New and Changed Information
This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide and where they are documented.
Feature |
Description |
Changed in Release |
Where Documented |
---|---|---|---|
mac address-table limit |
Introduced this command. |
7.0(3)F3(4) |
|
mac-address bpdu source version 2 command. |
Triggers STP to use the new Cisco MAC address (00:26:0b:xx:xx:xx). |
NX-OS 7.0(3)I7(2) | Configuring Rapid PVST+ Using Cisco NX-OS |
Reflective Relay |
Added Reflective Relay support for C93180YX-EX and C93180LC-EX Series switches. |
NX-OS 7.0(3)I7(1) |
Configuring Reflective Relay for Layer2 Switching |
mac-address bpdu source version 2 command. |
Triggers STP to use the new Cisco MAC address (00:26:0b:xx:xx:xx). |
NX-OS 7.0(3)I6(2) |
Configuring Rapid PVST+ Using Cisco NX-OS |
PVLANs |
Added PVLAN support for vPCs and port channels on Cisco Nexus 9500 Series switches. |
NX-OS 7.0(3)I5(2) |
Guidelines and Limitations for Configuring Private VLANs |
system private-vlan fex trunk command |
Enables PVLANs to be brought up on non-PVLAN FEX trunks. |
NX-OS 7.0(3)I5(1) |
|
PVLANs |
Added PVLAN support for vPCs and port channels on Cisco Nexus 9300 and 9300-EX Series switches. |
NX-OS 7.0(3)I5(1) |
Guidelines and Limitations for Configuring Private VLANs |
Private VLANs on FEX host interface ports |
Added support for private VLANs (PVLANs) on FEX host facing ports (FEX HIF ports). |
7.0(3)I2(1) |
|
Cut-through switching mode support |
Enables cut-through switching mode when forwarding the frame. |
7.0(3)I1(2) |
|
Private VLAN support |
Enables association of primary and secondary VLANs to form a private VLAN |
7.0(3)I1(2) |