New and Changed Information
The following table provides an overview of the significant changes to this guide for this release. The table does not provide an exhaustive list of all changes made to the guide or of the new features up to this release.
Feature |
Description |
Where Documented |
---|---|---|
IGMP and MLD packets forwarding through 802.1Q tunnels |
IGMP and MLD packets can now be forwarded through 802.1Q tunnels. |
About ACI 802.1Q Tunnels |
Storm policer enforcement for all forwarded control traffic |
The storm policer is now enforced for all forwarded control traffic in the leaf switch for the DHCP, ARP, ND, ICMP, HSRP, PIM, IGMP, and EIGRP protocols. This behavior change applies only to EX and later leaf switch switches. |
Feature |
Description |
Where Documented |
---|---|---|
Port breakout supported on ports 1 through 34 for the Cisco Nexus N9K-C9336C-FX2 switch |
40Gb and 100Gb dynamic breakouts are now supported on ports 1 through 34, and all 34 ports can be configured as breakout ports. Prior to the 4.2(4) release, breakouts were supported only on ports 1 through 30, and a maximum of 20 ports could be configured as breakout ports. |
Feature |
Description |
Where Documented |
---|---|---|
Traffic storm control SNMP traps |
Support is now available for triggering SNMP traps from Cisco ACI when storm control thresholds are met. You configure a storm control on SNMP trap using a trap name in the MIB definition. |