iBook delayed finding cable upon waking after 10.4.8

it's been taking 30 secs or so to reconnect to my cable internet.
Roger wrote on :

Anyone else getting this? My iBook used to be online immediately as it woke from sleep; lately (since around the time of the 10.4.8 ) it's been taking 30 secs or so to reconnect to my cable internet. iBook G4.

thanks for any ideas,

Rog