Useful Tech Tips, Tutorials and guides

45 Useful USSD Codes MTN, Vodacom, Telkom, Cell-C

USSD Code

A USSD codes allow users to access various services, such as menu-type applications using short codes usually start with * and end with # and can be typed into any cell phone to call up a specific action Vodacom USSD Code Description *136# Airtime balance *135# Master USSD menu *135# Check WASP subscriptions *#06# View […]

Cisco ACL Revision

Cisco ACL Revision

Access Control Lists (ACL) Access Control Lists are used to: Prioritise traffic Restrict or reduce updates Provide basic security Block types of traffic Access control list placement Standard ACLs – Place as close to destination as possible. Extended ACLs – Place as close to source of traffic as possible. Only one ACL per port per […]

Understanding the Cisco IOS File Name Convention

Understanding the Cisco IOS File Name Convention

Cisco IOS naming conventions can seem a bit confusing, however to avoid bricking a device its important that you have a full understanding of the Cisco IOS naming conventions. Before planning an upgrade or install of an IOS file, it is very important that you check the name of each IOS file. The IOS file name […]

MTN USSD Codes using MDMA

MTN USSD Codes using MDMA

MTN USSD codes These are the MTN USSD codes to load and query data bundles and other options. This should alleviate the necessity to put the SIM in a regular phone for these actions. *141# – Balance Enquiry response format: “Y’ello. You have Rxx.xx airtime, xx.xxMB Data, xx MMS and xxx SMS (xx exp dd/mm) […]

CCNA basic switch configuration commands

CCNA basic switch configuration commands

Cisco basic configuration commands (CCNA) Command descriptions switch>? The ? works here the same as in a router Used to get the list of all available commands switch>enable User mode, same as a router switch# Privileged mode switch#disable Leaves privileged mode switch>exit Leaves user mode switch#show version Displays information about software and hardware. switch#show flash: Displays […]