Getting a strange PING from you Cisco Call Manager? Dropping every 6th packet?

We have been having some issues with our Cisco VOIP system here, such as phones rebooting, SRST Fallback messages etc. During the troubleshooting process I discovered what I thought was latency with the route to the Call Manager:


MDF1#ping
Protocol [ip]:
Target IP address: 192.168.XXXX
Repeat count [5]: 100
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 100, 100-byte ICMP Echos to 192.168.22.1, timeout is 2 seconds:
!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!
!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!
Success rate is 84 percent (84/100), round-trip min/avg/max = 1/2/9 ms

We got on the phone with Cisco, replaced the adjoining switch to no avail. Upon further investigation we discovered that this is normal and has to do with the firewall policy. Cisco CUCM and other VOIP products(CUC) use a rate limit on their firewall to protect against DOS attacks, and we can safely ignore this:

admin:utils firewall ipv4 list
***output Omitted***
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmptype 8 limit: avg 10/sec burst 5
LOG icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 limit: avg 1/min burst 5 LOG flags 0 level 4 prefix `ping flood '
DROP icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8
***output Omitted***

Copy + Paste (Clipboard) Issues / Not Working With Windows 7

Some users are having a problem copy and pasting with Windows 7. The problem seems to be consistent with multiple applications. If you have a valid recent System Restore, Microsoft recommends this as a first course of action. If this does not work, use the System File Checker to check you system. Access SFC by:


1. Open an elevated command prompt. To do this, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

2. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow. 

3. At the command prompt, type the following command, and then press ENTER:


sfc /scannow


For more information about using the system file checker, please refer to this Knowledge Base article: http://support.microsoft.com/kb/929833

Exacq Video Client will not export video to .exe instead does .psi and .ps

When trying to export a video from the playback tab, I had a problem. It would not save it as a self contained executable. After consulting with Exacq I have learned about 2 problems and 2 solutions.

1) Make sure the complete video is finished loading before you export it. If you do not, it will publish your exe.ps and exe.psi files instead.

.ps and .psi files are native video and sound files that can be played by the Exacq Player, which can typically be found here: C:\Program Files\exacqVision\Client\ePlayer.exe

2) If you already exported the .ps and .psi files you can combine them in 2 ways: DOS and the aforementioned Exacq Player.

In the player, open the .ps file and then save it as an exe via the file menu on top.

In DOS follow these instructions from Exacq:

1. Determine the directory in which the PS file to be converted is located, and open a DOS command
window in that directory. Typically, the directory path is \My Documents\exacqVision Files.
2. Assuming the exacqVision software was installed in its default directory, and the PS file to be
converted is named test.PS (a generic name for this example), type the following command.
Please be careful to observe the quotation marks and capitalization: C:\Program
Files\exacqVision\Client\ePlayer.exe" -c -itest.ps -otest.exe
3. The resulting file is called text.EXE and can be played on any Windows computer without
exacqVision software. Please note that if you intend to e-mail this file to a third party, many e-mail
systems do not permit EXE files to be sent or received.

From: https://exacq.com/kb/kbdl.php?did=b3be08b2-297e-d545-b7c8-4bc37622c9c3&fid=pdf