Chapter 29: Internet Protocol Version 4 Packet Routing
324
Section VII: Routing
Overview
This section contains an overview of the IPv4 routing feature on the
AT-9400 Switch. It begins with an explanation of the following available
routing methods:
Routing interfaces
Static routes
RIP version 1 and 2
A routing interface is a logical connection to a local network or subnet for
the purpose of routing IPv4 packets. Interfaces route packets between the
local networks and subnets directly connected to the switch and are
independent of static routes and RIP. In some limited network topologies
where there are no remote networks or subnets, you may be able to meet
the routing requirements of the IPv4 packets on your network with just
routing interfaces. This feature is explained in “Routing Interfaces” on
page 326.
In order for the switch to route packets to a remote destination (i.e., a
network or subnet not directly connected to the switch), there must be a
route to the destination in the routing table of the switch. A route consists
of the IP address of the remote destination and the IP address of the next
hop to reaching the destination.
One method for specifying a route to a remote destination is to enter it
manually. This type of route is referred to as a static route. A static route
contains the IP addresses of the remote destination and the next hop. You
can also create a static route for packets with an unknown destination
network or subnet. This type of route is referred to as a default route. For
background information on static routes and the default route, refer to
“Static Routes” on page 330.
A switch can automatically learn routes to remote destinations with the
Routing Information Protocol (RIP). This protocol allows the routers of a
network to automatically share their routes by broadcasting their routing
tables to each other. The AT-9400 Switch supports versions 1 and 2 of
this routing protocol. This feature is explained in “Routing Information
Protocol (RIP)” on page 332.
This overview also contains an explanation of the role played by interfaces
with some of the management features of the switch, and how those
features are dependent on there being at least one interface on the switch.
A few examples of the management functions include uploading and
downloading files to the switch using a TFTP server and the enhanced
stacking feature. For information, refer to “Routing Interfaces and
Management Features” on page 342.
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Страница 14: ...Figures 14 ...
Страница 18: ...Tables 18 ...
Страница 28: ...28 Section I Basic Operations ...
Страница 58: ...Chapter 1 Overview 58 ...
Страница 76: ...Chapter 2 AT 9400Ts Stacks 76 Section I Basic Operations ...
Страница 96: ...Chapter 5 MAC Address Table 96 Section I Basic Operations ...
Страница 114: ...Chapter 8 Port Mirror 114 Section I Basic Operations ...
Страница 116: ...116 Section II Advanced Operations ...
Страница 146: ...Chapter 12 Access Control Lists 146 Section II Advanced Operations ...
Страница 176: ...Chapter 14 Quality of Service 176 Section II Advanced Operations ...
Страница 196: ...196 Section III Snooping Protocols ...
Страница 204: ...Chapter 18 Multicast Listener Discovery Snooping 204 Section III Snooping Protocols ...
Страница 216: ...Chapter 20 Ethernet Protection Switching Ring Snooping 216 Section III Snooping Protocols ...
Страница 218: ...218 Section IV SNMPv3 ...
Страница 234: ...234 Section V Spanning Tree Protocols ...
Страница 268: ...268 Section VI Virtual LANs ...
Страница 306: ...Chapter 27 Protected Ports VLANs 306 Section VI Virtual LANs ...
Страница 320: ...320 Section VII Internet Protocol Routing ...
Страница 360: ...Chapter 30 BOOTP Relay Agent 360 Section VII Routing ...
Страница 370: ...Chapter 31 Virtual Router Redundancy Protocol 370 Section VII Routing ...
Страница 372: ...372 Section VIII Port Security ...
Страница 402: ...Chapter 33 802 1x Port based Network Access Control 402 Section VIII Port Security ...
Страница 404: ...404 Section IX Management Security ...
Страница 436: ...Chapter 36 PKI Certificates and SSL 436 Section IX Management Security ...
Страница 454: ...Chapter 38 TACACS and RADIUS Protocols 454 Section IX Management Security ...
Страница 462: ...Chapter 39 Management Access Control List 462 Section IX Management Security ...
Страница 504: ...Appendix B SNMPv3 Configuration Examples 504 Security Model Security Level Storage Type SNMPv3 Parameters Continued ...
Страница 532: ...Appendix D MIB Objects 532 ...