Monday, September 23, 2019

Packet Loss Issue

The company I work for has been dealing with an internet issue for about two months now. The issue went away after we did some troubleshooting / changes and I thought it was resolved.

We're seeing slowness across our WAN. I'm seeing about a 30% packet loss when pinging devices. Our setup goes ISP - unmanaged switch - 2 Fortigate 200E (in HA) then they each go to one of our main switches (HPE E5406 zl). I'll see packet loss if i ping any virtual IP on the main switches from the fortigates. Unless it's the same VLAN as the fortigate IP. What steps can I take to troubleshoot this further. I suspect the main switches are causing the issue but i'm not sure where to look.



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