I. Description
The multicast protocol is running on S7500 switch, and some VLANs have multicast receivers. If the virtual interfaces of these VLANs are deleted by mistake, it will cause the multicast protocol running abnormally on the switch.
This issue will not occur on XG-Bus Uplink board.
II. Resolution
1. Please do not do delete the relevant VLAN interface when the multicast protocol is running. If the operation has to be done, please cut off the multicast date flow firstly, and input the following command, then the VLAN interface can be deleted.
<switch> reset pim routing-table all
2. If the problem has already occurred, the system can be recovered by reset the relevant LPU boards.
3. The latest software, Release R3135P08, has resolved this issue. You may upgrade the COMWARE to this version.
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