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Chapter 13 Routing Protocols
ZyWALL USG 300 User’s Guide
237
Figure 154 Network > Routing > RIP
The following table describes the labels in this screen.
13.3 OSPF Overview
OSPF (Open Shortest Path First, RFC 2328) is a link-state protocol designed to distribute
routing information within a group of networks, called an Autonomous System (AS). OSPF
offers some advantages over vector-space routing protocols like RIP.
• OSPF supports variable-length subnet masks, which can be set up to use available IP
addresses more efficiently.
Table 71 Network > Routing Protocol > RIP
LABEL DESCRIPTION
Authentication
Authentication Select the authentication method used in the RIP network. Choices are: None,
Text, and MD5.
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 8 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.
Redistribute
Active Select this check box to advertise routes that were learned from the indicated
Name.
Name This field displays other sources of routing information that the ZyWALL can
advertise in the RIP network.
Metric Type the cost for routes provided by the indicated source. The metric represents
the “cost” of transmission for routing purposes. RIP routing uses hop count as the
measurement of cost, with 1 usually used for directly connected networks. The
number does not have to be precise, but it must be between 0 and 16. In practice,
2 or 3 is usually used.