Tag Archives: qos

Classifying IPSec Traffic for Hierarchical Priority Queuing with the ASA

This past weekend I wrote an article that demonstrated the use of hierarchical priority queuing with the ASA. The last example in that article showed that this qos method properly with the IPSec encapsulated traffic as well. Today’s article started … Continue reading

Posted in CCIE Security, Certification, Network, Security, Technology | Tagged , , , , | 1 Comment

How to Implement Priority Queuing on the ASA

Last week, I wrote about one of the typical scenarios that we run into with ASA implementation. As described here, that scenario is one in which the ASA can transmit traffic at 100Mb/s (or 1000Mb/s), but our service provider dropped … Continue reading

Posted in Network, Security, Technology | Tagged , , , | 3 Comments

ASA DSCP Preservation with IPSec

Cisco documents a feature called “DSCP Preservation” in regards to ToS Byte handling on the ASA. This basically means that the ToS Byte is left in tact as packets flow through the firewall. But what happens to the ToS Byte … Continue reading

Posted in CCIE Security, Certification, Network, Security, Technology | Tagged , , , | 1 Comment