Tag: no

Firewalling

Cisco ASA NPE image

René Jorissen on January 4, 2011 • 1 Comment • Tags: #asa #cisco #encryption #no #npe #payload

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

Management

Cisco ASA: web interface not working

René Jorissen on December 14, 2010 • 24 Comments • Tags: #113 #algorithms #common #encryption #error #net::err_ssl_version_or_cipher_mismatch #no #ssl

I had to troubleshoot a Cisco ASA today, where the client wasn’t able to connect to the management web interface anymore via https. The customer didn’t install ASDM locally, but always starts the Java-based version. After upgrading the Cisco ASA to software version 8.2(1) and a reboot, the client wasn’t able to connect to the … Read More

Routing

Another NVRAM broken?

René Jorissen on January 28, 2009 • 2 Comments • Tags: #sys4nv_block_initfail #available #bad #compressconfig #failed #file #information #no #number #nvram #open #space #startupconfig

On Monday I visited another customer who had problems saving the running configuration of a Cisco devices. The devices involved were a Cisco 2620 and a Cisco 2610XM router. Both routers weren’t able to save their running configuration. Both routers show the following error-message: startup-config file open failed (Bad file number) By both routers I … Read More