Canon VB-C500D Operation Manual page 57

(14) [SA ESP Authentication key (inbound)]
Set the SA authentication key for inbound. If [HMAC_SHA1_96] or [HMAC_MD5_96] was
set in (9), set a 160-bit or 128-bit hexadecimal, respectively. This item need not be set if [No
Authentication] was selected.
(15) [SA ESP SPI (inbound)]
Set the SA SPI value for inbound. Set a desired value in a range of 256 to 4294967295. Since
this setting is used as an ID for identifying the SA, be careful not to specify an inbound SPI
whose value is already used the SPI for other ESP.
If [AH] or [ESP and AH] was set under [Security Protocol] in (5), the following items must be
set.
(16) [SA AH Authentication Algorithm]
Select [HMAC_SHA1_96] or [HMAC_MD5_96] as the AH authentication algorithm according
to the authentication algorithm supported by the device to connect to.
(17) [SA AH Authentication key (outbound)]
Set the SA authentication key for outbound . If [HMAC_SHA1_96] or [HMAC_MD5_96] was
set in (16), set a 160-bit or 128-bit hexadecimal, respectively.
(18) [SA AH SPI (outbound)]
Set the SA SPI value for outbound. Set a desired value in a range of 256 to 4294967295.
(19) [SA AH Authentication key (inbound)]
Set the SA authentication key for inbound. If [HMAC_SHA1_96] or [HMAC_MD5_96] was set
in (16), set a 160-bit or 128-bit hexadecimal, respectively.
IPsec Settings (IPsec)
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