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there are 2 different password recovery procedures, did you try this one:<br />
<br />
<a href="http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swtrbl.html#wp1021182" rel="ugc">http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swtrbl.html#wp1021182</a><br />
<br />
Once you get in you'll need to disable login local or create a login database.
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there are 2 different password recovery procedures, did you try this one:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swtrbl.html#wp1021182 [http://www.cisco.com/en/US/docs/switches/lan/catalyst3750/software/release/12.2_44_se/configuration/guide/swtrbl.html#wp1021182]

Once you get in you'll need to disable login local or create a login database.

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Hi there,<br />
<br />
It appears that I have configured a username by typing in &quot;login local&quot; on a 3750. Don't know what it is because I never typed a username in. &nbsp;Unfortunately now I can't log into the 3750 stack? I've tried the password recovery procedures from Cisco but I can't get through the username? Any ideas?
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Hi there,

It appears that I have configured a username by typing in "login local" on a 3750. Don't know what it is because I never typed a username in.  Unfortunately now I can't log into the 3750 stack? I've tried the password recovery procedures from Cisco but I can't get through the username? Any ideas?

Username recovery for Cisco 3750

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.