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You need Cisco Router, ASA is good Firewall but do not have routing capabilities.<br />
Cisco Router can work as firewall and it can route your ip packets in right direction.
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attached is screenshot, i was able to configure internal routing on my ASA.<br />
<a href="https://filedb.experts-exchange.com/incoming/2010/09_w36/344392/ASA-routing.JPG" target="_blank" class="file-inline" title="screen shot (75 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ASA-routing.JPG</a>
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ASA-routing.JPG

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For firewall feature in ASA, is it come with ASA or it is add-in servcie that I will to additionally pay for ?<br />
<br />
For router, it could also do site VPN to VPN setup, correct ?<br />
<br />
Tks<br />

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12 . ios has site-to-ste vpn without additional license in 15.ios you must have aditional license <br />
for the asa if you want vpn 3des/aes capabilities you shoul by additional license &nbsp;
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You can take either one of them, as you can configure both with the nat capabilities and remote access VPN. But if security comes into picture, I think its best you go for a firewall
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forgot to answer your question. yes router can do a site-to-site as well, and by default ASA is a firewall so basic offering has firewall capabilities. routers have firewall IOS capabilities as well, depends on what IOS you choose.<br />
<br />
hope this helps :-)
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These 2 are really close. Really check if you need exotic interfaces that would point to a router.
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<div class="content wysiwyg-content">
If I need to setup a gateway to connect to other office, support remote mobile client and external access for internal servers through NAT, should I buy a Cisco Router or ASA ? Any comment ?<br />
<br />
Thanks<br />

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If I need to setup a gateway to connect to other office, support remote mobile client and external access for internal servers through NAT, should I buy a Cisco Router or ASA ? Any comment ?

Thanks


Cisco Router vs ASA

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.

Routers

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).