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The Implementing Cisco IP Routing (CCNP Route 642-902). Materials for efficient preparation to the exam.

Cisco Load Balancing with Failover setup example

Install nfdump and nfsen netflow tools in Linux

Quick Tip: Increase port range available for applications

Sendmail for virtual users with procmail, spamassassin and dovecot

Namebench: cross-platform DNS benchmarking tool

How to assign range of IP addresses in Linux?

How to monitor traffic at Cisco router using Linux (Netflow)