Monthly Archives: July 2007

Cisco VLAN

Following is an example Cisco VLAN configuration. Create and name two VLANs in Cisco switch Switch_A#vlan database Switch_A(vlan)#vlan 2 name VLAN2 Switch_A(vlan)#vlan 3 name VLAN3

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Telnet sessions

Suspend the current Telnet session: Ctrl-Shift-6 x enter show sessions: Reveals all sessions are in used. To Resume the previouly suspended telnet session: Type the number of the session shown on show sessions

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Cisco CDP Configuration

These are some of the Cisco IOS commands use in managing CDP on Cisco router & switch show cdp interface show cdp neighbors show cdp neighbors detail debug cdp packets undebug all show cdp traffic clear cdp counters

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Using Cisco IOS show commands

Following are some of the Cisco IOS show command on Cisco router / switch show ? show version show clock show hosts show users show history show arp show flash show running-config show starup-config show interface show protocol

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Router Operation

Some notes on Cisco IOS router configuration. Using TFTP for Cisco IOS Backup & Updates Router#copy tftp flash Using TFTP for Configuration File Backups & UPdates

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Cisco Networking Basics

Private Addressing 10.0.0.0 – 10.255.255.255 172.16.0.0 – 172.31.255.255 192.168.0.0 – 192.168.255.255

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