Commands You Should Master When the Cisco Switch Works.

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1. Set the hostname/systemname on the IOS-based switch:

Switch(config)# hostname hostname

Set the hostname/system name on the CLI-based switch:

Switch(enable) set system name name-string

2. Set the login password on the IOS-based switch:

Switch(config)# enable password level 1 password

Set the login password on the CLI-based switch:

Switch(enable) set password

Switch(enable) set enalbepass

3. Set up remote access on IOS-based switches:

Switch(config)# interface vlan 1

Switch(config-if)# ip address ip-address netmask

Switch(config-if)# ip default-gateway ip-address

Set up remote access on a CLI-based switch:

Switch(enable) set interface sc0 ip-address netmask broadcast-address

Switch(enable) set interface sc0 vlan

Switch(enable) set ip route default gateway

4. Enable and browse CDP information on IOS-based switches:

Switch(config-if)# cdp enable

Switch(config-if)# no cdp enable

In order to view the CDP notification information of Cisco neighboring devices:

Switch# show cdp interface [type modle/port]

Switch# show cdp neighbors [type module/port] [detail]

Enable and browse CDP information on a CLI-based switch:

Switch(enable) set cdp {enable|disable} module/port

In order to view the CDP notification information of Cisco neighboring devices:

Switch(enable) show cdp neighbors[module/port] [vlan|duplex|capabilities|detail]

5. Port description of the IOS-based switch:

Switch(config-if)# description description-string

Port description for CLI-based switches:

Switch(enable)set port name module/number description-string

6. Set the port speed on the IOS-based switch:

Switch(config-if)# speed{10|100|auto}

Set the port speed on a CLI-based switch:

Switch(enable) set port speed moudle/number {10|100|auto}

Switch(enable) set port speed moudle/number {4|16|auto}

7. Set the Ethernet link mode on the IOS-based switch:

Switch(config-if)# duplex {auto|full|half}

Set the link mode of the Ethernet on the CLI-based switch:

Switch(enable) set port duplex module/number {full|half}

8. Configure a static VLAN on an IOS-based switch:

Switch# vlan database

Switch(vlan)# vlan vlan-num name vla

Switch(vlan)# exit

Switch# configure teriminal

Switch(config)# interface interface module/number

Switch(config-if)# switchport mode access

Switch(config-if)# switchport access vlan vlan-num

Switch(config-if)# end

Configure a static VLAN on a CLI-based switch:

Switch(enable) set vlan vlan-num [name name]

Switch(enable) set vlan vlan-num mod-num/port-list

9. Configure VLAN trunks on IOS-based switches:

Switch(config)# interface interface mod/port

Switch(config-if)# switchport mode trunk

Switch(config-if)# switchport trunk encapsulation {isl|dotlq}

Switch(config-if)# switchport trunk allowed vlan remove vlan-list

Switch(config-if)# switchport trunk allowed vlan add vlan-list

Configure VLAN trunks on CLI-based switches:

Switch(enable) set trunk module/port [on|off|desirable|auto|nonegotiate]

Vlan-range [isl|dotlq|dotl0|lane|negotiate]

10. Configure the VTP management domain on the IOS-based switch:

Switch# vlan database

Switch(vlan)# vtp domain domain-name

Configure the VTP management domain on the CLI-based switch:

Switch(enable) set vtp [domain domain-name]

11. Configure the VTP mode on the IOS-based switch:

Switch# vlan database

Switch(vlan)# vtp domain domain-name

Switch(vlan)# vtp {sever|cilent|transparent}

Switch(vlan)# vtp password password

Configure VTP mode on a CLI-based switch:

Switch(enable) set vtp [domain domain-name] [mode{ sever|cilent|transparent }][password password]

12. Configure the VTP version on the IOS-based switch:

Switch# vlan database

Switch(vlan)# vtp v2-mode

Configure the VTP version on the CLI-based switch:

Switch(enable) set vtp v2 enable

13. Start VTP tailoring on IOS-based switches:

Switch# vlan database

Switch(vlan)# vtp pruning

Start VTP tailoring on a CL I-based switch:

Switch(enable) set vtp pruning enable

14. Configure the EtherChannel on the IOS-based switch:

Switch(config-if)# port group group-number [distribution {source|destination}]

Configure the EtherChannel on the CLI-based switch:

Switch(enable) set port channel moudle/port-range mode{on|off|desirable|auto}

15. Adjust root path cost on IOS-based switches:

Switch(config-if)# spanning-tree [vlan vlan-list] cost cost

Adjust the root path cost on a CLI-based switch:

Switch(enable) set spantree portcost moudle/port cost

Switch(enable) set spantree portvlancost moudle/port [cost cost][vlan-list]

16. Adjust the port ID on the IOS-based switch:

Switch(config-if)# spanning-tree[vlan vlan-list]port-priority port-priority

Adjust the port ID on the CLI-based switch:

Switch(enable) set spantree portpri {mldule/port}priority

Switch(enable) set spantree portvlanpri {module/port}priority [vlans]

17. Modify the STP clock on the IOS-based switch:

Switch(config)# spanning-tree [vlan vlan-list] hello-time seconds

Switch(config)# spanning-tree [vlan vlan-list] forward-time seconds

Switch(config)# spanning-tree [vlan vlan-list] max-age seconds

Modify the STP clock on the CLI-based switch:

Switch(enable) set spantree hello interval[vlan]

Switch(enable) set spantree fwddelay delay [vlan]

Switch(enable) set spantree maxage agingtiame[vlan]

18. Enable or disable the Port Fast feature on the IOS-based switch port:

Switch(config-if)#spanning-tree portfast

Enable or disable the Port Fast feature on a CLI-based switch port:

Switch(enable) set spantree portfast {module/port}{enable|disable}

19. Enable or disable the UplinkFast feature on the IOS-based switch port:

Switch(config)# spanning-tree uplinkfast [max-update-rate pkts-per-second]

Enable or disable the UplinkFast feature on the CLI-based switch port:

Switch(enable) set spantree uplinkfast {enable|disable}[rate update-rate] [all-protocols off|on]

20. To configure the switch as a clustered command switch, first assign an IP address to the management interface and then use the following command: switch(config)# cluster enable cluster-name

21. To remove a VLAN from a trunk link, use the following command:

Switch(enable) clear trunk module/port vlan-range

22. Use show vtp domain to display the VTP parameters of the management domain.

23. Use show vtp statistics to display the VTP parameters of the management domain.

24. The command to define TrBRF on a Catalyst switch is as follows:

Switch(enable) set vlan vlan-name [name name] type trbrf bridge bridge-num[stp {ieee|ibm}]

25. The command to define TrCRF on a Catalyst switch is as follows:

Switch (enable) set vlan vlan-num [name name] type trcrf

{ring hex-ring-num|decring decimal-ring-num} parent vlan-num

26. Once the TrBRF VLAN is created, it can be assigned a switch port. For Ethernet switching, you can use the following command to assign a port to a VLAN:

Switch(enable) set vlan vlan-num mod-num/port-num

27. The command show spantree displays the STP status of a switch port.

28. To configure the LES and BUS of an ELAN, you can use the following commands:

ATM (config)# interface atm number.subint multioint

ATM(config-subif)# lane serber-bus ethernet elan-name

29. Configure LECS:

ATM(config)# lane database database-name

ATM(lane-config-databade)# name elan1-name server-atm-address les1-nsap-address

ATM(lane-config-databade)# name elan2-name server-atm-address les2-nsap-address

ATM(lane-config-databade)# name ...

30. After creating the database, you must start the LECS. command on the main interface as follows:

ATM(config)# interface atm number

ATM(config-if)# lane config database database-name

ATM(config-if)# lane config auto-config-atm-address

31. Configure each LEC to a different ATM subinterface. The command is as follows:

ATM(config)# interface atm number.subint multipoint

ATM(config)# lane client ethernet vlan-num elan-num

32. Use show lane server to display the status of LES.

33. Use the show lane bus to display the status of the bus.

34. Use show lane database to display the contents of the LECS database.

35. Use the show lane client to display the status of the LEC.

36. Use the show module to display a list of installed modules.

37. Establish a connection to the VLAN using the physical interface:

Router# configure terminal

Router(config)# interface media module/port

Router(config-if)# description description-string

Router(config-if)# ip address ip-addr subnet-mask

Router(config-if)# no shutdown

38. Use a trunk link to establish a connection to the VLAN:

Router(config)# interface module/port.subinterface

Router(config-ig)# encapsulation[isl|dotlq] vlan-number

Router(config-if)# ip address ip-address subnet-mask

39. Use LANE to establish a connection to the VLAN:

Router(config)# interface atm module/port

Router(config-if)# no ip address

Router(config-if)# atm pvc 1 0 5 qsaal

Router(config-if)# atm pvc 2 0 16 ilni

Router(config-if)# interface atm module/port.subinterface multipoint

Router(config-if)# ip address ip-address subnet-mask

Router(config-if)# lane client ethernet elan-num

Router(config-if)# interface atm module/port.subinterface multipoint

Router(config-if)# ip address ip-address subnet-name

Router(config-if)# lane client ethernet elan-name

Router(config-if)# ...

40. In order to configure dynamic routing on the routing processor, the following IOS commands can be used:

Router(config)# ip routing

Router(config)# router ip-routing-protocol

Router(config-router)# network ip-network-number

Router(config-router)# network ip-network-number

41. Configure the default route:

Switch(enable) set ip route default gateway

42. Assign a VLANID to a route processor, using the following commands in interface mode:

Router(config)# interface interface number

Router(config-if)# mls rp vlan-id vlan-id-num

43. Enable MLSP on the route processor:

Router(config)# mls rp ip

44. In order to place an external route processor interface and switch in the same VTP domain:

Router(config)# interface interface number

Router(config-if)# mls rp vtp-domain domain-name

45. View information about the specified VTP domain:

Router# show mls rp vtp-domain vtp domain name

46. To determine the management interface on the RSM or router, enter the following commands in interface mode:

Router(config-if)#mls rp management-interface

47. To verify the configuration of the MLS-RP:

Router# show mls rp

48. Verify the MLS configuration on a specific interface:

Router# show mls rp interface interface number

49. In order to set the flow mask on the MLS-SE and do not want to set the access list on any of the route processor interfaces:

Set mls flow [destination|destination-source|full]

50. To make the MLS and input access list compatible, you can use the following commands in global mode:

Router(config)# mls rp ip input-acl

51. When a Layer 3 switch of a switch fails, the following commands can be entered in the privileged mode of the switch:

Switch(enable) set mls enable

52. To change the value of the aging time, enter the following command in privileged mode:

Switch(enable) set mls agingtime agingtime

53. Set up fast aging:

Switch(enable) set mls agingtime fast fastagingtime pkt_threshold

54. Determine which MLS-RP and MLS-SE are involved in the MLS, first display the contents of the switch reference list and then determine:

Switch(enable) show mls include

55. Display MLS cache records:

Switch(enable) show mls entry

56. Use the command show in arp to display the contents of the ARP cache area.

57. To configure a router as a member of an HSRP backup group, you can use the following command in interface configuration mode:

Router(config-if)# standby group-number ip ip-address

58. In order for a router to regain the role of the forwarding router, in interface configuration mode:

Router(config-if)# standy group-number preempt

59. The access time and hold time parameters are configurable:

Router(config-if)# standy group-number timers hellotime holdtime

60. Configure HSRP trace:

Router(config-if)# standy group-number track type-number interface-priority