New Horizons Get Schooled Blog

Ease troubleshooting by setting what happens in case of a switchport violation

Posted on 6/3/13 2:46 PM by Get Schooled in security, in switchport violation, in Tips & Tricks, in troubleshooting

For security, you may want to limit the number of computers that can be connected to a given portion of the network. If there are too many, this may indicate that there are connections that don't belong there. Accordingly, the following command limits the number of MAC addresses that can be connected to a given interface (for example, in this case it limits the port to 10 addresses):

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Need to debug NTP synchronization?

Posted on 5/13/13 10:57 AM by Get Schooled in debug, in IT Career, in Network Time Protocol, in NTP synchronization, in Tips & Tricks, in troubleshooting

NTP (Network Time Protocol) synchronizes the time for time servers and clients. You can use it to synchronize your routers, switches, and access points. Synchronization also makes logs more useful, by ensuring that the timestamps are reliable.

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Key troubleshooting tips for layer 1 network issues

Posted on 1/19/11 10:00 AM by Get Schooled in Cisco, in ISP, in Layer 1, in Network Issues, in Tips & Tricks, in troubleshooting

Key troubleshooting tips for layer 1 network issues

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Fixup issue if mail is timing out with PIX firewall

Posted on 1/4/11 10:00 AM by Get Schooled in Cisco, in email, in new horizons computer learning cent, in pix firewall, in smtp messages, in troubleshooting

Check this Fixup issue if mail is timing out with PIX firewall

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