TL-SG108E 3.0 very slow VLAN speeds
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I have a TL-SG108E v3 connected by a trunk on port 1 to a pfsense box. This trunk carries 3 x VLANs that then go out to 2 x EAP 245 access points & to other clients.
802.1Q VLAN Configuration
| VLAN ID | VLAN Name | Member Ports | Tagged Ports | Untagged Ports | Delete |
| 1 | Default | 1-8 | 1-8 | ||
| 10 | VLAN_ADMIN | 1-3,8 | 1-3 | 8 | |
| 20 | VLAN_GUEST | 1-3,6 | 1-3 | 6 | |
| 30 | VLAN_VPN | 1-5 | 1-3 | 4-5 | |
| 40 | VLAN_LOCAL | 1-3,7 | 1-3 | 7 |
Port 1 is connected to the pfsense trunk - ports 2,3 are the access points then the rest are port based VLANs as above. Everything works as expected - all clients can connect to the expected VLANs with the ip serverd from the pfsense dhcp.
My problem is that if I run iperf tests between any client & the pfsense box, whether directly connected to the switch or through the access points- speeds are abysmal - max 50 Mbits/s. If I reset the switch & just connects directly to the switch with a cable from another port going to the pfsense box I get 640 Mbits/s.
Is this normal with VLANs enabled on this switch?