On 2012/08/27 15:32, Todd And Margo Chester wrote:
On 08/27/2012 03:16 PM, jdow wrote:


ifconfig comes to mind.
{^_^}


$ ifconfig virbr0
virbr0    Link encap:Ethernet  HWaddr 52:54:00:EB:2D:7B
           inet addr:192.168.122.1  Bcast:192.168.122.255 Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

What am I looking for?


MTU:1500

This interface is not doing jumbo frames.

Betcha this shows the same thing:
cat /sys/class/net/virbr0/mtu

(Or find it under /sys/devices/virtual/net possibly.)
Mess with it carefully.

{^_^}

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