Cisco Headend System Release 2.7 Guía De Instalación
Chapter 1 Initial Installation of RNCS Software
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4012763 Rev B
Editing the /etc/system File
Complete the following steps to edit the /etc/system file to disable TCP Fusion. TCP
Fusion is a no-protocol data path for loop-back TCP connections.
Note: This procedure corrects issues documented in Sun Microsystems Alert
Note: This procedure corrects issues documented in Sun Microsystems Alert
Document (#102576).
1 If necessary, open an xterm window on the DNCS.
2 Complete the following steps to log on to the xterm window as root user.
2 Complete the following steps to log on to the xterm window as root user.
a Type su - and press Enter. The password prompt appears.
b Type the root password and press Enter.
b Type the root password and press Enter.
3 Type cd /etc and then press Enter. The /etc directory becomes the working
directory.
4 Type cp -p system system.< date > and then press Enter. The system makes a
copy of the /etc/system file.
Note: Substitute today's date, in yyyymmdd format, for < date >.
Example: cp -p system system.2006.1121
Note: Substitute today's date, in yyyymmdd format, for < date >.
Example: cp -p system system.2006.1121
5 Type vi system and then press Enter. The system file opens for editing using the
UNIX vi text editor.
6 Press Shift and g simultaneously. The cursor advances to the last line in the file.
7 Type o (letter o). The system opens a new line at the end of the file.
8 Insert the following lines:
7 Type o (letter o). The system opens a new line at the end of the file.
8 Insert the following lines:
* Disable TCP Fusion (Sun Alert 102576)
set ip:do_tcp_fusion=0x0
Important! Note these important points:
Important! Note these important points:
Be sure to type the * (Shift and 8 keys) at the beginning of the first line.
There is only one space on the second line—between set and ip. There are no
other spaces on the second line.
9 Examine the lines you added in step 8 and ensure that you typed everything
correctly.
10 Press Esc. The system exits from editing mode.
11 Type :wq! to save the file and to close the vi editor.
12 In the xterm window on the DNCS, type /usr/sbin/shutdown -y -g0 -i6 and then
11 Type :wq! to save the file and to close the vi editor.
12 In the xterm window on the DNCS, type /usr/sbin/shutdown -y -g0 -i6 and then
press Enter. The DNCS reboots.
13 Log on to the DNCS as dncs user.