Category: CCNA Study Guide
Command Clear IP OSPF Process Use Reloads the ospf process. Syntax Router#clear ip ospf process Example In this example, the OSPF process is reloaded on R1. Before changing anything, here is the OSPF information on R2. R2(config-router)#do show ip ospf neighNeighbor ID Pri State Dead Time Address Interface …
Command Clear IP Route * Use Clears the routing table. Syntax Route#clear ip route * Example For this example, the routing table is cleared on R2. Here is the routing table before clearing it. R2(config-router)#do show ip route rip 1.0.0.0/32 is subnetted, 3 subnets R 1.1.1.1 via 10.1.1.1, 00:00:22, …
Command Debug IP OSPF Events Use Displays all the OSPF event messages on the router. Syntax Router#debug ip ospf events Example The following example shows what happens when debug ip ospf events is turned on for R2. R2(config-router)#do debug ip ospf events OSPF events debugging is on R2(config-router)# Here are …
Command Debug IP Routing Use This command enables debugging messages related to the routing table. This debug is particularly useful for finding routing loops. Since the routing table is normally stable, you will only see debug messges when there are route changes. Syntax Router#debug ip routing Example In …
Command Debug IP RIP Use This command enables RIP debugging messages. The debugging shows RIP updates that are being sent and received. Syntax Router#debug ip rip Example In the below example we enable RIP debugging on R2. R2#debug ip rip RIP protocol debugging is on R2# *Mar 1 …
Command Debug IP OSPF Adj Use Turns on OSPF adjacency events debugging on the router. Syntax Router#do debug ip ospf adj Example This example demonstrates what occurs when enabling adjacency debugging on R2. R2(config-router)#do debug ip ospf adj OSPF adjacency events debugging is on Shortly afterwards, int fa0/0 …
Command Debug IP Packet Detail Use This command enables detailed IP packet debugging messages. The debugging shows detailed IP information being processed by the route. , Also, you can use an access-list to limit the debug output. Syntax Router#debug ip packet detail OR Router#debug ip packet detail <access-list> Example …
Command Debug IP OSPF Packet Use Displays the actual packets sent and received by OSPF. Syntax Router#debug ip ospf packet Example In this example, OSPF packet debugging is enabled on R2. R2(config-router)#do debug ip ospf packet OSPF packet debugging is on Here are some of the output after …
Command Debug IP EIGRP Use Shows all EIGRP routing messages. Syntax Router#debug ip eigrp Example In this example, debug ip eigrp is used to display all eigrp routing messages on R2. R2(config-router)#do debug ip eigrp Here are some of the debug messages shown after issuing the command. R2(config-router)# …
Command Debug IP Packet Use This command enables IP packet debugging messages. The debugging shows all IP information being processed by the router. You can also use an access-list to limit the debug output. Syntax Router#debug ip packet OR Router#debug ip packet <access-list> Example In the below example, …
