device for each IPsec Set.
(1) [IPsec Set]
Set IPsec Set to [Disable], [Enable in IPv4] or [Enable
in IPv6].
(2) [IPsec Mode]
Set IPsec mode to [Tunnel Mode] or [Transport
Mode].
(3) [Destination IPv4 Address], [Destination IPv6 Address]
Enter the IP address of the connection destination.
(4) [Source IPv4 Address], [Source IPv6 Address]
Enter the IP address of the source.
(5) [Security Protocol]
Set the IPsec protocol to [ESP], [AH] or [ESP and AH].
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.
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(6) [Security Gateway IPv4 Address], [Security Gateway
IPv6 Address]
If [IPsec Mode] is set to [Tunnel Mode] in (2), set the
IP address of the security gateway.
(7) [Destination Subnet Mask Length] (IPv4), [Destination
Prefix Length] (IPv6)
This setting is required only if [IPsec Mode] is set to
[Tunnel Mode] in (2).
If IPv6 is used, enter a desired prefix length for the
connection destination in the range of 16 to 128.
If IPv4 is used, enter a desired length in the range of 1
to 32.
If [Security Protocol] is set to [ESP] or [ESP and AH] in
(5), (8) [SA ESP Encryption Algorithm] to (15) [SA ESP
SPI (inbound)] must be set.
(8) [SA ESP Encryption Algorithm]
Set the ESP encryption algorithm to [AES], [3DES],
[DES] or [NULL] according to the encryption
algorithm supported by the device to connect to.
Normally [AES] or [3DES] is recommended.
(9) [SA ESP Authentication Algorithm]
Set the ESP authentication algorithm to
[HMAC_SHA1_96], [HMAC_MD5_96] or [No
Authentication] according to the authentication
algorithm supported by the device to connect to.
If [ESP] is used alone, [No Authentication] cannot be
selected.
(10)[SA ESP Encryption Key (outbound)]
Set the SA encryption key for outbound. If [AES],
[3DES] or [DES] was selected in (8), set a 128-bit,
192-bit or 64-bit hexadecimal, respectively. This item
need not be set if [NULL] was selected.
(11)[SA ESP Authentication Key (outbound)]
Set the SA authentication key for outbound. If
[HMAC_SHA1_96] or [HMAC_MD5_96] was selected
in (9), set a 160-bit or 128-bit hexadecimal,
respectively. This item need not be set if [No
Authentication] was selected.
(12)[SA ESP SPI (outbound)]
Set the SA SPI value for outbound.
Set a desired value in the range of 256 to
4294967295.
(13)[SA ESP Encryption Key (inbound)]
Set the SA encryption key for inbound.
If [AES], [3DES] or [DES] was selected in (8), set a
128-bit, 192-bit or 64-bit hexadecimal, respectively.
This item need not be set if [NULL] was selected.
(14)[SA ESP Authentication Key (inbound)]
Set the SA authentication key for inbound.
If [HMAC_SHA1_96] or [HMAC_MD5_96] was
selected in (9), set a 160-bit or 128-bit hexadecimal,
respectively. This item need not be set if [No
Authentication] was selected.