Grass Valley K2 (Summit 3G) 10Gv2 Storage Area Network Installation v.8.1 - Manual (Page 75)

• You have network access to the switch
Use this procedure to check flow control settings, and if necessary, configure flow control to “off”
(disabled) for all ports.
1. If you have not already done so, from a network connected PC open the MS-DOS command
prompt and login to the switch as administrator, as follows:
a) Telnet to the switch. For example, if the switch’s IP address is 192.168.40.12, you type the
following, then press Enter .
telnet 192.168.40.12
b) Press Enter one or more times until the switch’s username prompt appears.
c) Type the switch’s administrator username and press Enter , then type the switch’s administrator
password and press Enter . The switch console command (CLI) prompt appears.
2. Type the following, then press Enter :
config
You are now in configuration mode.
3. Type the following, then press Enter :
show interface brief
The screen displays setting for all ports. In the Flow Ctrl column (at the right) identify settings
for ports and proceed as follows:
• If all ports are set to “off”, no further configuration is necessary. Do not proceed.
• If one or more ports are set to “on”, continue with this procedure.
4. Set ports to flow control “off” as necessary. You can set a range of ports. For example, to set
ports 1 - 21 to off, you type the following, then press Enter .
no int 1-21 flow-control
5. Type the following, then press Enter :
show interface brief
Verify that all ports have flow control set to off.
Upgrading firmware on HP switch
1. If you have not already done so, install a TFTP Server.
For example, to install tftpd32.exe , go to http://tftpd32.jounin.net/ .
2. Open the TFTP Server.
3. Make sure your current working directory includes the *.swi file that you are using for the
upgrade.
02 February 2012 K2 SAN Installation and Service Manual 75
Setting up the K2 SAN infrastructure