I recall reading an Apple KB article that inactivate/reactivate the specific ethernet interface in the Network pref panel is equivalent to releasing/renewing the DHCP lease.
In OS 9, I simply type "L" in the NetworkSetupTest utility from Apple Dev site. (Thanks to Comcast's crummy DHCP and CPE=1 idiocy).
In OS 9, I simply type "L" in the NetworkSetupTest utility from Apple Dev site. (Thanks to Comcast's crummy DHCP and CPE=1 idiocy).