Tag: Cisco
Cisco ASA – Full recovery
While trying to perform a password recovery on a Cisco ASA, I noticed that the password recovery feature was disabled on the appliance. Without the password recovery feature enabled, you can recover the Cisco ASA, but the file system will be wiped completely. During the boot of the Cisco ASA you need to press ESC … Read More
Juniper SSG to Cisco ASA VPN with overlapping subnets
I needed to configure a site-to-site VPN connection between a Juniper SSG firewall and a Cisco ASA firewall. The configuration of a VPN connection is very straightforward, but this time the networks behind the firewalls are overlapping. I have configured the Cisco ASA multiple times in such scenario, but the configuration of the Juniper SSG … Read More
Cisco ASA remote management via VPN
By default, remote access VPN users aren’t able to manage a Cisco ASA firewall on the inside interface using any kind of management protocol (SSH, telnet, HTTPS). You can enable remote management by specifying the management-access interface. You can specify the interface via the CLI or via the Cisco Adaptive Security Device Manager (ASDM). Both … Read More
Cisco ASA NPE image
I got complains from a customer who wasn’t able to configure 3DES or AES encryption for a VPN tunnel. Sounds familiar with a problem I had a couple of weeks ago. So I gave the customer the advice to upgrade and activate the VPN-3DES-AES feature. He tried but that didn’t solve this problem. I remotely … Read More
Cisco stack: version mismatch
When adding a new switch to an existing stack, the new switch should have the same software image as the existing stack member switches. If the new switch has different software, the switch isn’t capable of joining the stack. Switch/Stack Mac Address : 588d.0918.3100 H/W Current Switch# Role Mac Address Priority Version State ———————————————————- *1 … Read More
Cisco Connect – Software Download Entitlement Controls
I read about it on the internet and last week I received the “official” mail from the Cisco Partner Channel about the changes regarding the Software Download Centre Entitlement Controls. The e-mail (in Dutch) can be found below. I have different feelings about the changes regarding the software entitlements. It isn’t possible anymore to just … Read More