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Forum Discussion
Solved
Switch drop PTP multicast
Hi , I try to configure a m4300 8x8f switch with three connected devices, a PTP source and two PTP receiver. But i have a problem, the switch seems to drop every ptp multicast packet. I have acti...
Problem fixed, IGMP on master clock was is in version 2 but IGMP on netgear switch was is in version 3. Downgrade to version 2 and all works fine.
Retired_Member
I have try:
set igmp
set igmp header-validation
set igmp querier
set igmp proxy-querier
But PTP multicast traffic is still dropped.
So, this is the results of the commands:
1. show ip mroute summary
Multicast route table summary
Incoming Outgoing
Source IP Group IP Protocol Interface Interface List
--------------- --------------- ---------- --------- ---------------
192.168.4.1 224.0.1.129 PIMDM 1/0/9
2. i. show ip igmp groups 1/0/11
IP Address..................................... 192.168.2.2
Subnet Mask.................................... 255.255.255.0
Interface Mode................................. Enabled
Querier Status................................. Querier
2. ii. show ip igmp groups 1/0/13
IP Address..................................... 192.168.5.2
Subnet Mask.................................... 255.255.255.0
Interface Mode................................. Enabled
Querier Status................................. Querier
3. show interface counters
Port InOctets InUcastPkts InMcastPkts InBcastPkts InDropPkts
--------- ---------------- ---------------- ---------------- ---------------- ----------------
1/0/1 0 0 0 0 0
1/0/2 0 0 0 0 0
1/0/3 0 0 0 0 0
1/0/4 0 0 0 0 0
1/0/5 0 0 0 0 0
1/0/6 0 0 0 0 0
1/0/7 0 0 0 0 0
1/0/8 0 0 0 0 0
1/0/9 800 0 8 0 0
1/0/10 0 0 0 0 0
1/0/11 3243 46 0 0 0
1/0/12 0 0 0 0 0
1/0/13 0 0 0 0 0
1/0/14 0 0 0 0 0
1/0/15 0 0 0 0 0
1/0/16 0 0 0 0 0
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