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Use the undo transform command to restore the default.
By default, the ESP protocol is used.
If ESP is used, the default encryption and authentication algorithms are DES and MD5 respectively.
If AH is used, the default authentication algorithm is MD5.
If both AH and ESP are used, AH takes the authentication algorithm of MD5 by default, and ESP takes
the encryption algorithm of DES and uses no authentication algorithm by default.
The IPsec proposals at the two ends of an IPsec tunnel must use the same security protocol.
Related commands: ipsec proposal.
Examples
# Configure IPsec proposal prop1 to use AH.
<Sysname> system-view
[Sysname] ipsec proposal prop1
[Sysname-ipsec-proposal-prop1] transform ah
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