Cisco Systems WSC4500X16SFP Manual De Usuario

32-7

Software Configuration Guide—Release 12.2(25)SG

OL-7659-03

Chapter 32 Understanding and Configuring Dynamic ARP Inspection

Configuring Dynamic ARP Inspection

This example shows how to configure dynamic ARP inspection on Switch A in VLAN 100. You would
perform a similar procedure on Switch B.

On Switch A

SwitchA# show cdp neighbors

Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge

S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone

Device ID Local Intrfce Holdtme Capability Platform Port ID

SwitchB Gig 3/48 179 R S I WS-C4506 Gig 3/46

SwitchA# configure terminal

SwitchA(config)# ip arp inspection vlan 100

SwitchA(config)# interface g3/48

SwitchA(config-if)# ip arp inspection trust

SwitchA(config-if)# end

SwitchA# show ip arp inspection interfaces

Interface Trust State Rate (pps) Burst Interval

--------------- ----------- ---------- --------------

Gi1/1 Untrusted 15 1

Gi1/2 Untrusted 15 1

Gi3/1 Untrusted 15 1

Gi3/2 Untrusted 15 1

Gi3/3 Untrusted 15 1

Gi3/4 Untrusted 15 1

Gi3/5 Untrusted 15 1

Gi3/6 Untrusted 15 1

Gi3/7 Untrusted 15 1

Gi3/8 Untrusted 15 1

Gi3/9 Untrusted 15 1

Gi3/10 Untrusted 15 1

Gi3/11 Untrusted 15 1

Gi3/12 Untrusted 15 1

Gi3/13 Untrusted 15 1

Gi3/14 Untrusted 15 1

Gi3/15 Untrusted 15 1

Gi3/16 Untrusted 15 1

Gi3/17 Untrusted 15 1

Gi3/18 Untrusted 15 1

Gi3/19 Untrusted 15 1

Gi3/20 Untrusted 15 1

Gi3/21 Untrusted 15 1

Gi3/22 Untrusted 15 1

Gi3/23 Untrusted 15 1

Gi3/24 Untrusted 15 1

Gi3/25 Untrusted 15 1

Gi3/26 Untrusted 15 1

Gi3/27 Untrusted 15 1

Gi3/28 Untrusted 15 1

Gi3/29 Untrusted 15 1

Gi3/30 Untrusted 15 1

Gi3/31 Untrusted 15 1

Gi3/32 Untrusted 15 1

Gi3/33 Untrusted 15 1

Gi3/34 Untrusted 15 1

Gi3/35 Untrusted 15 1

Gi3/36 Untrusted 15 1

Gi3/37 Untrusted 15 1

Gi3/38 Untrusted 15 1