Troubleshooting ike, Verifying the configuration – H3C Technologies H3C S12500-X Series Switches User Manual

Page 176

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[SwitchB-ike-profile-profile1] match remote identity address 1.1.1.1 255.255.255.0

[SwitchB-ike-profile-profile1] quit

# Create an IPsec policy entry, and specify the IPsec policy name as use1, the sequence number

as 10, and the IPsec SA setup mode as IKE.

[SwitchB] ipsec policy use1 10 isakmp

# Specify the remote IP address 1.1.1.1 for the IPsec tunnel.

[SwitchB-ipsec-policy-isakmp-use1-10] remote-address 1.1.1.1

# Reference ACL 3101 to identify the traffic to be protected.

[SwitchB-ipsec-policy-isakmp-use1-10] security acl 3101

# Reference IPsec transform set tran1 for the IPsec policy.

[SwitchB-ipsec-policy-isakmp-use1-10] transform-set tran1

# Specify IKE profile profile1 for the IPsec policy.

[SwitchB-ipsec-policy-isakmp-use1-10] ike-profile profile1

[SwitchB-ipsec-policy-isakmp-use1-10] quit

# Specify the card in slot 1 to forward the traffic for VLAN-interface 1.

[SwitchB] interface vlan-interface 1

[SwitchB-Vlan-interface1] service slot 1

# Apply IPsec policy use1 to VLAN-interface 1.

[SwitchB-Vlan-interface1] ipsec apply policy use1

256B

Verifying the configuration

When there is traffic between Switch A and Switch B, IKE negotiation is triggered.

114B

Troubleshooting IKE

257B

IKE negotiation failed because no matching IKE proposals
were found

480B

Symptom

1.

The IKE SA is in Unknown state.

<Sysname> display ike sa

Connection-ID Remote Flag DOI

------------------------------------------------------------------

1 192.168.222.5 Unknown IPSEC

Flags:

RD--READY RL--REPLACED FD-FADING

2.

When IKE event debugging and packet debugging are enabled, the following messages appear:
IKE event debugging message:

The attributes are unacceptable.

IKE packet debugging message:

Construct notification packet: NO_PROPOSAL_CHOSEN.

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