How to Clear Switch Configuration - Revision history

Mtsega at 04:27, 17 October 2010

2010-10-17T04:27:25Z

← Older revision		Revision as of 04:27, 17 October 2010
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	To clear switch configuration you need access to the Cisco Catalyst Switch console through either a physical console or a Telnet connection.		To clear switch configuration you need access to the Cisco Catalyst Switch console through either a physical console or a Telnet connection.

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	Switch#		Switch#

			At the prompt press Enter.

Mtsega at 04:17, 17 October 2010

2010-10-17T04:17:37Z

← Older revision		Revision as of 04:17, 17 October 2010
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			To clear switch configuration you need access to the Cisco Catalyst Switch console through either a physical console or a Telnet connection.

	== Clear switch configuration ==		== Clear switch configuration ==

	Issue the erase starting-config command.		Issue the erase starting-config command in Privileged EXEC mode.

	Switch#erase startup-config		Switch#erase startup-config
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	At this stage, the switch configuration is cleared except the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).		At this stage, the switch configuration is cleared except the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).

	== Verify the VLAN information ==		== Verify the VLAN information Before deletion ==

	Issue the show vlan brief command		Issue the show vlan brief command in Privileged EXEC mode.

	Switch#show vlan brief		Switch#show vlan brief

Mtsega at 19:10, 16 October 2010

2010-10-16T19:10:48Z

← Older revision		Revision as of 19:10, 16 October 2010
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	== ~~To clear~~ switch configuration ==		== Clear switch configuration ==

	Issue the erase starting-config command.		Issue the erase starting-config command.
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	At this stage, the switch configuration is cleared except the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).		At this stage, the switch configuration is cleared except the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).

	== ~~To verify~~ the VLAN information ==		== Verify the VLAN information ==

	Issue the show vlan brief command		Issue the show vlan brief command

Mtsega: /* To clear switch configuration */

2010-10-16T17:28:02Z

To clear switch configuration

← Older revision		Revision as of 17:28, 16 October 2010
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	Switch#		Switch#

	At this stage, the switch configuration ~~has reset to the factory defaults, with the exclusion of~~ the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).		At this stage, the switch configuration is cleared except the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).


	== To verify the VLAN information ==		== To verify the VLAN information ==

Mtsega: /* Reload the switch */

2010-10-16T17:23:52Z

Reload the switch

← Older revision		Revision as of 17:23, 16 October 2010
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	Proceed with reload? [confirm]		Proceed with reload? [confirm]
	<output omitted>		<output omitted>

	Would you like to terminate autoinstall? [yes]: y		Would you like to terminate autoinstall? [yes]: y
			--- System Configuration Dialog ---
	--- System Configuration Dialog ---
	Would you like to enter the initial configuration dialog? [yes/no]: n		Would you like to enter the initial configuration dialog? [yes/no]: n
	Switch>		Switch>

Mtsega: /* Reload the switch */

2010-10-16T17:22:49Z

Reload the switch

← Older revision		Revision as of 17:22, 16 October 2010
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	Delete flash:vlan.dat? [confirm]		Delete flash:vlan.dat? [confirm]
	Switch#		Switch#



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	Switch#reload		Switch#reload

			----

	System configuration has been modified. Save? [yes/no]: n		System configuration has been modified. Save? [yes/no]: n
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	Switch>		Switch>

			----

	== After reload check the vlan information ==		== After reload check the vlan information ==

Mtsega at 17:21, 16 October 2010

2010-10-16T17:21:11Z

← Older revision		Revision as of 17:21, 16 October 2010
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	== To clear switch configuration ==		== To clear switch configuration ==

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	At this stage, the switch configuration has reset to the factory defaults, with the exclusion of the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).		At this stage, the switch configuration has reset to the factory defaults, with the exclusion of the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).




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	1004 fddinet-default act/unsup		1004 fddinet-default act/unsup
	1005 trnet-default act/unsup		1005 trnet-default act/unsup

	Switch#		Switch#

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	Delete filename [vlan.dat]?		Delete filename [vlan.dat]?
	Delete flash:vlan.dat? [confirm]		Delete flash:vlan.dat? [confirm]

	Switch#		Switch#

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	System configuration has been modified. Save? [yes/no]: n		System configuration has been modified. Save? [yes/no]: n
	Proceed with reload? [confirm]		Proceed with reload? [confirm]


	<output omitted>		<output omitted>


	Would you like to terminate autoinstall? [yes]: y		Would you like to terminate autoinstall? [yes]: y

			--- System Configuration Dialog ---
	--- System Configuration Dialog ---

	Would you like to enter the initial configuration dialog? [yes/no]: n		Would you like to enter the initial configuration dialog? [yes/no]: n
	Switch>		Switch>

Mtsega at 17:17, 16 October 2010

2010-10-16T17:17:30Z

← Older revision		Revision as of 17:17, 16 October 2010
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	~~'''~~To clear switch configuration~~'''~~
			== To clear switch configuration ==

	Issue the erase starting-config command.		Issue the erase starting-config command.
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	Switch#erase startup-config		Switch#erase startup-config

	Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]		Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
	[OK]		[OK]
	Erase of nvram: complete		Erase of nvram: complete
	Switch#		Switch#

	At this stage, the switch configuration has reset to the factory defaults, with the exclusion of the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).		At this stage, the switch configuration has reset to the factory defaults, with the exclusion of the VLAN information. VLANs are kept in a seperate file from the startup-config (NVRAM).
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	~~'''~~To verify the VLAN information~~'''~~
			== To verify the VLAN information ==

	Issue the show vlan brief command		Issue the show vlan brief command
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	1005 trnet-default act/unsup		1005 trnet-default act/unsup

	Switch#		Switch#


	~~'''~~Delete the VLAN information from Flash~~'''~~		== Delete the VLAN information from Flash ==

	Switch#delete flash:vlan.dat		Switch#delete flash:vlan.dat
	Delete filename [vlan.dat]?		Delete filename [vlan.dat]?
	Delete flash:vlan.dat? [confirm]		Delete flash:vlan.dat? [confirm]

	Switch#		Switch#

	~~'''~~Reload the switch~~'''~~
			== Reload the switch ==

	Do not save at the prompt. Otherwise, the switch reloads with the current running configuration and does not clear the switch configuration.		Do not save at the prompt. Otherwise, the switch reloads with the current running configuration and does not clear the switch configuration.
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	Switch#reload		Switch#reload

	System configuration has been modified. Save? [yes/no]: n		System configuration has been modified. Save? [yes/no]: n
	Proceed with reload? [confirm]		Proceed with reload? [confirm]


	<output omitted>		<output omitted>


			Would you like to terminate autoinstall? [yes]: y


	~~Would you like to terminate autoinstall? [yes]: y~~		--- System Configuration Dialog ---

			Would you like to enter the initial configuration dialog? [yes/no]: n
			Switch>

	~~--- System Configuration Dialog ---~~

	~~Would you like to enter the initial configuration dialog? [yes/no]: n~~
	~~Switch>~~



	~~'''~~After reload~~'''~~		== After reload check the vlan information ==

	check the VLAN information with the show vlan brief command.		check the VLAN information with the show vlan brief command.

Mtsega at 04:26, 16 October 2010

2010-10-16T04:26:29Z

← Older revision		Revision as of 04:26, 16 October 2010
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	VLAN Name Status Ports		VLAN Name Status Ports
	---- -------------------------------- --------- -------------------------------		---- -------------------------------- --------- -------------------------------
	1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4		1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
	Fa0/5, Fa0/6, Fa0/7, Fa0/8		Fa0/5, Fa0/6, Fa0/7, Fa0/8
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	VLAN Name Status Ports		VLAN Name Status Ports
	---- -------------------------------- --------- -------------------------------		---- -------------------------------- --------- -------------------------------
	1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4		1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
	Fa0/5, Fa0/6, Fa0/7, Fa0/8		Fa0/5, Fa0/6, Fa0/7, Fa0/8
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	Gi0/1, Gi0/2		Gi0/1, Gi0/2
	1002 fddi-default act/unsup		1002 fddi-default act/unsup

	1003 token-ring-default act/unsup		1003 token-ring-default act/unsup

	1004 fddinet-default act/unsup		1004 fddinet-default act/unsup

	1005 trnet-default act/unsup		1005 trnet-default act/unsup

	Compiled Thu 19-Jul-07 20:06 by nachen		Compiled Thu 19-Jul-07 20:06 by nachen

Mtsega at 04:24, 16 October 2010

2010-10-16T04:24:48Z

← Older revision		Revision as of 04:24, 16 October 2010
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	Switch#show vlan brief		Switch#show vlan brief

	VLAN Name Status Ports		VLAN Name Status Ports
	---- -------------------------------- --------- -------------------------------		---- -------------------------------- --------- -------------------------------
	1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4		1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
	Fa0/5, Fa0/6, Fa0/7, Fa0/8		Fa0/5, Fa0/6, Fa0/7, Fa0/8
	Fa0/9, Fa0/10, Fa0/11, Fa0/12		Fa0/9, Fa0/10, Fa0/11, Fa0/12
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	Fa0/21, Fa0/22, Fa0/23, Fa0/24		Fa0/21, Fa0/22, Fa0/23, Fa0/24
	Gi0/1, Gi0/2		Gi0/1, Gi0/2
	10 Faculty/Staff active		10 Faculty/Staff active
			20 Students active
	20 Students active		30 Wireless active
			99 Management active
	30 Wireless active		1002 fddi-default act/unsup
			1003 token-ring-default act/unsup
	99 Management active		1004 fddinet-default act/unsup
			1005 trnet-default act/unsup
	1002 fddi-default act/unsup

	1003 token-ring-default act/unsup

	1004 fddinet-default act/unsup

	1005 trnet-default act/unsup

	Switch#		Switch#
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	Switch#show vlan brief		Switch#show vlan brief

	VLAN Name Status Ports		VLAN Name Status Ports
	---- -------------------------------- --------- -------------------------------		---- -------------------------------- --------- -------------------------------
	1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4		1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
	Fa0/5, Fa0/6, Fa0/7, Fa0/8		Fa0/5, Fa0/6, Fa0/7, Fa0/8
	Fa0/9, Fa0/10, Fa0/11, Fa0/12		Fa0/9, Fa0/10, Fa0/11, Fa0/12
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	Fa0/21, Fa0/22, Fa0/23, Fa0/24		Fa0/21, Fa0/22, Fa0/23, Fa0/24
	Gi0/1, Gi0/2		Gi0/1, Gi0/2
	1002 fddi-default act/unsup		1002 fddi-default act/unsup

	1003 token-ring-default act/unsup		1003 token-ring-default act/unsup

	1004 fddinet-default act/unsup		1004 fddinet-default act/unsup

	1005 trnet-default act/unsup		1005 trnet-default act/unsup

	Compiled Thu 19-Jul-07 20:06 by nachen		Compiled Thu 19-Jul-07 20:06 by nachen