Half duplex by itself doesn't hurt (depends in number of calls and etc
really, but anyway...)
What is a killer for VOIP is duplex mismatch.
If you have autonegotiation enabled, and your peer (the switch ?) has
autoneg off, and 100/Full-duplex hard coded, you WILL have a duplex
mismatch.
And this is as per the spec
Geoff Manning wrote:
Eric Wieling aka ManxPower wrote:
In my experience, for local LAN audio issues, duplex problems are the
problem, not LAN traffic.
Rock on!
I am in half duplex mode:
serv01:~# ethtool eth0
Settings for eth0:
Supported ports: [ MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Half
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Current message level: 0x000000ff (255)
Link detected: yes
This could help solve a lot of quality issues.
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