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Chapter 10 Routing
USG20(W)-VPN Series User’s Guide
239
10.5 Routing Protocols Overview
Routing protocols give the USG routing information about the network from other routers. The USG
stores this routing information in the routing table it uses to make routing decisions. In turn, the
USG can also use routing protocols to propagate routing information to other routers.
Routing protocols are usually only used in networks using multiple routers like campuses or large
enterprises.
• Use the
RIP
screen (see
) to configure the USG to use RIP to receive
and/or send routing information.
• Use the
OSPF
) to configure general OSPF settings and
manage OSPF areas.
• Use the
OSPF Area Add/Edit
screen (see
) to create or edit an OSPF
area.
10.5.1 What You Need to Know
The USG supports two standards, RIP and OSPF, for routing protocols. RIP and OSPF are compared
here and discussed further in the rest of the chapter.
Finding Out More
See
for background information on routing protocols.
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 USG, 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. This is discussed in more detail in
Authentication Types on page 248
• Second, the USG 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.
Table 95
RIP vs. OSPF
RIP
OSPF
Network Size
Small (with up to 15 routers) Large
Metric
Hop count
Bandwidth, hop count, throughput, round trip time and
reliability.
Convergence
Slow
Fast
Содержание ZyWall USG20-VPN
Страница 17: ...17 PART I User s Guide ...
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Страница 99: ...99 PART II Technical Reference ...
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Страница 151: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 151 Configuration Network Interface Ethernet Edit External Type ...
Страница 152: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 152 Configuration Network Interface Ethernet Edit External Type ...
Страница 154: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 154 Configuration Network Interface Ethernet Edit Internal Type ...
Страница 155: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 155 Figure 121 Configuration Network Interface Ethernet Edit OPT ...
Страница 156: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 156 Configuration Network Interface Ethernet Edit OPT ...
Страница 170: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 170 Figure 127 Configuration Network Interface PPP Add ...
Страница 178: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 178 Figure 129 Configuration Network Interface Cellular Add Edit ...
Страница 194: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 194 Figure 139 Configuration Network Interface VLAN Add Edit ...
Страница 206: ...Chapter 9 Interfaces USG20 W VPN Series User s Guide 206 Figure 141 Configuration Network Interface Bridge Add Edit ...
Страница 282: ...Chapter 15 UPnP USG20 W VPN Series User s Guide 282 Figure 190 Network Connections My Network Places Properties Example ...
Страница 340: ...Chapter 21 IPSec VPN USG20 W VPN Series User s Guide 340 Figure 226 Configuration VPN IPSec VPN VPN Connection Edit IKE ...
Страница 348: ...Chapter 21 IPSec VPN USG20 W VPN Series User s Guide 348 Figure 228 Configuration VPN IPSec VPN VPN Gateway Add Edit ...
Страница 378: ...Chapter 22 SSL VPN USG20 W VPN Series User s Guide 378 Create a Web Application SSL Application Object ...
Страница 591: ...Chapter 31 Log and Report USG20 W VPN Series User s Guide 591 Figure 418 Configuration Log Report Email Daily Report ...
Страница 659: ...Appendix B Legal Information USG20 W VPN Series User s Guide 659 Environmental Product Declaration ...