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Category: Network Admin

reset Cisco switch
December 14, 2019 SuperTechman

Reset Cisco 2960 series switch to Factory defaults

If you work in networking, to rest a Cisco switch to factory settings is one of

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Unknown Service Class
December 6, 2019 SuperTechman

SonicWALL – “Error: Unknown Service Class” When Creating or Editing NAT

If you are receiving the following “Error: Unknown Service Class” when creating or Editing a NAT

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Whitebox switching.
December 5, 2019 SuperTechman

CCNP Switch 300-115 Study Guide – CDP and LLDP

I recently sat my CCNP 300-115 – Switch exam. I spent months taking notes on all

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No routes found
December 5, 2019 SuperTechman

SonicWALL – Error “Connection Failure: No Routes Found”

When a client connects to SonicWall SSL-VPN using Netextender from their computer an error may be

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Credentials not valid at LDAP server
December 4, 2019 SuperTechman

Sonicwall – Credentials Not Valid At LDAP Server

The error, Credentials not valid at LDAP server – 80090308: LdapErr: DSID-0C0903AA, comment: AcceptSecurityContext error, data 52e,

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VPN Policy
December 4, 2019 SuperTechman

SonicWall – Unable To Delete VPN Policy

When trying to delete a VPN policy the message “Error: Index of the interface: Interface is

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Sonicwall Safe mode
November 30, 2019 SuperTechman

How to Boot your SonicWALL to Safe Mode

There are a number of reasons why you would want to boot your SonicWALL into safe

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November 30, 2019 SuperTechman

CUCM Version 11.x – DNS Unreachable After Upgrade

After upgrading your UC environement from 10.5 to 11.5 or 12 you may receive an error

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November 23, 2019 SuperTechman

CCNP Switch 300-115 Study Guide – EtherChannels

I recently sat my CCNP 300-115 – Switch exam. I spent months taking notes on all

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Server Room Maintenance
November 23, 2019 SuperTechman

CCNP Switch 300-115 Study Guide – STP

Spanning Tree Protocol I recently sat my CCNP 300-115 – Switch exam. I spent months taking

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