Requirement:
ArubaOS Switch
Solution:In the following example, switch Rack2sw1 is configured for IGMP version 3.
Configuration:
---------- VLAN 108 IGMP Configuration ----------
Rack2sw1(config)# igmp lookup-mode ip
Mode change is not allowed when IGMP is configured on at least one of the VLANs.
Remove IGMP configurations on all VLANs using'no ip igmp' command.
Rack2sw1(config)# vlan 108 ip igmp version 3
Rack2sw1(config)# vlan 108 ip igmp
Verification
---------- VLAN 108 IGMP Verification ----------
Rack2sw1# show ip igmp config | exclude No
IGMP Service Config
Control unknown multicast [Yes] : Yes
Forced fast leave timeout [0] : 4
Delayed flush timeout [0] : 0
Look-up Mode [mac] : ip
VLAN ID VLAN Name IGMP Enabled Querier Allowed IGMP Version Querier Interval
------- ----------------------------- ------------ --------------- ------------ ----------------
108 Standalone-VMC Yes Yes 3 125
Rack2sw1# show ip igmp vlan 108
IGMP Service Protocol Info
Total VLANs with IGMP enabled : 1
Current count of multicast groups joined : 1
IGMP Filter Unknown Multicast: Disabled
IGMP Filter Unknown Multicast Status: Disabled
VLAN ID : 108
VLAN Name : Standalone-VMC
IGMP version : 3
Querier Address [this switch] : 10.0.108.1
Querier Port :
Querier UpTime : 0h 3m 13s
Querier Expiration Time : 0h 2m 3s
Active Group Addresses Tracking Vers Mode Uptime Expires
---------------------- -------- ---- ---- -------- - -------
239.0.82.11 Filter 3 EXC 6m 58s 3m 41s
Rack2sw1# show ip igmp vlan 108 group 239.0.82.11
IGMP ports and group information for group 239.0.82.11
VLAN ID : 108 VLAN Name : Standalone-VMC
Group Address : 239.0.82.11
Last Reporter : 10.0.108.100
Group Type : Filter
V1 V2 Filter Sources Sources
Port Vers Mode Uptime Expires Timer Timer Timer Forwarded Blocked
------ ---- ---- -------- -------- ------- -------- -------- --------- -------
9 3 EXC 3m 13s 3m 15s 0m 0s 3m 15s 0 0
---------- IGMP Debugging ----------
Rack2sw1# debug destination buffer
Rack2sw1# debug ip igmp
Rack2sw1# show debug
Debug Logging
Source IP Selection: Outgoing Interface
Origin identifier: Outgoing Interface IP
Destination:
Memory buffer
Time-stamp: System-Uptime
Enabled debug types:
ip igmp
ip igmp rxPackets
ip igmp txPackets
A membership report is displayed every two minutes.
Rack2sw1# show debug buffer | include 108
0021:22:15:03.50 IGMP mIpPktRecv: Received an IGMP v3 membership report; VID:108
port:9 src:10.0.108.100 dest:224.0.0.22
0021:22:17:14.76 IGMP mIpPktRecv: Received an IGMP v3 membership report; VID:108
port:9 src:10.0.108.100 dest:224.0.0.22
0021:22:19:20.20 IGMP mIpPktRecv: Received an IGMP v3 membership report; VID:108
port:9 src:10.0.108.100 dest:224.0.0.22
0021:22:21:20.78 IGMP mIpPktRecv: Received an IGMP v3 membership report; VID:108
port:9 src:10.0.108.100 dest:224.0.0.22
0021:22:23:29.16 IGMP mIpPktRecv: Received an IGMP v3 membership report; VID:108
port:9 src:10.0.108.100 dest:224.0.0.22
---------- Wireshark Output ----------
Ethernet II, Src: Vmware_a1:e3:16 (00:0c:29:a1:e3:16), Dst: IPv4mcast_16 (01:00:5e:00:00:16)
Internet Protocol Version 4, Src: 10.0.108.100, Dst: 224.0.0.22
Internet Group Management Protocol
[IGMP Version: 3]
Type: Membership Report (0x22)
Reserved: 00
Checksum: 0x9af2 [correct]
[Checksum Status: Good]
Reserved: 0000
Num Group Records: 1
Group Record : 239.0.82.11 Mode Is Exclude
Record Type: Mode Is Exclude (2)
Aux Data Len: 0
Num Src: 0
Multicast Address: 239.0.82.11