MTU

[Tomas Charvat]

      wlan1 wlan1 Ethernet    1514 14  255.255.255.192
      eth0 eth0 Ethernet    1514 14 172.20.4.1 255.255.255.248 172.20.4.0
      wlan0 wlan0 Ethernet    1514 14 172.20.4.9 255.255.255.248 172.20.4.8
      wlan2 wlan2 Ethernet    1514 14 172.20.4.33 255.255.255.240
172.20.4.32
      wlan1:0 wlan1:0 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:1 wlan1:1 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:2 wlan1:2 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:3 wlan1:3 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:4 wlan1:4 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:5 wlan1:5 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan1:6 wlan1:6 No link-layer encapsulation virtual    8232 4
255.255.255.0
      wlan2:0 wlan2:0 No link-layer encapsulation virtual    8232 4
172.20.5.1 255.255.255.0
      wlan2:1 wlan2:1 No link-layer encapsulation virtual    8232 4
172.20.5.17 255.255.255.0 17.5.20.172
      wlan2:2 wlan2:2 No link-layer encapsulation virtual    8232 4
172.20.5.49 255.255.255.0 49.5.20.172


Well ... look at the MTU value, right behind encapsulation

all of these values are default ... do you have any tip, why should virtual
interface sutch MTU ?
is it hostap related ? ( i dont think so)
i know i can set up mtu by myself..... but this is quite interesting

regards
tomas