Chapter 51 Troubleshooting

•If the ZyWALL has multiple WAN interfaces, make sure their IP addresses are on different subnets.

I cannot configure a particular VLAN interface on top of an Ethernet interface even though I have it configured it on top of another Ethernet interface.

Each VLAN interface is created on top of only one Ethernet interface.

The ZyWALL is not applying an interface’s configured ingress bandwidth limit.

At the time of writing, the ZyWALL does not support ingress bandwidth management.

The ZyWALL is not applying my application patrol bandwidth management settings.

Bandwidth management in policy routes has priority over application patrol bandwidth management.

The ZyWALL’s performance slowed down after I configured many new application patrol entries.

The ZyWALL checks the ports and conditions configured in application patrol entries in the order they appear in the list. While this sequence does not affect the functionality, you might improve the performance of the ZyWALL by putting more commonly used ports at the top of the list.

The ZyWALL’s anti-virus scanner cleaned an infected file but now I cannot use the file.

The scanning engine checks the contents of the packets for virus. If a virus pattern is matched, the ZyWALL removes the infected portion of the file along with the rest of the file. The un-infected portion of the file before a virus pattern was

 

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ZyWALL USG 50 User’s Guide