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secdoc
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Joined: Mon Feb 12, 2024 10:48 pm

SWOS Rx MAC Errors and high Jitter Packet Loss on Streaming/Meeting Services such as Zoom

Mon Feb 12, 2024 11:08 pm

Hello all...running into an issue. Have multiple CRS devices:
Mikrotik Switches running SWOS 2.13
1x CRS326-24
2x CRS312-4C-8XG
2x CRS309-1G-8S
2x CRS305-1G-4S
They are connected to an OPNsense FW for L3 and DHCP services:
OPNsense DEC850
OPNsense 23.10.2-amd64 Business Edition
FreeBSD 13.2-RELEASE-p7
OpenSSL 1.1.1w
I am getting a high jitter/packet loss on streaming/meeting services such as Zoom. I have a 5Gbps fiber Internet link and the backbone of the internal network is using the Mikrotik 10G. While I did have some issues with the service provider fiber, that appears to have been resolved and when doing testing connecting directly to a FW interface, I do not see the drops. Any thoughts on how to monitor or isolate the issue in the switches from an L2 perspective?
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