Reference Guide

IPv4 Routing | 455

IPv4 Routing

IPv4 Routing is supported on the S5000 switch.

FTOS supports various IP addressing features. This chapter explains the basics of Domain Name Service

(DNS), Address Resolution Protocol (ARP), and routing principles and their implementation in FTOS.

• IP Addresses

• Directed Broadcast

• Resolution of Host Names

• ARP

• ARP Learning via Gratuitous ARP

• ARP Learning via ARP Request

• Configuring ARP Retries

• ICMP

• UDP Helper

• Configuring UDP Helper

• Enabling UDP Helper

• Configuring a Broadcast Address

• Configurations Using UDP Helper

• Troubleshooting UDP Helper

Table 22-1 lists the defaults for the IP addressing features described in this chapter.

Table 22-1. IP Defaults

IP Feature Default

DNS Disabled

Directed Broadcast Disabled

Proxy ARP Enabled

ICMP Unreachable Disabled

ICMP Redirect Disabled