Dell Force10 S55T FTOS Command Line Reference Guide for the S55 System FTOS 8. - Page 758

www.dell.com | support.dell.com Command History Version 8.3.5.0 Version 7.8.1.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.1.1.1 Introduced on S55 Introduced support of Multi-Process OSPF. Introduced on S-Series Introduced on C-Series Introduced on E-Series Usage Information Related Commands The command area range summarizes routes for the different areas. With "not-advertise" parameter configured, this command can be used to filter out some external routes. For example, you want to redistribute static routes to OSPF, but you don't want OSPF to advertise routes with prefix 1.1.0.0. Then you can configure summary-address 1.1.0.0 255.255.0.0 not-advertise to filter out all the routes fall in range 1.1.0.0/16. area range Summarizes routes within an area. timers spf c e s Set the time interval between when the switch receives a topology change and starts a shortest path first (SPF) calculation. Syntax timers spf delay holdtime To return to the default, enter no timers spf. Parameters delay holdtime Enter a number as the delay. Range: 0 to 4294967295. Default: 5 seconds Enter a number as the hold time. Range: 0 to 4294967295. Default: 10 seconds. Defaults Command Modes Command History delay = 5 seconds; holdtime = 10 seconds ROUTER OSPF Version 8.3.5.0 Version 7.8.1.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.1.1.1 Introduced on S55 Introduced support of Multi-Process OSPF. Introduced on S-Series Introduced on C-Series Introduced on E-Series Usage Setting the delay and holdtime parameters to a low number enables the switch to switch to an alternate Information path quickly but requires more CPU usage. 758 | Open Shortest Path First (OSPFv2 and OSPFv3)