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AR500, AR510, and AR530 V200R007 Commands Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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ike proposal

ike proposal


The ike proposal command creates an IKE proposal and displays the IKE proposal view.

The undo ike proposal command deletes an IKE proposal.

By default, the system provides the IKE proposal Default with the lowest priority.

Table 10-37 describes the default configuration of the created IKE proposal.

Table 10-37  Default configuration of the created IKE proposal


Default Setting

Authentication method

Pre-shared key authentication

Authentication algorithm


Encryption algorithm


DH group 1024-bit Diffie-Hellman group (group2)
SA duration 86400s

PRF (supported by only IKEv2)


  • The IKE proposal Default uses pre-shared key authentication, SHA-1 authentication algorithm, DES-CBC encryption algorithm, DH group group1, HMAC-SHA-1 algorithm used to generate a pseudo random number, IKE SA duration of 86400s. The configuration of the IKE proposal Default cannot be changed.
  • SHA-1 is insecure and has potential security risks. You are advised to use AES-XCBC-MAC-96, SHA-256, SHA-384, or SHA-512 or SM3.

  • DES-CBC is insecure and has potential security risks. You are advised to use AES-CBC-128, AES-CBC-192, or AES-CBC-256.

  • The 768-bit Diffie-Hellman group (group1) has potential security risks. You are advised to use 2048-bit Diffie-Hellman group (group14).

  • HMAC-SHA-1 is insecure and has potential security risks. You are advised to use AES-XCBC-128, HMAC-SHA-256, HMAC-SHA-384, or HMAC-SHA-512.


ike proposal proposal-number

undo ike proposal proposal-number






Specifies the sequence number of an IKE proposal. A smaller value indicates a higher priority of an IKE proposal.

An integer ranging from 1 to 99.


System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

An IKE proposal defines parameters used in IKE negotiation, including the encryption algorithm, authentication mode and algorithm, Diffie-Hellman group, and SA lifetime.

Multiple IKE proposals with different priorities can be created. A smaller value indicates a lower priority of an IKE proposal. The priority of an IKE proposal is represented by its sequence number. A smaller sequence number indicates a higher priority of an IKE proposal. You can create multiple IKE proposals with different priorities. The two ends must have at least one matching IKE proposal for successful IKE negotiation.

During IKE negotiation, the initiator sends its IKE proposals to the responder, and the responder searches its own matching IKE proposals. The responder first searches the IKE proposal with the lowest sequence number and proceeds in ascending order of sequence number until a matching IKE proposal is found. The matching IKE proposals will be used to establish a secure tunnel.

Two matching IKE proposals have the same encryption algorithm, authentication mode, authentication algorithm, and Diffie-Hellman group. The SA lifetime is determined by the initiator, so this parameter does not need to be negotiated.

Follow-up Procedure

Run the ike-proposal command in the IKE peer view to reference the IKE proposal.


If only the sequence number is specified during IKE proposal creation, this IKE proposal also uses default parameter settings.


# Create IKE proposal 10 and enter the IKE proposal view.

<Huawei> system-view
[Huawei] ike proposal 10
Updated: 2019-05-29

Document ID: EDOC1000097293

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