ZyXEL Communications ZyWALL 300 User Manual

Chapter 10 Interface

ZyWALL USG 300 User’s Guide

Direction

This field is effective when RIP is enabled. Select the RIP direction from the 
drop-down list box.
BiDir - This interface sends and receives routing information.
In-Only - This interface receives routing information.
Out-Only - This interface sends routing information.

Send Version

This field is effective when RIP is enabled. Select the RIP version(s) used for 
sending RIP packets. Choices are 1, 2, and 1 and 2.

Receive Version

This field is effective when RIP is enabled. Select the RIP version(s) used for 
receiving RIP packets. Choices are 1, 2, and 1 and 2.

V2-Broadcast

This field is effective when RIP is enabled. Select this to send RIP-2 packets 
using subnet broadcasting; otherwise, the ZyWALL uses multicasting.

OSPF Setting

See 

 for more information about OSPF.

Area

Select the area in which this interface belongs. Select None to disable OSPF in 
this interface.

Priority

Enter the priority (between 0 and 255) of this interface when the area is looking 
for a Designated Router (DR) or Backup Designated Router (BDR). The 
highest-priority interface identifies the DR, and the second-highest-priority 
interface identifies the BDR. Set the priority to zero if the interface can not be 
the DR or BDR.

Link Cost

Enter the cost (between 1 and 65,535) to route packets through this interface.

Passive 
Interface

Select this to stop forwarding OSPF routing information from the selected 
interface. As a result, this interface only receives routing information.

Authentication

Select an authentication method, or disable authentication. To exchange OSPF 
routing information with peer border routers, you must use the same 
authentication method that they use. Choices are:
Same-as-Area - use the default authentication method in the area
None - disable authentication
Text - authenticate OSPF routing information using a plain-text password
MD5 - authenticate OSPF routing information using MD5 encryption

Text 
Authentication 
Key

This field is available if the Authentication is Text. Type the password for text 
authentication. The key can consist of alphanumeric characters and the 
underscore, and it can be up to eight characters long.

MD5 
Authentication 
ID

This field is available if the Authentication is MD5. Type the ID for MD5 
authentication. The ID can be between 1 and 255.

MD5 
Authentication 
Key

This field is available if the Authentication is MD5. Type the password for MD5 
authentication. The password can consist of alphanumeric characters and the 
underscore, and it can be up to 16 characters long.

DHCP Settings

DHCP

Select what type of DHCP service the ZyWALL provides to the network. 
Choices are:
None - the ZyWALL does not provide any DHCP services. There is already a 
DHCP server on the network.
DHCP Relay - the ZyWALL routes DHCP requests to one or more DHCP 
servers you specify. The DHCP server(s) may be on another network.
DHCP Server - the ZyWALL assigns IP addresses and provides subnet mask, 
gateway, and DNS server information to the network. The ZyWALL is the DHCP 
server for the network.

These fields appear if the ZyWALL is a DHCP Relay.

Relay Server 1

Enter the IP address of a DHCP server for the network.

Table 50   Network > Interface > Ethernet > Edit (continued)