The Rip Screen; Figure 161 Network > Routing > Rip; Table 86 Network > Routing Protocol > Rip - ZyXEL Communications ZyWALL USG 300 User Manual

Unified security gateway

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Table of Contents

Chapter 13 Routing Protocols

13.2 The RIP Screen

RIP (Routing Information Protocol, RFC 1058 and RFC 1389) allows a device to exchange

routing information with other routers. RIP is a vector-space routing protocol, and, like most

such protocols, it uses hop count to decide which route is the shortest. Unfortunately, it also

broadcasts its routes asynchronously to the network and converges slowly. Therefore, RIP is

more suitable for small networks (up to 15 routers).

• In the ZyWALL, you can configure two sets of RIP settings before you can use it in an

• First, the Authentication field specifies how to verify that the routing information that is

received is the same routing information that is sent. This is discussed in more detail in

Authentication Types on page

• Second, the ZyWALL can also redistribute routing information from non-RIP networks,

specifically OSPF networks and static routes, to the RIP network. Costs might be

calculated differently, however, so you use the Metric field to specify the cost in RIP

• RIP uses UDP port 520.

Use the RIP screen to specify the authentication method and maintain the policies for

redistribution.

Click Network > Routing > RIP to open the following screen.

Figure 161 Network > Routing > RIP

The following table describes the labels in this screen.

Table 86 Network > Routing Protocol > RIP

Authentication

Authentication

Authentication

Select the authentication method used in the RIP network. This authentication

protects the integrity, but not the confidentiality, of routing updates.

None uses no authentication.

Text uses a plain text password that is sent over the network (not very secure).

MD5 uses an MD5 password and authentication ID (most secure).

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.

This field is available if the Authentication is MD5. Type the ID for MD5

authentication. The ID can be between 1 and 255.

ZyWALL USG 300 User's Guide