August 2008
Intermediate to advanced
528 pages
10h 42m
English
book
Cisco Secure Firewall Services Module (FWSM)
by Ray CCIE No. 7050 Blair, Arvind CCIE No. 7016 Durai
Content preview from Cisco Secure Firewall Services Module (FWSM)
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Chapter 12 Understanding Failover in FWSM
This chapter covers the concept of failover, its configurations, and redundancy in a Firewall Services Module (FWSM). Planning failure scenarios is always a good practice when designing a network solution. Redundancy for disaster recovery should always be a part of the network. Likewise, redundancy is also needed for firewalls.
Creating Redundancy in the FWSM
The two types of modes for redundancy in FWSM are as follows:
• Active/Standby mode
• Active/Active mode
The sections that follow cover the two modes in detail.
Understanding Active/Standby Mode
The firewall has an active unit and a nonactive unit. The active unit is called a primary firewall and the nonactive unit is called a secondary firewall. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.