WebApr 4, 2024 · Each time a router receives an IGMP membership report for a particular group or channel, the Cisco IOS software checks to see if either the limit for the global IGMP state limiter or the limit for the per interface IGMP state limiter has been reached. ... Device# show ip igmp groups WebApr 4, 2024 · This class-map describes the information about multicast groups. The IGMP proxy joins for different multicast groups are sent if the following conditions are met: …
IP Multicast Troubleshooting Guide - Cisco
WebApr 2, 2024 · Displays the multicast groups that are directly connected to the device and that were learned through IGMP. show ip igmp interface [type number] Displays multicast-related information about an interface. show ip igmp profile [ profile_number] Displays IGMP profile information. show ip igmp ssm-mapping [ hostname/IP address] WebIP hosts use IGMP to report their group memberships to directly connected multicast routers. IGMP uses group addresses (Class D IP address) as group identifiers. Host group address can be in the range 224.0.0.0 to 239.255.255.255. The address 224.0.0.0 is never assigned to any group. The address 224.0.0.1 is assigned to all systems on a subnet. chit chat inverness
Cisco Security Appliance Command Line Configuration Guide, …
WebJul 15, 2024 · Possible Fix 2. You can use the ip igmp static-group command instead of the ip igmp join-group command. Note: Due to previous issues, it is possible that you see high CPU usage around 90 percent. CPU comes down to normal when you resolve them with these possible fixes. Use the show ip igmp groups command at the first upstream router connected to the receiver to check that the interface has joined the group. Use the ping command to check the reachability of the host and the first upstream router. Use the show ip igmp interface command to check the IGMP … See more The commands in this section can also be useful when troubleshoot, especially when you test the network packet flow and find the points of failure … See more When you troubleshoot multicast networks, it is good to consider the signaling protocol used in the network and packet flow. The signaling protocol is used to setup and tear down the multicast sessions (such as … See more The commands in this section help you gather useful information when troubleshoot a multicast problem. Refer to the Cisco IOS IP … See more WebDec 2, 2015 · The ip igmp static-group command is used as a solution in order to forward the traffic from the router R1 towards the router R4 in a static fashion. In this scenario, the router R1 sends a PIM Join request upstream (to the source or RP) and attracts the multicast stream (10.1.3.3, 232.1.1.1). graphwork 5