Cisco Cisco Multicast Manager 3.1

If there is no MDI table, CMM examines the CBR table for the flow and retrieves DF and MRV 
information from the CBR table.

For Cisco 7600 devices CMM allows you to set a MLR threshold in packets.

For both Cisco 7600 series devices and Cisco ASR 9000 series (Viking) devices, CMM allows you to set 
a delay factor in milliseconds and generate a VIDEO DF HIGH event when the DF threshold is exceeded. 

For both Cisco 7600 series devices and Cisco ASR 9000 series (Viking) devices, CMM allows you to set 
a maximum and minimum MRV rate in millisecond percentages, and generates alerts if the maximum or 
minimum MRV is exceeded:

When a specified MRV Maximum threshold is exceeded, CMM generates a VIDMON MRV HIGH 
alert.

When a specified MRV Minimum threshold is reached, CMM generates a VIDMON MRV LOW 
alert.

Using the Graphs tab in the CMM Dashboard interface, you can view real-time graphs that compare 
MLR, DF, and MRV data for up to four devices at a time.

CMM 3.1 discovers complete multicast topology from a single seed device, along with the MVPN 
provider and provider edge devices and VRF tables they support. Discovery bridges the provider edge 
to the customer edge to create an end-to-end view of the multicast environment.

CMM discovery includes the ability to discover the routers in the service provider network by starting 
with a single router in the service provider network (PE or P router) as well as discovery of the CE 
routers in the Enterprise networks. Both IOS and IOS-XR based routers are supported.

CMM 3.1 adds support to limit polling of specific multicast flows (identified by source and group) to a 
defined time range for selected days of the week.

CMM 3.1 adds information to the SG Delta trap to indicate information about the router that has a high 
PPS rate deviation and the router which has a low PPS rate deviation. This helps the user to identify the 
router that has been affected.