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HMP Linux 1.2 Release Update, Rev 05 — September 2006September 2006 26
In Chapter 2, “System Requirements”, the following section is added:
2.4 Running a Demo Using a Single Channel
The default channel license provided with the HMP Linux 1.2 software relies on the
correctness of the /etc/hosts file. Invalid entries in this file will render the HMP product
non-functional with respect to the default channel license. For example:
1. 127.0.0.1 myhostname << incorrect
2. 127.0.0.1 localhost << incorrect
192.168.124.124 localhost
3. 127.0.0.1 localhost << correct
192.168.124.124 myhostname
In Chapter 3, “ Release Features”, the following information applies to the
Configurations Tested section:
• Current testing of 240 channels is performed with G.711 20 ms and 30 ms frames
only.
• Current testing of 240 channels is performed using the Intel 8254x-based gigabit
Ethernet solution. Other network interface cards may not provide optimum
performance. However, 8241, 8245, 8246, and 8247-based gigabit cards are also
expected to perform well. These cards provide superior performance by:
• Minimizing the number of interrupts needed relative to work accomplished.
• Reducing the frequency of all interrupts by setting the “Interrupt Throttling Register”
to the appropriate value.
• Accepting multiple receive packets before signaling an interrupt.
• Eliminating (or at least reducing) the need for interrupts on transmit.
• Minimizing the processing overhead associated with each interrupt.
The following procedure for obtaining Update 1 to Red Hat Enterprise Linux Advanced
Server 3.0 applies to Section 2.2, “Software Requirements” of Chapter 2, “System
Requirements”:
1. If you do not already have a login, create a login and subscribe to the Red Hat
network at https://rhn.redhat.com/newlogin/create_personal.pxt. You will then need
to enter the Red Hat product ID.
2. Sign in to the Red Hat Network at https://rhn.redhat.com/index.pxt.
3. Select Channels from the tab selections at the top of the page.