299

Chapter 27

Internet Protocol Version 4 Packet Routing
This chapter describes Internet Protocol version 4 (IPv4) packet routing on
the AT-9400 Basic Layer 3 Switches. The chapter covers routing
interfaces, static routes, and the Routing Information Protocol (RIP)
versions 1 and 2. The sections in the chapter include:
“Supported Platforms” on page 300
“Overview” on page 301
“Routing Interfaces” on page 303
“Interface Names” on page 306
“Static Routes” on page307
“Routing Information Protocol (RIP)” on page 309
“Default Routes” on page 311
“Equal-cost Multi-path (ECMP) Routing” on page 312
“Routing Table” on page314
“Address Resolution Protocol (ARP) Table” on page315
“Internet Control Message Protocol (ICMP)” on page 316
“Routing Interfaces and Management Features” on page 318
“Local Interface” on page 321
“AT-9408LC/SP AT-9424T/GB, and AT-9424T/SP Switches” on
page 322
“Routing Command Example” on page 324
“Non-routing Command Example” on page 328
“Upgrading from AT-S63 Version 1.3.0 or Earlier” on page330