Example 4: Applying Qos - Black Box LWN602A User Manual

Chapter 11: Deployment Examples CLI
show ssid employee station
Chan=channel number; Pow=Power in dbm;
A-Mode=Authentication mode; Cipher=Encryption mode;
A-Time=Associated time; Auth=Authenticated;
UPID=User profile Identifier; Phymode=Physical mode;
Mac Addr
-------------- ---------
0016:cf8c:57bc 10.1.1.35 11
Figure 11-8. Checking the MAC address and authentication and encryption types.
Check that the MAC and IP addresses in the table match those of the wireless client.
Check that the authentication and encryption modes match those in the SSID security protocol suite.
NOTE: You can also enter the following commands to check the association status of a wireless client: show auth, show roaming
cache, and show roaming cache mac <mac_addr>.
The setup for using IEEE 802.1X is complete. Wireless clients can now associate with the SmartPath AP using SSID "employee,"
authenticate themselves through IEEE 802.1X to a RADIUS server, and access the network.

11.4 Example 4: Applying QoS

In this example, you want the cluster members to prioritize voice, streaming media, and e-mail traffic. First, you map distinguish-
ing elements of these traffic types to three SmartPath QoS classes:
Class 6: voice traffic from VoIP phones with MAC OUI 00:12:3b (the OUI for all phones in the network)
Voice traffic is very sensitive to delay and cannot tolerate packet loss without loss of voice quality. When other traffic is competing
with voice traffic for bandwidth, it becomes essential to prevent that traffic from interfering with voice traffic. Because voice traffic
for a single call requires very little bandwidth—typically from 8 to 64 kbps depending on the voice codec used—a good approach
for setting its rate is to calculate the bandwidth necessary for a voice call plus related telephony traffic from a single user's
computer, softphone, or handset and then multiply that by the potential number of concurrent VoIP users.
Class 5: streaming media using the Microsoft Media Server (MMS) protocol on TCP Port 1755
Although streaming media is also time sensitive, streaming media software for both clients and servers offers limited buffering to
prevent choppy sounds and pixelated video when network congestion occurs. Because congestion for more than a few seconds
can adversely effect streaming media, it is important to assign this type of traffic a higher priority than other types, but its priority
should be lower than that for voice, which is even more sensitive to delay.
Class 3: data traffic for e-mail using the following protocols:
SMTP (Simple Mail Transfer Protocol) on TCP Port 25
POP3 (Post Office Protocol version 3) on TCP Port 110
Then you create classifier profiles that reference these traffic-to-class mappings. You bind the profiles to the wifi0.1 and eth0
interfaces so that cluster members map the traffic matching these profiles that arrives at these interfaces to the proper SmartPath
classes.
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IP Addr Chan Rate Pow
---- ---- ----
54M -38
Check that the MAC address
in the table matches that of
the wireless client .
724-746-5500 | blackbox.com
A-Mode Cipher A-Time
-------- ------- --------
wpa2-psk aes ccm 00:00:56
Check that the authentication and
encryption modes match those in
the SSID security protocol suite.
VLAN Auth UPID Phymode
---- ---- ---- -------
1 Yes 0 11g