ZyXEL ZyWALL ATP700 User Guide - Page 347
The RIP Screen
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Chapter 10 Routing Routing protocols are usually only used in networks using multiple routers like campuses or large enterprises. • Use the RIP screen (see Section 10.6 on page 347) to configure the Zyxel Device to use RIP to receive and/or send routing information. • Use the OSPF screen (see Section 10.7 on page 349) to configure general OSPF settings and manage OSPF areas. • Use the OSPF Area Add/Edit screen (see Section 10.7.2 on page 353) to create or edit an OSPF area. • Use the BGP screen (see Section 10.8 on page 356) to configure eBGP (exterior Border Gate Protocol). 10.5.1 What You Need to Know The Zyxel Device supports two standards, RIP and OSPF, for routing protocols. RIP and OSPF are compared here and discussed further in the rest of the chapter. Table 134 RIP vs. OSPF RIP Network Size Small (with up to 15 routers) Metric Hop count Convergence Slow OSPF Large Bandwidth, hop count, throughput, round trip time and reliability. Fast 10.6 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 Zyxel Device, you can configure two sets of RIP settings before you can use it in an interface. • First, the Authentication field specifies how to verify that the routing information that is received is the same routing information that is sent. • Second, the Zyxel Device 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 terms. • RIP uses UDP port 520. Use the RIP screen to specify the authentication method and maintain the policies for redistribution. Click Configuration > Network > Routing > RIP to open the following screen. ZyWALL ATP Series User's Guide 347
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