Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, for Cisco NX-OS Release 5.0(2)N1(1) and NX-OS Release 5.0(2)N2(1) OL-22747-02, December 2010)

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Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, for Cisco NX-OS Release 5.0(2)N1(1) and NX-OS Release 5.0(2)N2(1)
OL-22747-02
Upgrading or Downgrading to a New Release
This feature allows configuration of access control for the switch for a VTY, regardless of where the
connection is established (mgmt0 or an external interface).
• AAA Command Authorization with RBAC
Allows you to authorize every command that a user can execute.
• Privilege Level Support for Authorization on TACACS+ Servers
This feature allows you to map the privilege levels configured on TACACS+ servers to user roles
configured on Cisco NX-OS devices.
• HTTP and HTTPS Enable and Disable
This feature allows you to enable or disable HTTP or Hypertext Transfer Protocol Secure (HTTPS).
•
Quality of Service (QoS)
QoS supports configurable buffer settings for no-drop classes for traffic and class-maps of type
match-all for type qos policies.
• Scaling
On the Cisco Nexus 5548 switch the following scaled-up configurations are supported: 4000
VLANs, 4000 IGMP groups and 16 Fabric Extenders.
• FCoE
vFC interfaces now support trunking.
• SPAN
The limit on number egress (TX) sources in a monitor session has been lifted. Port-channel
interfaces can be configured as egress sources.
• Secure Shell (SSH) Enhancements
• MIB Support
This release supports the CISCO-VTP-MIB and the CISCO-BRIDGE-MIB
• Increased Configuration Limits for the Cisco Nexus 5500 Platform Switch
The Cisco Nexus 5500 Platform switch supports new configuration limits for VLANs, FEX, IGMP,
MAC addresses, and logical ports.
For more information about the features listed, see the Cisco Nexus 5000 Series and the Cisco Nexus
2000 Series documentation listed in the“Related Documentation” section on page 44.
Upgrading or Downgrading to a New Release
This section describes the upgrade and downgrade paths that are supported for Cisco NX-OS
Release 5.0(2)N1(1) and Cisco NX-OS Release 5.0(2)N2(1) on the Cisco Nexus 5000 Series switch.
This section includes the following topics:
• Supported Upgrade and Downgrade Paths, page 9
• Upgrading the Power Sequencer on the Cisco Nexus 5010 and Cisco Nexus 5020 Switches, page 11
Supported Upgrade and Downgrade Paths
Table 2 shows the upgrade and downgrade possibilities for Cisco NX-OS Release 5.0(2)N2(1):