Release Notes

7
Release Notes for the Catalyst 2960-C and 2960-Plus Switches, Cisco IOS Release 15.2(3)E and Later
OL-32525-01
New Features
Features Introduced in Cisco IOS Release 15.2(3)E3
Features Introduced in Cisco IOS Release 15.2(3)E2
There are no new features to mention here.
Features Introduced in Cisco IOS Release 15.2(3)E1
Features Introduced in Cisco IOS Release 15.2(3)E
Feature Name Description
Default STP mode PVRST+ Rapid PVST+ is now the default spanning-tree mode used on all Ethernet port-based
VLANs.
(LAN Base, IP Base, and IP Services/Enterprise Services)
Named VLAN Option to specify a VLAN name for access and voice VLAN.
(LAN Base, IP Base, and IP Services/Enterprise Services)
What’s New Description
Enhancement to port security
configuration
Specify a MAC address that is forbidden by port security on all interfaces.
What’s New Description
IPv6 Router Advertisement Guard
support on EtherChannels
The IPv6 Router Advertisement (RA) guard feature enables the network administrator to
block or reject unwanted or rogue RA guard messages that arrive at the network switch
platform. RAs are used by routers to announce themselves on the link.
IPv6 Snooping Policy support on
EtherChannels
IPv6 snooping acts as a container policy that enables most of the features available with
FHS in IPv6. The IPv6 Snooping feature bundles several Layer 2 IPv6 first-hop security
features, including IPv6 neighbor discovery inspection, IPv6 device tracking, IPv6
address glean, and IPv6 binding table recovery, to provide security and scalability.
VLAN name extension Maximum characters allowed for a VLAN name has been increased from 32 to 128.
mDNS Service Discovery Gateway
Phase 3
The Service Discovery Gateway feature enables multicast Domain Name System
(mDNS) to operate across Layer 3 (L3) boundaries. In this phase, features such as
de-congestion of incoming mDNS traffic, redistribution of service withdrawal messages,
a filter criterion for learning services available on a specific interface, and the periodic
browsing of services on specific interfaces are introduced.