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Examples
# Configure IPsec proposal prop2 to encapsulate IP packets in transport mode.
<Sysname> system-view
[Sysname] ipsec proposal prop2
[Sysname-ipsec-proposal-prop2] encapsulation-mode transport
esp authentication-algorithm
Syntax
esp authentication-algorithm sha1
undo esp authentication-algorithm
View
IPsec proposal view
Default level
2: System level
Parameters
sha1: Uses the SHA1 algorithm, which uses a 160-bit key.
Description
Use the esp authentication-algorithm command to specify an authentication algorithm for ESP.
Use the undo esp authentication-algorithm command to configure ESP not to perform authentication on
packets.
By default, SHA-1 is used.
You must use both ESP authentication and encryption.
For ESP, you must specify an encryption algorithm, an authentication algorithm, or both. The undo esp
authentication-algorithm command takes effect only if one encryption algorithm is specified for ESP.
Related commands: ipsec proposal, esp encryption-algorithm, proposal, and transform.
Examples
# Configure IPsec proposal prop1 to use ESP and specify SHA1 as the authentication algorithm for ESP.
<Sysname> system-view
[Sysname] ipsec proposal prop1
[Sysname-ipsec-proposal-prop1] transform esp
[Sysname-ipsec-proposal-prop1] esp authentication-algorithm sha1
esp encryption-algorithm
Syntax
esp encryption-algorithm aes [ key-length ]
undo esp encryption-algorithm
View
IPsec proposal view
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