#14120: ar8316 lan-to-lan routing performance is horribly slow
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Reporter: anonymous | Owner: developers
Type: defect | Status: reopened
Priority: normal | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Attitude Adjustment 12.09
Resolution: | Keywords:
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Comment (by th200x@…):
Slow as hell.
OpenWrt latest Build (this is today: openwrt-15.05-ar71xx-generic-tl-
wr1043nd-v2-squashfs-sysupgrade)
PC<=>LAN-Cable<=>WR1043ND on WAN Interface
ethtool eth3 on PC:
Settings for eth3:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
[cut]
=>>>>>>> Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
ethtool eth0 on OpenWrt WR1043ND-V2 TPLink Router:
Settings for eth0:
=>>>>>> Supported ports: [ ]
Supported link modes: 1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: 1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
=>>>>>> Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Current message level: 0x000000ff (255)
drv probe link timer ifdown ifup rx_err
tx_err
Link detected: yes
Looks Nice, but (FYI: OpenWrt WAN IP = 10.10.10.8, PC (Debian) IP =
10.10.10.10) iperf -s on openwrt,
iperf -c 10.10.10.8 on Debian gives me a horrible Perfomance:
iperf -c 10.10.10.8
------------------------------------------------------------
Client connecting to 10.10.10.8, TCP port 5001
TCP window size: 21.0 KByte (default)
------------------------------------------------------------
[ 3] local 10.10.10.10 port 49600 connected with 10.10.10.8 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-11.1 sec 1.38 MBytes 1.03 Mbits/sec
again: iperf -c 10.10.10.8
------------------------------------------------------------
Client connecting to 10.10.10.8, TCP port 5001
TCP window size: 21.0 KByte (default)
------------------------------------------------------------
[ 3] local 10.10.10.10 port 49601 connected with 10.10.10.8 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.8 sec 896 KBytes 682 Kbits/sec
again: iperf -c 10.10.10.8
------------------------------------------------------------
Client connecting to 10.10.10.8, TCP port 5001
TCP window size: 21.0 KByte (default)
------------------------------------------------------------
[ 3] local 10.10.10.10 port 49602 connected with 10.10.10.8 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-13.7 sec 896 KBytes 537 Kbits/sec
Slow slow slow Transfer, on the WAN-Port! The Cable is ok. (only 4 Testing
a 30cm Cable, tested under other hardware, the cable is ok)
What the hell is here wrong?
--
Ticket URL: <https://dev.openwrt.org/ticket/14120#comment:7>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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