OSPF graceful shut down feature is introduced in OSPF version 3. It is used to shut down The OSPF on a particular interface or to shut down an OSPF neighbor-ship. It is the same as we can do in BGP. Using this feature we can disable the or shut down the OSPF on interface. OSPF… Read More »
OSPF fast hello is used for fast OSPF conversion. it is supported from OSPF version 3 (IOS XE). OSPF fast hello packets means , hello packets will be send at the interval of less than one second. We can configure it by using below command: Above command will be configure on interface as you can… Read More »
Private VLANs are used to add more security and to isolate the traffic of hosts into the same VLAN. when we need to separate /restrict the traffic inside a VLAN. Means we can break a broadcast network (VLAN) into multiple smaller VLANs. so users of the same VLAN can’t communicate to other users. It is… Read More »
Switch port protected is used to prevent the communication between two or more ports which are configured as switch-port protected. But an protected port can communicate with an unprotected port and vice versa. Protected port to protected port – communication is not allowed Protected port to unprotected port – communication is allowed Unprotected port to… Read More »
Power recycle the router (reboot) Press the combination of ctrl and break key (This will move the router into ROMMON mode) Change the configuration register key by entering confreg 0x2142 command (This register key will by pass the loading of startup configuration when router will reboot) Reload the router by entering reload command Enter into… Read More »