Sun Microsystems 1.0 - Manual (Page 57)

Improving Network Performance 31
4
▼ To Disable MTU Path Discovery
Many bridges do not support MTU path discovery.
♦ To disable this feature in order to transmit packets across a bridge, type:
MTU path discovery is re-enabled each time the machine is rebooted.
▼ To Tune the Target Token Rotation Time (TTRT)
The target token rotation time (TTRT) for the network is the lowest value of
T_req bid during the claim process. Follow these steps to change the value of
T_req bid:
1. Log in as root or become superuser .
2. Edit the /etc/system file to add the following line:
3. Reboot the machine to apply the changes to the system.
# ndd —set /dev/ip ip_path_mtu_discovery 0
set pf:pf_treq=8000