Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

ASA 5510 as DHCP Server

Posted on 2011-03-23
6
Medium Priority
?
1,182 Views
Last Modified: 2012-05-11
We have a remote office that has downsized significantly and will be moving its few remaining people into a shared office space.  They are not going to have any servers in this new location and a shared Internet connection (shared with other tenants) in the beginning but we will have our own dedicated Internet line eventually.  Currently they have a Cisco 1841 as their gateway router and an ASA 5510 for their firewall, use Windows servers for DHCP, and DNS, and are joined to our corporate domain (DOMAIN.LOCAL).  

Next week we are shutting down all of their servers and shipping them to other locations so they won't be able to get DHCP but they need to keep working in their current building for a few weeks.  I want to enable DHCP on the ASA but have a question.

I'm going to do the statement:  dhcpd address 192.168.16.101-192.168.1.151 inside

How do I specify the subnet they are given.  Currently that site runs on a /21 so they need to keep that for all the routes to work and to be able to communicate with the network equipment.  Will the ASA give the /21 subnet by default since that is what is is configured with?
0
Comment
Question by:qbakies
  • 3
  • 3
6 Comments
 
LVL 25

Assisted Solution

by:Ken Boone
Ken Boone earned 2000 total points
ID: 35201950
if that is what is on the inside interface then that is what the asa will give them.  you should be good to go.  I think you have a typo though.  I think it should read 192.168.16.101-192.168.16.151.
0
 
LVL 10

Accepted Solution

by:
qbakies earned 0 total points
ID: 35201969
Yes, that was a typo and the inside interface address is 192.168.16.10 255.255.248.0

So the ASA will hand out the /21 subnet by default?
0
 
LVL 25

Expert Comment

by:Ken Boone
ID: 35201978
yep
0
Get Certified for a Job in Cybersecurity

Want an exciting career in an emerging field? Earn your MS in Cybersecurity and get certified in ethical hacking or computer forensic investigation. WGU’s MSCSIA degree program was designed to meet the most recent U.S. Department of Homeland Security (DHS) and NSA guidelines.  

 
LVL 10

Author Comment

by:qbakies
ID: 35201995
Thanks.  If I need to hand out two DNS server do I just do:

dhcpd dns x.x.x.x
dhcpd dns y.y.y.y

Is the first one considered primary?
0
 
LVL 25

Assisted Solution

by:Ken Boone
Ken Boone earned 2000 total points
ID: 35202014
no its like this:
dhcpd dns x.x.x.x y.y.y.y

with x.x.x.x being primary
0
 
LVL 10

Author Closing Comment

by:qbakies
ID: 35230124
Thanks.
0

Featured Post

Lessons on Wi-Fi & Recommendations on KRACK

Simplicity and security can be a difficult  balance for any business to tackle. Join us on December 6th for a look at your company's biggest security gap. We will also address the most recent attack, "KRACK" and provide recommendations on how to secure your Wi-Fi network today!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

You deserve ‘straight talk’ from your cloud provider about your risk, your costs, security, uptime and the processes that are in place to protect your mission-critical applications.
As managed cloud service providers, we often get asked to intervene when cloud deployments go awry. Attracted by apparent ease-of-use, flexibility and low computing costs, companies quickly adopt leading public cloud platforms such as Amazon Web Ser…
Both in life and business – not all partnerships are created equal. Spend 30 short minutes with us to learn:   • Key questions to ask when considering a partnership to accelerate your business into the cloud • Pitfalls and mistakes other partners…
When cloud platforms entered the scene, users and companies jumped on board to take advantage of the many benefits, like the ability to work and connect with company information from various locations. What many didn't foresee was the increased risk…
Suggested Courses

877 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question