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Cisco AP776A - Nexus Converged Network Switch 5020 Nota de publicación
S e n d d o c u m e n t a t i o n c o m m e n t s t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
The Cisco Nexus 2148T Fabric Extender forwards all traffic to a parent Cisco Nexus 5000 Series switch
over 10-Gigabit Ethernet fabric uplinks, allowing all traffic to be inspected by policies established on
the Cisco Nexus 5000 Series switch. No software is included with the Nexus 2148T. Software is
downloaded and upgraded from its parent Cisco Nexus 5000 Series switch.
The Nexus 2148T has 48 1-Gigabit Ethernet host interfaces for its downlink connection to servers or
hosts and 4 10-Gigabit Ethernet fabric interfaces with SFP+ interface adapters for its uplink connection
to the parent switch.

New and Changed Features in Cisco NX-OS Release 4.1(3)N1(1)

This release includes the following new or changed features:
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For more information about the features listed, see the Cisco Nexus 5000 Series and the Cisco Nexus
2000 Series documentation listed in

Cisco NX-OS Release 4.1(3) N1(1) Upgrade/Downgrade Issues

This section describes issues you may encounter when you upgrade to or downgrade from the Cisco
NXOS 4.1(3) N1(1) release on the Cisco Nexus 5000 Series switch.
This section includes the following topics:
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OL-16601-01
750 Watt power supply
NxOS 4.1.3 parity features
Virtual Port Channels (VPC)
N2K Active-Active over VPC
EtherChannel Enhancements
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16-Port Etherchannel
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16 Etherchannels
Etherchannel load balancing commands
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N2K connectivity over Expansion modules
ACL For N2K ports over FEX-fabric Port-Channel
PVLAN Isolated and Promiscuous Trunk
Support for 512 VLANs (512 minus number of VSANs configured)
Native 802.1q VLAN tag
ACL based QoS classification and Marking
FCoE: Support for T11 based FIP
CEE DCBX
FCoE co-existence with VPC
Support for SMI-S
DCNM Support
Upgrading from Cisco NX-OS 4.0(1a)N1-Based Releases to 4.1(3)N1-Based Releases, page 6
Downgrading from Cisco NX-OS 4.1(3)N-Based Releases, page 6
Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, Release 4.1(3)N1(1)
New and Changed Features in Cisco NX-OS Release 4.1(3)N1(1)
the"Related Documentation" section on page
26.
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