Cisco Catalyst 4500 Series Administration Guide

Contents
9
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL-30933-01
Configuring the Router MAC Address 5-44
Configuring Multichassis EtherChannels 5-45
Configuring Dual-Active Detection 5-49
Configuring Enhanced PAgP Dual-Active Detection 5-49
Configuring Fast-Hello Dual-Active Detection 5-50
Displaying Dual-Active Detection 5-51
In-Service Software Upgrade (ISSU) on a VSS 5-53
VSS ISSU Concept 5-53
Traffic and Network Protocol Disruption During ISSU in a VSS 5-55
Related Documents 5-55
Prerequisites to Performing ISSU 5-55
About Performing ISSU 5-56
Performing an ISSU Upgrade: Two Methods 5-56
Guidelines for Performing ISSU 5-59
Compatibility Matrix 5-59
Compatibility Verification Using Cisco Feature Navigator 5-60
How to Perform the ISSU Process 5-61
Verifying the ISSU Software Installation 5-61
Verifying Redundancy Mode Before Beginning the ISSU Process 5-62
Verifying the ISSU State Before Beginning the ISSU Process 5-63
ISSU using the Four-command Sequence: Step 1 (loadversion) 5-65
ISSU using the Four-command Sequence: Step 2 (runversion) 5-66
ISSU using the Four Command Sequence: Step 3 (acceptversion) 5-68
ISSU using the Four Command Sequence: Step 4 (commitversion) 5-69
Using changeversion to Automate an ISSU Upgrade 5-70
Aborting a Software Upgrade During ISSU 5-76
Configuring the Rollback Timer to Safeguard Against Upgrade Issues 5-77
The ISSU Compatibility Matrix 5-79
License Upgrade on a VSS 5-81
Configuring the Cisco IOS In-Service Software Upgrade Process 6-1
Prerequisites to Performing ISSU 6-2
About ISSU 6-3
Stateful Switchover Overview 6-3
NSF Overview 6-5
ISSU Process Overview 6-6
Performing an ISSU Upgrade: 2 Methods 6-11
Changeversion Process 6-12
Changeversion: Quick Option 6-12
Scheduled Changeversion: “in” and “at” Options 6-12

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E