ZyWALL 10/50 Internet Security Gateway

Table 28-1 Sample IKE Key Exchange Logs

LOG MESSAGE

DESCRIPTION

 

 

!! IKE Packet Retransmit

The ZyWALL did not receive a response from the peer

 

and so retransmits the last packet sent.

!! Failed to send IKE Packet

The ZyWALL cannot send IKE packets due to a

 

network error.

!! Too many errors! Deleting SA

The ZyWALL deletes an SA when too many errors

 

occur.

The following table shows sample log messages during packet transmission.

Table 28-2 Sample IPSec Logs During Packet Transmission

LOG MESSAGE

DESCRIPTION

 

 

!! WAN IP changed to <IP>

If the ZyWALL’s WAN IP changes, all configured “My IP Addr” are

 

changed to b “0.0.0.0”.. If this field is configured as 0.0.0.0, then

 

the ZyWALL will use the current ZyWALL WAN IP address (static

 

or dynamic) to set up the VPN tunnel.

!! Cannot find Phase 2 SA

The ZyWALL cannot find a phase 2 SA that corresponds with the

 

SPI of an inbound packet (from the peer); the packet is dropped.

!! Discard REPLAY packet

If the ZyWALL receives a packet with the wrong sequence number

 

it will discard it.

!! Inbound packet

The authentication configuration settings are incorrect. Please

authentication failed

check them.

!! Inbound packet decryption

The decryption configuration settings are incorrect. Please check

failed

them.

Rule <#d> idle time out,

If an SA has no packets transmitted for a period of time

disconnect

(configurable via CI command), the ZyWALL drops the connection.

The following table shows RFC-2408 ISAKMP payload types that the log displays. Please refer to the RFC for detailed information on each type.

Table 28-3 RFC-2408 ISAKMP Payload Types

LOG DISPLAY

PAYLOAD TYPE

 

 

SA

Security Association

PROP

Proposal

28-4

IPSec Log