[Asterisk-Users] QoS General Question

Geoff Manning gmanning at zoom.com
Tue Aug 9 11:35:20 MST 2005


Julio Arruda wrote:
> 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
> 

We'll have only about 5 or 6 concurrent ulaw/alaw calls. And the server is
on the LAN with all the other workstations.

Here is my output of ifconfig where you can see alot of collisions.

eth0      Link encap:Ethernet  HWaddr 00:13:20:17:DA:84
          inet addr:172.16.64.15  Bcast:172.16.255.255  Mask:255.255.240.0
          inet6 addr: fe80::213:20ff:fe17:da84/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:45521263 errors:0 dropped:0 overruns:0 frame:247
          TX packets:46135708 errors:0 dropped:0 overruns:0 carrier:0
          collisions:70538 txqueuelen:1000
          RX bytes:1261961045 (1.1 GiB)  TX bytes:1711703099 (1.5 GiB)
          Interrupt:177



Thanks,
Geoff



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