Cisco Cisco IOS Software Release 12.2(58)SE
6
Release Notes for the Catalyst 3750 Metro Switch Cisco IOS Release 12.2(58)SE1 and Later
OL-24336-02
Minimum Cisco IOS Release for Major Features
•
The DHCPv6 relay source configuration feature to configure a source address for DHCPv6 relay
agent.
agent.
•
Enhancements to RADIUS, TACACS+, and SSH to function over IPv6.
•
Support for the Virtual Router Redundancy Protocol (VRRP) for IPv4, which dynamically assigns
responsibility for one or more virtual routers to the VRRP routers on a LAN, allowing multiple
routers on a multiaccess link to utilize the same virtual IP address.
responsibility for one or more virtual routers to the VRRP routers on a LAN, allowing multiple
routers on a multiaccess link to utilize the same virtual IP address.
•
Support for IPv4 and IPv6 Gateway Load Balancing Protocol (GLBP) for automatic router backup
for IP hosts configured with a single default gateway on a LAN.
for IP hosts configured with a single default gateway on a LAN.
•
Support for IPv6 features with Catalyst 3750 Metro ES-port specific features, such as hierarchical
QoS.
QoS.
•
Support for IPv6 DHCP server, client and relay in a virtual routing and forwarding (VRF)
environment with limited VRF flexibility.
environment with limited VRF flexibility.
•
Support for IPv6 Multi-Protocol VRF-CE (also referred to as VRF-Lite).
•
Support for Layer 2 protocol tunneling for Link Layer Discovery Protocol (LLDP) traffic.
Minimum Cisco IOS Release for Major Features
Note
Features not included in the table are available in all releases. You can see a list of features from the first
release:
release:
Table 3
Catalyst 3750 Metro Switch Features and the Minimum Cisco IOS Release Required
Feature
Minimum Cisco IOS
Release Required
Release Required
VACL logging
12.2(58)SE1
Call Home support
12.2(58)SE1
IP/IF MIBs for IPv6
12.2(58)SE1
NTPv4 over IPv6
12.2(58)SE1
DHCPv6 bulk lease query and DHCPv6 relay source configuration
12.2(58)SE1
RADIUS, TACACS+, and SSH/SCP over IPv6
12.2(58)SE1
VRRP version 4 support
12.2(58)SE1
GLBP for IPv4 and IPv6 with VRF-Lite
12.2(58)SE1
IPv6 unicast routing in VRF-Lite
12.2(58)SE1
Support for IPv6 features with ES-port specific features
12.2(58)SE1
VRF-aware IPv6 DHCP server and client support
12.2(58)SE1
802.1Q LLDP tunneling
12.2(58)SE1
Configuration of an alternate MTU value for specific interfaces
12.2(55)SE
BFD Protocol on SVIs
12.2(55)SE