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

Configuration Example, IP Telephony

QoS matching for VoIP

René Jorissen on April 18, 2008 0 Comments • Tags: #1720 #2427 #2428 #h225 #h245 #h323 #mgcp #payload #rtcp #rtp #sccp #sgcp #signaling #tcp #udp #voip

Voice over IP is, as you know for sure, very time-sensitive traffic. That is why VoIP signaling and payload traffic should receive enough bandwidth and as less jitter and delay as possible. QoS is an important tool to assign VoIP traffic more preference over “normal” traffic. Important for QoS tools to function correctly is placing … Read More