Network governance fights packet loss, oversubscription

Packet loss, oversubscription, unpatched and inconsistent switch software still plague enterprise networks. Find out how engineers are fighting back.
Networking vendors discuss the role of network admins

Networking vendors at Interop 2013 discuss the changing role of the network administrator.
ISSU (in-service software upgrade)

An ISSU (in-service software upgrade) is a technique for updating software on a network device without taking that device offline and thereby disrupting network services.
Realigning the entry-level Cisco certification

Cisco made changes to its CCNA program to help admins become voice, wireless and security specialists faster.

Network Administration

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Make your systems "crunchy" on the inside, not just the outside

These days, you need some "crunch" all the way through, and not just on the perimeter of your network. Tip
Standardizing codecs

The pros and cons of standardizing codecs. Tip
Read only telnet access

You can use a local database created on your router for remote or support personnel who need only read access to your router. Tip
Useful Cisco command

Here's a short command that gives a summary for IP address, status and method. Tip
Can you reduce signaling delay?

How you can help with apparently slow VoIP call setup. Tip
Router Expert: TACACS+ tricks with scripts, part 1

This tip provides the scripts for a tool that manages tac_plus user accounting. Tip
Policy for the real world: Physical security

A look at a security policy for the real world. Tip
Stop those unwanted messages

How to block specific senders or apply blanket restrictions using rules. Tip
Egress filtering

A look at some policies for egress filtering that can help limit your liability in DDoS attacks. Tip
When managing database environments, integration is key

When managing complex database environments, IT vendors and buyers agree on the three top priorities. Tip

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