Table Of Contents

New and Changed Information

New and Changed Information

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This section describes the information in this document that is either new or has changed with each release.

To find additional information about new features or command changes, see the following:

•Release Notes.

•Command Reference.

Feature	Description	Changed in release	Where Documented
In service software upgrade (ISSU)	Added new section for troubleshooting ISSU.	4.2(1)SV1(4a)	"Upgrade"
VEM software upgrade	Added new section for troubleshooting VEM software upgrade.	4.2(1)SV1(4a)	"Upgrade"
DHCP, DAI, IPSG	Added new section for troubleshooting DHCP, Dynamic ARP Inspection, and IP Source Guard.	4.2(1)SV1(4)	"DHCP, DAI, and IPSG"
Virtual Service Domain	Added new section for troubleshooting Virtual Service Domain.	4.2(1)SV1(4)	"Virtual Service Domain"
Port profiles	Added section for port profiles, new information about quarantined port profiles.	4.2(1)SV1(4)