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Slow internet download speed (local is working great)

Excaliber

Cadet
Joined
Sep 23, 2022
Messages
2
Hey all, first time installing TrueNAS.
I have a 1Gbit fiber optic internet connection but I don't get full speed when using `speedtest-cli` tool,
I usually get around 400Mbps.

Some clarifications:
  1. On my PC I get around 850Mbps which is consistent and reasonable (using speedtest.net)
  2. The local transfer speeds (between my NAS and PC) are great and consistent, getting about 1000Mbps, tested using `openspeedtest`
  3. I had a similar problem when my NAS run Windows 10, there it was even slower, it was one of the reasons I switched to TrueNAS
  4. When booting from an Ubuntu "live disk" I get full speed, similar to my PC
  5. I rarely download speed of 800Mbps on the NAS, when running the test multiple times.
  6. I have tried turning on and off `Disable Hardware Offloading` - did not help

Specs:
Intel(R) Core(TM) i7-5930K CPU @ 3.50GHz
8GB DDR4
1TB SSD as the disk where the OS is running
512 SSD for more backup (Google Drive sync)
4TB HDD

ifconfig report:
Code:
root@truenas[~]# ifconfig
em0: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: em0
        options=812098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWFILTER>
        ether 08:62:66:7c:e9:f1
        inet 192.168.68.113 netmask 0xffffff00 broadcast 192.168.68.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=9<PERFORMNUD,IFDISABLED>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
        inet 127.0.0.1 netmask 0xff000000
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
pflog0: flags=0<> metric 0 mtu 33160
        groups: pflog
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 58:9c:fc:10:ff:f4
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: vnet0.4 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 8 priority 128 path cost 2000
        member: vnet0.3 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 7 priority 128 path cost 2000
        member: vnet0.2 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 6 priority 128 path cost 2000
        member: vnet0.1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 5 priority 128 path cost 2000
        member: em0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 20000
        groups: bridge
        nd6 options=9<PERFORMNUD,IFDISABLED>
vnet0.1: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: associated with jail: netdata as nic: epair0b
        options=8<VLAN_MTU>
        ether 0a:62:66:2b:e6:94
        hwaddr 02:9c:45:7e:82:0a
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=9<PERFORMNUD,IFDISABLED>
vnet0.2: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: associated with jail: openspeedtest as nic: epair0b
        options=8<VLAN_MTU>
        ether 0a:62:66:62:52:c3
        hwaddr 02:9c:96:9b:63:0a
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=9<PERFORMNUD,IFDISABLED>
vnet0.3: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: associated with jail: plex as nic: epair0b
        options=8<VLAN_MTU>
        ether 0a:62:66:14:fa:09
        hwaddr 02:e1:3d:3c:1d:0a
        groups: epair
        media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
        status: active
        nd6 options=9<PERFORMNUD,IFDISABLED>
vnet0.4: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: associated with jail: qbitorrent as nic: epair0b
        options=8<VLAN_MTU>
        ether 0a:62:66:4c:89:10

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Thank you all so much!!!
Will provide any more information if needed
 

sretalla

Hall of Famer
Joined
Jan 1, 2016
Messages
6,964
Check the node (shown as "selected server") being used from your TrueNAS host and the PC and see if it's the same... often different nodes will produce different results due to distance or capacity differences.

See some of the stuff discussed in this thread:

 

Excaliber

Cadet
Joined
Sep 23, 2022
Messages
2
Check the node (shown as "selected server") being used from your TrueNAS host and the PC and see if it's the same... often different nodes will produce different results due to distance or capacity differences.

See some of the stuff discussed in this thread:

Yeah, same node.
Will check the link you posted, thanks!
 
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