Cisco Catalyst 4500 Series - Connecting to Catalyst 5000 Supervisor Engine III

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