Home Network :: Wireshark Or Tshark Scheduled Captures?
Dec 11, 2012
I'm trying to schedule a 90 second capture every 20 minutes to coincide with a process I have running. I have created a batch fun to run tshark.exe with the command to stop after 90 seconds, and an output file (-w). This all works, my challenge is that the next time it runs it overwrites the previous file. Is it possible to make tshark timestamp the filename? or is there something clever someone can recommend with a batch file to copy last version somewhere else and rename, so that I can have the process running constantly.
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Mar 1, 2011
If I look at a site like wikipedia for example ,it has lots of text. If I capture those packets which made up that page using wireshark I cant find that text anywhere no matter what filter I use and even though I turn on ASCII. Is it because text is being rendered unreadable by some kind of compression?
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Dec 8, 2012
how to use wireshark to troublesoot network issue i not sure how to use wireshark to troubleshoot.
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May 16, 2012
So I have bought myself a DCS-2121 with firmware 1.05, 4630. Everything works fine except that the camera does not seem to adhere my settings on the snapshots page. At average, it seems that only one image is sent to my FTP-server regardless of the interval parameters.
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Dec 27, 2010
my DCS-2121 :
The scheduled recording or scheduled snapshots is not working. I am running the camera standalone and using the web based configuration, storing the images or avi's on a ftp or samba server.
No matter what i specify, it records when triggered (by motion in my setup). All the other settings like, samba, ftp, video, motion detection, and so on is working fine - but I can't configure it to only record like between 10-16 every day. It records all the time - no matter what I select and what I enter in the schedule scheme.
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Apr 1, 2012
I have a NAM appliance that generates captures with incorrect timestamps. It looks like it's adding 3 extra zeros after the period, turning miliseconds into microseconds.
Here are the capture settings, and attached a sample capture.
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Dec 18, 2011
Ive just downloaded wireshark just to mess around and ive noticed that even when ive got nothing open its still capturing packets. It gives me a choice of interfaces i want to choose to monitor and i would of thought it be "Realtek PCIe Family Controller" as this is normally the default one (im using wireless) but its saying no packets are being captured from this interface its the "Microsoft" Interface thats capturing the packets. Ive attached a screenshot, i know this isnt nothing bad but was just wondering 1) why isnt my Realtek PCIe interface capturing anything?
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Feb 24, 2013
I have a Time Warner Cable business class service with no static IP, with a wireless modem which is plugged to a CAT5 distribution panel. On the jacks (2 other rooms on the house) I have a Linksys E3000 and a Linksys Valet router for signal boost and gadgets usage (TV, cameras, etc).The main router (TWC) has it's own external IP which TWC assigns to me and internally distributes via DHCP the range 192.168.0.x. With that said:
- The E3000 has a 192.168.0.6 IP -- this is fixed setup on the TWC router (ubee brand) by MAC address
- The Valet has a 192.168.0.7 IP -- this is fixed setup on the TWC router (ubee brand) by MAC address
- The main router has the 192.168.0.1 as the gateway and web-interface
Whenever I connect something to the E3000, it is distributing the 192.168.1.x range and the valet 192.168.2.x range.That works perfectly for my home based business until I decided to use more stuff on the network such as a IP printer, IP cameras, etc.
- The IP cameras are connected to the E3000 due to signal strength and I have manually assigned them the 192.168.1.15 and 192.168.1.16 IPs and ports 9001 and 9002.
- The printer is connected to the E3000 and I have manually assigned the IP 192.168.1.30.
Issue 1: Port forwarding On the main router (TWC - UBEE) I have tried to setup a port forwarding by informing the Local IP as 192.168.0.6 (E3000 IP), Internal Port 0, Public Interface IP (0.0.0.0), Ext Start Port 9001, Ext End Port 9001, Protocol - Both, Enabled Yes. On the E3000 I did the same config (screen shot attached e3000.png).This is not working properly. I can't get into the camera.
Issue 2: Printer/ The printer is only accessible if I connect to the E3000 (because it is on the 192.168.1.x network)
Issue 3: How to configure all the devices on the same subnet? If I want everyone to be on the 192.168.0.x network, how to configure properly the E3000 and the Valet? I have tried to force them into the same network but it would not work properly. It would not get an IP from the UBEE router (main).
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Mar 19, 2012
How do I set up Wireshark to monitor a local IP? 192.168.0.186 I guess I have to do some kind of settings in the DIR-655?
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Nov 6, 2012
I am capturing at 2 different locations and I need to find packets that are getting dropped between the 2.
I have done all the merging and everything needed for this in wireshark but because the mac address changes 1/2 way to me all the packets are coming up as lost
is there anyway to remove the MAC address from the captures or as a field it looks at?
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Apr 16, 2012
How can view the scheduled archiving job in lms 3.1 ?
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Dec 5, 2011
A network administrator wants to capture some network data. He opens Wireshark software, start capturing, and does the following:In PC-A, runs a command in command prompt. The network admin issues the command and sees there is ping response from the google.
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Oct 23, 2011
Friend of mine has a setup out in the sticks, currently with two ISPs: Hughesnet satellite, and a line-of-sight WiFi provider; they're also getting a cel tower within range soon and he's looking at adding an HSPA/LTE connection via that as well.the first gives him a static IP and ridiculous speed and bandwidth at night... but far less speed and a painfully low bandwidth cap during the day (you go over, you pay through the nose).
The second gives lots of bandwidth but poor speeds (difficult to even watch a YouTube video) and a constantly-changing dynamic IP.The third, once implemented, will give him good speeds and decent bandwidth (I believe up to 10GB/mo) but again, will get spendy if he goes over that limit.Right now, I've got him set up with both routers plugged into the same network, multi-homed the NICs on his machines (192.168.0.* for Hughes, 192.168.1.* for LOS) and a little script on each computer that will change the default gateway to let him select which ISP he wants to use... however, it's going to get trickier with a third, and will make it even tougher to keep track of the bandwidth used on each one... especially with multiple computers, a DVR, and two users.
So I'm looking for some way to automate all this... something that will, say, use the HSPA feed most of the time for his whole home network, switch to LOS if it gets near the cap, and switch everything over to the satellite automatically during "unlimited" hours. Again, I'm not opposed to setting up something PC-based with the appropriate software, although for my own sanity, it would really need to be Windows-based (I'm way below n00b with Linux).
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Sep 3, 2011
Though other logs are being received through the email.
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Jul 1, 2012
create a scheduled task in LMS. In this task I would like to regularly check time on all network devices in LMS and generate a rapport about this that would be sent to e-mail. All network devices have the same NTP server. How can I create this task? LMS version is 3.2 SP1.
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Jun 13, 2011
Usually the configuration files are fetched once every week. Lately, the Scheduled Config collection job is failing for all the devices. I have tried to “sync Archive” from LMS 3.2 on some devices but nothing happens. The switches out there are C3750, 2960, 2950, 3550, 3650 and some routers.The server is Win Ser 2003.
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Oct 20, 2011
Here's the layout: Cable modem in the basement. Several devices in which I'd prefer a wired connection in the basement. Upstairs on the 1st and 2nd floor of the house are many devices in which wifi is fine or preferred.Here's the problem: As you might guess, wifi is weak upstairs and certainly on the patio and 2nd floor. I have an access point upstairs that I've experimented with but it is flaky.
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Nov 10, 2011
How to install a wireless network in home environment?
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Jan 14, 2012
I am a new student in networking, taking the CCNA courses, and now want to rewire my home. I currently have a cable modem and E2500 setup running my network. I want to get the modem and router out of my computer room and in the basement where the cable enters the house. I want to do this to clean up the computer room wiring a bit and to run line drops to different rooms in the house where the internet will be utilized.Currently there are two PC's, a laptop, a tablet, sometimes a phone, and an XBOX using the internet. I want to get my printer back up and running on the network but thats another story. Only one PC is currently hardwired. I would like to run two cables into the room with the PC and XBOX that are currently using wireless, at least two into the computer room for the PC and network printer, and one or two into the living room for the blue ray player and possibly an internet tv.
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Sep 10, 2011
I have a D-Link DGL-4500 router and my landlord recently ungraded our internet connection. However, now I get this error message when I try to hook it up to the ethernet hub,"The addressing of the Internet side learnt thru DHCP conflicts with the addressing selected for the LAN side. Internet communications will be disabled until you have changed the LAN side addressing to resolve the problem."
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Dec 18, 2011
Ive just downloaded wireshark just to mess around and ive noticed that even when ive got nothing open its still capturing packets. It gives me a choice of interfaces i want to choose to monitor and i would of thought it be "Realtek PCIe Family Controller" as this is normally the default one (im using wireless) but its saying no packets are being captured from this interface its the "Microsoft" Interface thats capturing the packets. Ive attached a screenshot, i know this isnt nothing bad but was just wondering 1) why isnt my Realtek PCIe interface capturing anything (even when i have youtube open it doesnt capture anything) and 2) why is Microsoft capturing packets? what is this microsoft interface and why is it capturing packets when nothing is open.
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Jul 22, 2012
We are going to be rolling the 4500 switches out and I wanted to know more about how to use the wireshark featue. Any documentation on how to use this?
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May 26, 2013
I have cisco 2651 with one L3 interface ip 172.26.18.200. This Cisco is gateway from E1 PRI (PBX Aastra MX-ONE TSW) to SIP (Asterisk). This cisco 2651 connected to cisco 2950 in port Fa 0/12. Fa 0/12 is in VLAN 518 (dot1q).
On cisco 2950 i made next commands:
# monitor session 1 source interface Fa 0/12 both encap dot1q
# monitor session 1 destination interface Fa 0/9
#sho monitor session 1
[Code].....
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Jul 12, 2011
We're since long having a problem with a DSL internet connection. The connection goes down periodically, for short times, and when performing speed tests, the connection speed varies and is usually lower (0.7 Mbit/s) than what the ISP promises (1.5-2 Mbit/s). Moreover, what modem is being used seems to have an effect.Now, I want to trouble-shoot this and get some hard facts on the behaviour of the connection. I would like to do repeated speed tests over say 24 h or so. They should be done every 3 min or so (to catch short glitches).
My question is: what software tool can I use for this? I have been searching the internet for hours, downloading a handful of applications, without finding anything that I could use. There are loads of applications that log and graph the current upload and download speeds, but that's something else - I need a tool that downloads/uploads files from/to a server, in intervals specified by me (3 min), logging the result and presenting it graphically.
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Mar 1, 2012
A few weeks ago I noticed that at 9:00am sharp every morning my internet access dropped, and would come back up four minutes later.
The router is connected to a DSL-526B in bridge mode. My first thought was that the modem was playing up, so I factory reset it and reconfigured it.
I checked my ACLS and didn't see any rules that started or ended at 9:00 am so I just lived with it for a week or so until it got so annoying I contacted my ISP to see if they were resetting anything at 9am.
By accident, I saw that my wireless radio was being enabled aat 9:00am, as it had been for the last 2 years, when I first bought the router. But this problem has only started a few weeks ago.
So I changed the wireless schedule to see if that was really the cause for the reset, and sure enough, whatever time I changed the wireless schedule to, the router rebooted at that time.
I've also factory reset the router; twice; the first time I saved/restored my configuration, the second time I recreated all configuration from scratch.
why enabling the wireless radio resets the router, and why disabling it doesn't, and how to correct this behaviour?
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Feb 10, 2011
I'm trying out the RV120W wireless router with the latest firmware. I have two APs set up with different schedules. However, the router fails to enable the APs as scheduled and I have to cycle the power to get the APs going again.
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Aug 8, 2011
I use CiscoWorks LMS 4.0.1.
I planned a discovery of devices for some time, but if I change the parameters of discovery (adding a seed device) in "Discovery Settings Summary", this change does not apply in the scheduled task.
If I change the settings in the scheduled task, the changes do not apply in "Discovery Settings Summary". We must change the settings 2 times.
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Dec 30, 2009
I do not see 802.1Q tags nor do I see p-bits (COS) in my wireshark captures. My setup is not working and I have no way to verify (sniff) that the 6509 is setting the p-bits to 3. [code]
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Jul 8, 2012
I am running an E3000 with Firmware - 1.0.04.
I would like to schedule my boys ipods to be on the network from 2:00pm to 4:00pm each day.
Running the Cisco connect software it would appear I can schedule from 2pm until the next morning but not a 2 hour window in the same afternoon.
Looking through other posts I see earlier software where this can maintained through the Router firmware but with 1.0.04 I seem to have to use Cisco Connect.
So how can this be done with my current configuration ?
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Dec 20, 2012
I have setup a webserver on my home PC and I have forwarded port 80 on my router to the IP adress of the PC that is running the web server. The web server is working great; I can get to my web pages from outside of my home by going to http://MyIpAddress/Anyway, the problem is with the Windows Media Player plugin I'm using. I want to embed 6GB MPEG-2 videos into my web pages. I have some videos on my PC and I want to be able to watch them remotely by connecting into my web page. It works fine when I'm at home; other PCs can connect and play the videos no problem. The problem is when I'm at work. When I'm at work, I go to my web page (via my IP address in a web browser) and the Media Player plugin says "Connecting" for a minute, then it says Ready, but the video will not play. I tried using a smaller, AVI file (680 MB) instead to see if the problem was streaming such a large file, but the video still would not play.Do I need to foward more ports on my router so that Windows Media Player can connect back and get the information it needs?
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Oct 3, 2011
I have ADSL modem in my workplace that is connected to a switch and other workplace computers are connected to this switch so the ADSL internet is shared in LAN network.(in each of computer I set default Gateway to ip of modem .....)I want to dial my workplace from home and then use of workplace internet or connect to workplace LAN.(such as VPN or Port Forwarding or I don't know...)
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Sep 20, 2011
I'm currently in the process of buying the new property, which is in the build process and would like to put some cables across 3 floors, which would be connected to the router downstairs.
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Mar 13, 2011
I have been having a bit of trouble with networking my two machines to share files and allow printing i have a win 7 laptop and a xp home desktop. I share a net connection via 02 wireless box both systems have wireless i have tried many things
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