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Command VTP Domain Use This is the legacy command for setting up a VTP domain name and enabling VTP on a network. If you have full communication between your VTP network, you only need to use this command on the VTP server because other switches will automatically learn …
Command Vlan Use This is the legacy way to configure VLANs on a switch. While this mode is being depreciated, you will still encounter it on older switches or routers with switch modules. On newer IOS releases, VLANs are configured in configure mode. Syntax Switch(vlan)#vlan <number> OR Switch(vlan)#vlan …
Command Configure Terminal Use To enter global configuration mode, use the configure terminal command in privileged EXEC mode. Syntax Switch#configure terminal Example In this example, the user switches to global configuration mode by entering in the configure terminal command. CopySwitch# configure terminal Switch(config)#
Command Vlan Database Use This command enters the VLAN database on a switch. This is the legacy way to configure VLAN and VTP information on switches. On newer IOS releases, VLANs and VTP are configured in configure mode. Syntax Switch#vlan database Example In the below example we will …
Command Clear IP EIGRP Neighbors Use Clears the EIGRP adjacencies on the router. Syntax Router#clear ip eigrp neighbors Example In this example the EIGRP adjacencies are cleared on R1. Here are the adjacencies on R1 before clearing. CopyR1#show ip eigrp neighbors IP-EIGRP neighbors for process 100 H Address Interface Hold …
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. CopyR2(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. CopyR2(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. CopyR2(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. CopyR2#debug ip rip RIP protocol debugging is on R2# *Mar 1 …
