Cisco Cisco IOS Software Release 12.2(52)SE Notas de publicación
7
Release Notes for the Catalyst 3750 Metro Switch Cisco IOS Release 12.2(52)SE
OL-19709-01
Minimum Cisco IOS Release for Major Features
Minimum Cisco IOS Release for Major Features
lists the minimum software release required to support the major features on the Catalyst 3750 Metro
switch.
Note
Features not included in the table are available in all releases. You can see a list of features from the first
release at this URL:
release at this URL:
Table 3
Catalyst 3750 Metro Switch Features and the Minimum Cisco IOS Release Required
Feature
Minimum Cisco IOS
Release Required
Release Required
Support for Layer 2 transport over MPLS interworking for Ethernet and VLAN interworking. 12.2(52)SE
Support for IPv6 QoS trust capability.
12.2(52)SE
Support for EEM 3.2, which introduces event detectors for Neighbor Discovery, Identity, and
MAC-Address-Table.
MAC-Address-Table.
12.2(52)SE
Support for IP source guard on static hosts.
12.2(52)SE
IEEE 802.1x User Distribution to allow deployments with multiple VLANs (for a group of
users) to improve scalability of the network by load balancing users across different VLANs.
Authorized users are assigned to the least populated VLAN in the group, assigned by RADIUS
server.
users) to improve scalability of the network by load balancing users across different VLANs.
Authorized users are assigned to the least populated VLAN in the group, assigned by RADIUS
server.
12.2(52)SE
Support for Network Edge Access Topology (NEAT) to change the port host mode and to apply
a standard port configuration on the authenticator switch port.
a standard port configuration on the authenticator switch port.
12.2(52)SE
Support for 3DES and AES with version 3 of the Simple Network Management Protocol
(SNMPv3). This release adds support for the 168-bit Triple Data Encryption Standard (3DES)
and the 128-bit, 192-bit, and 256-bit Advanced Encryption Standard (AES) encryption
algorithms to SNMPv3.
(SNMPv3). This release adds support for the 168-bit Triple Data Encryption Standard (3DES)
and the 128-bit, 192-bit, and 256-bit Advanced Encryption Standard (AES) encryption
algorithms to SNMPv3.
12.2(52)SE
Support for including a hostname in the option 12 field of DHCPDISCOVER packets. This
provides identical configuration files to be sent by using the DHCP protocol.
provides identical configuration files to be sent by using the DHCP protocol.
12.2(52)SE
DHCP Snooping enhancement to support the selection of a fixed string-based format for the
circuit-id sub-option of the Option 82 DHCP field.
circuit-id sub-option of the Option 82 DHCP field.
12.2(52)SE
Connectivity fault management (CFM) Draft 8.1 compliance to bring the OAM implementation
up to the new IEEE standard.
up to the new IEEE standard.
12.2(52)SE
Support for the TWAMP standard for measuring round-trip network performance between any
two devices that support the protocol.
two devices that support the protocol.
12.2(52)SE
Additional IPv6 support to include IPv6 eBGP, IPv6 SNMP, Syslog, and HTTP as well as IPv6
MLD snooping.
MLD snooping.
12.2(52)SE
Support for QoS marking of CPU-generated traffic and queue CPU-generated traffic on the
egress network ports.
egress network ports.
12.2(52)SE
Support for IPv6 unicast routing, neighbor discovery, default router preference, DHCP server
and relay, IPv6 eBGP, IPv6 SNMP, Syslog, and HTTP as well as IPv6 MLD snooping. Also
supports IPv6 QoS trust functionality.
and relay, IPv6 eBGP, IPv6 SNMP, Syslog, and HTTP as well as IPv6 MLD snooping. Also
supports IPv6 QoS trust functionality.
12.2(52)SE