Avaya ERS4826GTS Manual

Ethernet Switch

Setup

for Q-SYS

Avaya ERS4850 Series (Models ERS4826GTS, ERS4826GTS-PWR+, ERS4850GTS,

and ERS4850GTS-PWR+)

Revision 1.1—21 January 2016

Firmware used: 5.8.0.1 Software used: v5.8.1.029

Configuring the Switch

Assign an IP address, enable the optional web interface, and assign

QoS

1. Using a standard network switch console or “rollover” cable, connect the serial port on the

PC, or a USB-to-serial adapter, to the console port on the front of the switch.

2. Open a terminal emulator such as HyperTerminal or PuTTY and connect to the switch

using the following serial settings: 9600, N, 8, 1; no flow control.

If the switch does not respond by initiating a terminal session, try turning it off and on again.

As the switch boots up, the terminal emulator window should start displaying log

messages.

3. When the AVAYA logo appears, it will also display a status area indicating the switch

model, hardware version, firmware version, and the software version.

4. Press

Ctrl+Y

. A prompt showing the switch model number will appear—for example,

4850GTS-PWR+>

will appear. (Other models will display accordingly; for this setup guide,

we will use the 4850GTS-PWR+ as an example.)

5. Type enable and then press

Enter

6. The prompt will change to

4850GTS-PWR+#

Type

configure terminal

and press

Enter

7. The message “Enter configuration commands, one per line. End with CNTL/Z.” will appear,

followed by the configuration-mode prompt,

4850GTS-PWR+(config)#

The next step is to configure the switch’s intended IP address and subnet. Type

ip address xxx.xxx.xxx.xxx yyy.yyy.yyy.yyy

(where “xxx.xxx.xxx.xxx” is the intended IP address and “yyy.yyy.yyy.yyy” is the intended

subnet mask) and then press

Enter

Note: If the switch will reside in a part of the network that is inaccessible to the computer

except through a gateway, you must add the gateway’s IP address to this command. (This

is not a common situation.) In this case, you would type

ip address xxx.xxx.xxx.xxx yyy.yyy.yyy.yyy zzz.zzz.zzz.zzz

(where zzz.zzz.zzz.zzz is the optional gateway address) and then press

Enter

8. Enabling the web interface is optional. To do so, type

web-server enable

and press

Enter

9. Next, set the QoS parameters for Q-LAN audio and PTP packets with the following sets of

commands (you may copy and paste from the text below):

At the prompt, type

qos traffic-profile classifier name "QLAN_Audio" addr-type ipv4

ds-field 34 protocol 17 dst-port-min 6517 dst-port-max 7030

update-dscp 46 update-1p 6 eval-order 1 drop-out-action enable

and then press

Enter

Next, type

qos traffic-profile classifier name "QLAN_PTP" addr-type ipv4

ds-field 46 protocol 17 dst-port-min 319 dst-port-max 320

update-dscp 46 update-1p 6 eval-order 1 drop-out-action enable

and then press

Enter

10. The next step is to add traffic profiles to individual ports that host Q-LAN devices, so their

data packets are steered into Avaya’s “Premium Queue.” QSC recommends not applying

these profiles to ports that belong to other VLANs, so it often would not be appropriate to

apply them to the entire switch. If a port uplinks to another Avaya switch, for example, it is

better to let them honor their own IP precedence. In the commands below substitute the

port number or numbers where it says “port number(s)”; use a hyphen to designate a range

of port numbers, such as “1-3” for 1 through 3.

At the prompt, type

qos traffic-profile set port port number(s) name "QLAN_Audio" track-

statistics aggregate

and then press

Enter

Then type

qos traffic-profile set port port number(s) name "QLAN_PTP"

track-statistics aggregate

and press

Enter

11. Configuration is done. So exit configuration mode and save the settings with these

commands.

At the prompt, press

Ctrl+Z

(or type

exit

and then press

Enter

Next, type

save config

(or write mem)

and press

Enter

12. The switch is now correctly configured to properly prioritize Q-SYS traffic in an Avaya

enterprise QoS environment.

Notes: How to set the switch to factory default configuration

If you have “Enable” access:

1. At the prompt, type

and then press

Enter

2. Type

boot default

and press

Enter

3. At the question

Reboot the unit(s) (y/n)?

press

4. The switch will reboot with the factory default settings. This may take a couple minutes.

If you do not have your credentials or have lost them:

1. Connect the computer to the switch’s console port, using settings 9600, 8, N, 1. Open

your terminal emulation program.

2. Turn the switch off and on again to reboot it.

3. When the first line of the diagnostic tests appears, press

Ctrl+C

4. A menu will appear listing a number of options. Press

to initialize the switch and load its

default settings into its configuration.

5. Then press

to run the Agent code, which will complete the initialization and automatically

reboot the switch.

This manual suits for next models

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