Cisco Catalyst 4500 Series Software Configuration Guide

CHAPTER
5-1
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
5
Configuring Virtual Switching Systems
This chapter describes how to configure a virtual switching system (VSS) for the Catalyst 4500 series
switch (Supervisor Engine 7-E, Supervisor Engine 7L-E, Supervisor Engine 8-E, Supervisor Engine
8L-E, Catalyst 4500-X). VSS is supported on Cisco Release IOS XE 3.4.0SG and later.
Note For complete syntax and usage information for virtual switch commands used in this chapter, see the
publication at this location:
Cisco IOS Virtual Switch Command Reference
For complete syntax and usage information for the switch commands used in this chapter, see the
Cisco IOS Command Reference Guides for the Catalyst 4500 Series Switch.
If a command is not in the Cisco Catalyst 4500 Series Switch Command Reference , you can locate it in
the Cisco IOS Master Command List, All Releases.
This chapter consists of these sections:
• Understanding Virtual Switching Systems, page 5-1
• VSS Configuration Guidelines and Restrictions, page 5-28
• Configuring a VSS, page 5-30
• In-Service Software Upgrade (ISSU) on a VSS, page 5-56
• License Upgrade on a VSS, page 5-85
Understanding Virtual Switching Systems
These sections describe a VSS:
• VSS Overview, page 5-2
• VSS Redundancy, page 5-10
• Multichassis EtherChannels, page 5-13
• Packet Handling, page 5-15
• System Monitoring, page 5-19
• Dual-Active Detection, page 5-23
• Configuring a Recovery IP Address, page 5-25

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