1.
Verify that you are logged in to CONFIGURATION mode.
2.
Use the
router isis
command. The prompt changes to include (conf-router_isis).
You can return to CONFIGURATION mode by using the
exit
command.
ROUTER OSPF Mode
To configure OSPF, use ROUTER OSPF mode. For more information, refer to
Open Shortest Path First
(OSPFv2)
.
To enter ROUTER OSPF mode:
1.
Verify that you are logged in to CONFIGURATION mode.
2.
Enter the
router ospf {
process-id
}
command. The prompt changes to include (conf-
router_
ospf-id
).
You can switch to INTERFACE mode by using the
interface
command or you can switch to ROUTER
RIP mode by using the
router rip
command.
ROUTER OSPFV3 Mode
To configure OSPF for IPv6, use ROUTER OSPFV3 mode.
To enter ROUTER OSPFV3 mode:
1.
Verify that you are logged in to CONFIGURATION mode.
2.
Enter the
ipv6 router ospf {
process-id
}
command. The prompt changes to include (conf-
ipv6-router_ospf).
You can return to CONFIGURATION mode by using the
exit
command.
ROUTER RIP Mode
To enable and configure Router Information Protocol (RIP), use ROUTER RIP mode. For more
information, refer to
Routing Information Protocol (RIP)
.
To enter ROUTER RIP mode:
1.
Verify that you are logged in to CONFIGURATION mode.
2.
Enter the
router rip
command. The prompt changes to include (conf-router_rip).
You can return to CONFIGURATION mode by using the
exit
command.
SPANNING TREE Mode
To enable and configure the Spanning Tree protocol, use SPANNING TREE mode. For more information,
refer to
Spanning Tree Protocol (STP)
.
To enter SPANNING TREE mode:
1.
Verify that you are logged in to CONFIGURATION mode.
2.
Enter the
protocol spanning-tree
stp-id
command. The prompt changes to include (conf-stp).
You can return to CONFIGURATION mode by using the
exit
command.
CLI Basics
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