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Solved
100Mbps throughput on 1Gbps fiber connection
I'm running a throughput test with iperf between an M6100 with 2 physical fiber connections in a LAG configuration that run to a M4100 in a nearby building. I've checked the settings on both devices ...
Alright, so there's something wrong with the 1Gbps NIC in one of the laptops. We hooked up a new USB-C NIC and are getting the advertised speeds. Thanks for the replies.
Would be interesting to see the SFP+ ports and related LAG config fragments.
Consider to get in touch with the Netgear support anyway...
M6100 Config
LLDP Remote Device Summary Local Interface RemID Chassis ID Port ID System Name --------- ------- -------------------- ------------------ ------------------ 1/0/25 155 CC:40:D0:37:80:A8 0/24 2/0/25 154 CC:40:D0:37:80:A8 0/23 interface lag 25 cos-queue min-bandwidth 0 2 0 0 0 0 0 description 'Building 25' vlan participation include 501-505,1030 vlan tagging 1,501-505,1030 Media STP Physical Physical Link Loop Partner Flow Intf Type Mode Mode Status Status Status Control ------ ----------- ------ ---------- ---------- -------- -------- ------------ 1/0/25 1000LX DIS Auto 1000 Full Up On 2/0/25 1000LX DIS Auto 1000 Full Up On lag 25 FWD Up NA
M4100 Config
LLDP Remote Device Summary
Local
Interface RemID Chassis ID Port ID System Name
------- ------- -------------------- ------------------ ------------------
0/23 1 A0:63:91:82:26:98 2/0/25 NetGear M6100
0/24 2 A0:63:91:82:26:98 1/0/25 NetGear M6100
interface lag 1
description 'Uplink to CORE'
ip dhcp snooping trust
ip dhcp snooping log-invalid
vlan participation include 501-502,504-505,1030
vlan tagging 1,501-502,504-505,1030
exit
Media STP Physical Physical Link Loop Partner Flow
Intf Type Mode Mode Status Status Status Control
------ ----------- ------ ---------- ---------- -------- -------- ------------
0/7 1000TX FWD Auto 1000 Full Up On
0/8 1000TX FWD Auto 1000 Full Up On
0/9 1000TX FWD Auto 1000 Full Up On
0/10 1000TX FWD Auto 1000 Full Up On
0/23 1000BASE-LX DIS Auto 1000 Full Up Off
0/24 1000BASE-LX DIS Auto 1000 Full Up Off
lag 1 FWD Up Off
I removed cos-queue min-bandwidth from the global config. Will test again and report back.
Alright, so there's something wrong with the 1Gbps NIC in one of the laptops. We hooked up a new USB-C NIC and are getting the advertised speeds. Thanks for the replies.
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