by Rich Kreider
For all ASA models, the maximum number of DHCP client addresses varies depending on the license:
That’s annoying.
When installing Cisco AnyConnect VPN client, encountered an error:
The vpn client agent was unable to create the interprocess communication depot.
This error is due to Internet Connection Sharing being enabled. To resolve, disable ICS per adapter, or globally through Services.
Per Adapter:
Click the Start button.
Click on Control Panel.
Click on View Network Status and Tasks
Click on Change adapter settings
Right-click the shared connection and choose Properties
Click the Sharing tab
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Quick setup for WPA on Cisco Aironet 350 Access Point to remind myself…
interface Dot11Radio0
no ip address
no ip route-cache
!
encryption mode ciphers tkip
!
ssid HomeWIFI
authentication open
authentication key-management wpa
guest-mode
wpa-psk ascii 0 s3cr3t
Quick example of setting up SSH access on a Cisco router. I have a few dozen routers in my lab I'm working on and actually made this scripted. This is here for me to remember in the future.
Router(config)# crypto key generate rsa usage-keys label rtr-key
The name for the keys will be: rtr-key
Choose the size of the key modulus in the range of 360 to 2048 for your
Signature Keys. Choosing a key modulus greater than 512 may take
a few minutes.
How many bits in the modulus [512]: 1024
Choose the size Continue Reading...
On a Cisco ASA you can configure capturing of data to allow for deeper troubleshooting of issues. With the recent issue of the Heartbleed bug, I needed a way to capture HTTPS traffic and inspect remote hosts for the vulnerability. If the site was vulnerable, I would create a temporary block until that site patched.
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Had an issue with a user that was failing to log into the VPN from remote. Couldn't initially figure it out while at home while troubleshooting the authentication. So here's how to test authentication from the Cisco ASA CLI.
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I set up a Cisco router to send an email whenever a VPN user connected. I did this for accounting purposes before I moved to RADIUS. I'll put this up here because someone else may be interested in this for their own use.
Step 1: Environment Variable Setup
I like to configure variables to use throughout my EEM applets so I don't get crazy with having to remember everything. These setup a few such as a mail server, from email, to email.
router(config)#event manager environment _email_server Continue Reading...