Differences between SR520 and ASA5505?

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Jan 15th, 2009
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Q: What is the feature parity and differences between SR520 Security Router and ASA5505?

A: [Addis Hallmark]: The SR520 is a secure router that is made for SBCS deployments. It's interfaces, dynamic routing capabilities, CCA support, etc make it a great fit for many customers. The SR520 is much more commonly compared against 87x platforms. The ASA5505 is a security appliance (and a very good one).

[Luke Lambert]: Basically in order of capabilities (IMHO):
  • UC500 - If you want a basic entry level firewall
  • SR520 - If your a small office but want some advanced firewall functions e.g. SSL VPN, DMZ, IPS
  • ASA - High performance required, large amount of remote users, advanced features/ monitoring required.
Reasons for ISR (SR520):
- Basic FW
- One device does it all e.g. Need to terminate ADSL w/ Security in one box.
Reasons for ASA
- More advanced firewall
- Ease of configuration of advanced features
- Better scaling with VPN (more users)
- Better SSL (Clientless) VPN

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