Slow Capturing Packets For Specific SSID
Apr 3, 2012
i've just installed a new software called commview for wifi, it has a problem in slow capturing packets for a specific SSID & it stops at a certain amount of packets (10,000). I contacted their support & tried some solutins, at last they asked me to run it in debug mode & send them the log file, i'm not sure how to do it but i googled, when i try any command from the cmd it gives me that it isn't recongnized as an internal or external command, operable program or patch file.
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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 23, 2011
I have a program that is supposed to talk to a server. I basically need to see how it behaves in the worst of circumstances. I need something to mimic this kind of behavior by adding "artificial" high latency to the program. Is there an easy to use program that connects to a the adapter that can do this kind of testing?
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Dec 15, 2011
My HP laptop connects to the router via wifi always. However page loading is very slow. The google home page can take 30-40 seconds. The other laptop we have works fine. If I connect the HP laptop to the router using a cable it runs very quickly always. I have nortons security installed on the HP laptop.I ran ipconfig/all. I pinged the router default gateway address and got back 192.168.0.1. This worked. I then opened a browser and tried to load a page. It was slow to load.I ran ipconfig/all again. The default gateway address had changed. When I pinged the original default gateway address it was losing 1-2 packets and the other packets were very slow. It seems like the router or wifi is losing packets and the default gateway address keeps changing.
I turned off the wifi and used a cable to the router. I ran ipconfig/all. I pinged the router default gateway address and got back 192.168.0.1. I did this several times and the same address came back. Unlike the wifi example above nothing was changing.It must be this laptop's settings as our two smartphones connect to the wifi router and the other laptop as well and speed is not an issue.
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Jul 10, 2012
I have a network at home with 3 wired pc's and 2 laptops I usually connect through wifi and occasionally hard wire. The setup is one router, one switch and a wireless access point. I just added one new pc and I am having a specific problem with that pc and one of the laptops. The transfer speeds are really slow between this one pc (seemed capped at 30kbits) and the one laptop whether through wifi or hard wire and the issue is both ways. Both have absolutely no issues with any other computer on the network and transfer files without any issues. Both are win7 ultimate.
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Oct 2, 2012
I have a g74s Upgraded laptop, very fast, best computer BY FAR in my house. We just got new internet, modem and everything. Every computer in the house has about 6mb/s download speed, mine varies from 800-1.6mb. I am the closest in the house to the router, and I even plug it in directly and that doesn't even work. My ping is over 800 -_- I also cant watch any videos. Just black screens. But the really messed up part, I took my laptop to my friends house, and everything worked perfectly as it should. I tried disabling firewalls and everything, I just can't do anything here. I don't really download anything, Ive cleared my cookies, everything, I pretty much just play starcraft, and I can't like this.
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Jan 10, 2013
I am facing a proble in wireless connection speed that is getting very slow at a specific time, i.e., from 12pm to 2pm and from 9 pm to 2 am. The service is unlimitted type contract
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Dec 30, 2012
Im trying to span a trunk port and capture the dot1q headers on the destination. I'm positive I have it configured right (encap replicate) but wireshark just isn't seeing them. Im trying to capture them on a seperate NIC on my Windows 7 64bit pro box. The NIC is a realtek RTL8169 and it just won't capture the headers. I've also tried the built-in motherboard NIC (which is also a realtek) with the same results.
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Nov 28, 2011
Quick question. I have a site - site tunnel that is up and running between a Pix 515E and a 3050 appliance.Tunnel is up and running but on the pix side I dont see traffic from a couple of subnets behind the inside interface.On the vpnallow access list there are no hits So I setup a capture on the inside interface to see if the packets is making it to the inside interface and nothing. There is some traffic making it thru the tunnel that would have to hit the inside int first and even that doesnt showup in the capture.
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Jul 1, 2012
Is it possible to enable an absolute value rate limit using QOS on a HP ProCurve 5406 switch for a particular IP range on a specific port? Is there a way to configure our HP 5406 with an absolute rate limit on "WAN" port for that server's IP range? I would like to limit it to only being capable of sending 1Mbps worth of traffic over the head end at once.Everything in the documentation points towards priority queues, which as far as I can tell, isn't really what I want.Baring accomplishing this goal using rate limiting is there a better way to prevent our services from accidentally saturating this connection?i thimkong about somthing like that:
class ipv4 rate-limit-port-A1
match ip 10.136.0.0/16 any
exit
policy qos port-a1-ratelimit
class servers-to-be-slowed action rate-limit kbps 1000
exit
interface A1 service-policy port-a1-ratelimit inI'm not sure about this.
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Oct 25, 2011
I use a router RV082 with load balancing. My problem is when I try to access a specific site, I get the error message that my IP address changes and I can not use 2 ip address. I want to specify an ip range to always use the same WAN port.
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May 24, 2011
ASA 5520 running 8.0.4
ASDM v.6.1
Need assistance understanding how in ASDM/Configuration/Site-to-Site VPN/Connection Profiles/ "Any Entry" I can specify that I only want to offer an IKE Proposal of pre-share-aes-256-sha?
The IKE Proposal field has a number of possible options including: pre-share-aes-256-md5, pre-share-3des-md5, pre-share-aes-256-sha, pre-share-aes-192-sha, pre-share-3des-md5, pre-share-aes-sha and pre-share-3des-sha.
I am able to pick a specific IPSec Proposal w/o issue but when I attempt to do the same for the IKE Proposal, and click OK the choice does not "stick" but rather returns to the entire list as defined above.
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Feb 16, 2011
capturing high-quality audio (44.1 kHz, 12+ bits) and send it over WiFi to a receiver.
Microphone->[Audio module+Transmitter] -> Wireless Link -> Receiver
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Dec 30, 2011
I am monitoring 2 or more source interfaces which are running 1G traffic on each interface. Destination is 10G interface.There are 2 kinds of traffic running through the source interfaces: icmp and regular IP traffic. I am only interested in capturing icmp traffic. How can I achieve my goal?I don’t have any vlan traffic at all. Router is c6500.
source (1G) destination (10G)
------------------------- Router --------------------------------------Linux
|
| source (1G)
|
|
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Dec 18, 2012
I have a Router 2801 with the run conf :
!
no ip dhcp use vrf connected
ip dhcp excluded-address 192.168.1.1 192.168.1.63
ip dhcp excluded-address 192.168.1.192 192.168.1.254
!
[code]....
I want to assign a specific IP to a specifig host by MAC .. for example i want the ip 192.168.1.10 to be assign to the host "client1" by mac.I've been creating a new dhcp pool static:
!
ip dhcp pool static
host 192.168.1.10 255.255.255.0
hardware-address xxxx.xxxx.xxxx
client-name client1
!
but the "client1" is still taking other ip.
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Nov 21, 2011
I have configured SPAN session on 2960 switch, source port being a VLAN and destination being one of the fastethernet ports. All I see in the capture is control traffic (HSRP, RIP, Syslog, DNS..etc). However I dont see any real data traffic being captured. Below is how I have SPAN configured..
monitor session 1 source vlan <vlan_id> both
monitor session 1 destination interface fa0/42
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Mar 22, 2012
I have configured Span port on our 4510. We have an application 5view server to monitor trafic connected to G9/17 Since we have changed the network connection from physical Giga port and add a Port-channel instead, we don't see any more trafic from the new Port-channel to G9/17
We have the configuration below on our 4510 :
monitor session 1 source interface Gi4/6
monitor session 1 source interface Po20
monitor session 1 filter vlan 311 - 312 , 375
monitor session 1 destination interface Gi9/17
From the commands show, we don't see the trafic duplication from the source to the destination port :
Port Source
4510-5567#sh int po20
Port-channel20 is up, line protocol is up (connected)
Hardware is EtherChannel, address is 0016.9de2.a818 (bia 0016.9de2.a818)
[Code].....
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Jan 24, 2012
At present we are having a 4900 series switch where we are running one monitor session.Additionaly we are in need of capturing VLAN traffic and set the destination to 2 * GE ports , both are in the same switch.Due to the limitation of two monitor sessions per switch , we thought of putting the destination ports as port channel but it looks like it is not supported.
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Aug 6, 2012
I am aware that the 3750 switches are not able to support Netflows, so I have created a SPAN port and spanning traffic from a specific port. I would like to create a seperate VLAN and trunk the traffic from the SPAN port down to the 6509 switch and then capture all the traffic for that VLAN on the 6509.
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May 5, 2013
I have a RSPAN session configured between a Cisco 3750 and Cisco 2950 switches and I dont see the traffic I am expecting to see on the destination port. I only see broadcast traffic .. HRSP hellos etc. Below is what I have configured on both switches.
3750 (gi1/0/33)----TRUNK------(fa0/47)2950(fa0/4)-----windows server
3750
---------
monitor session 1 source interface gi1/0/18
monitor session 1 destination remote vlan 901
[code].....
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Mar 19, 2013
We have a Cisco 2811 running ITP IOS. On that router we run the SMPP service. A client on the network connects to this service, and we need to capture the traffic for debug.
I've tried traffic-export, but I cannot see any outbound traffic.I'm guessing that this is due to the fact that the outbound SMPP traffic is not transit traffic as it is generated by the router itself.
Is there any way to capture the outbound traffic?
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Aug 26, 2012
Is it possible to assign a single ssid to multiple interface groups by assigning the ssid to multiple AP groups?
I have buildings geographically dispersed that are configured with multiple vlans in interface groups so that I can maintain an addressing scheme of dhcp assigned addresses per building. Each building is also further grouped as AP groups. I'd like to know if by assigning the same wlan ssid to each of the AP groups, will I maintain addressing integrity for each building? I'm thinking it will work.
Do the buildings have to be outside AP range of each other to avoid problems?
5508 controller
7.2.110.0 code
6 buildings
6 interface groups
1 ssid
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Feb 3, 2011
My sent packets are 0 and also received packets. What can I do?
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Jul 20, 2011
I use a wireless adapter to connect to our home network but its stopped receiving packets but is sending them. It has worked fine for ages now it just randomly stopped. The network works with everything else (laptops, Xbox and iPods) but my pc wont receive anything. Also our home connection has no password as we live in the middle of nowhere.
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Oct 29, 2011
I am having a really hard time with a computer that has a wireless connection. Specifically the internet keeps going out. The computer info is that of the affected computer and not the host computer to which the router and modem are connected.
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Sep 9, 2012
How come my packets sent are so high.
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Feb 3, 2013
I've no experience in VoIP and been ditched with looking at an IP trunking problem on our network.The users where getting dead lines or silent calls, but it seems after re-seating IP trunking card here and there around the network a few times, all is settled to normal. Unfortunately it's a third party that look after the majority of the telephony, and as they can't figure out why this happens they often say it must be a problem with the data WAN it traverses.So I started trying to figure something out, I have IPSLA monitoring setup in Solarwinds on most of the routers and all looks well from that aspect; MOS is 4.34 and Jitter is only 1ms at worst. I've taken a wireshark packet capture of the IP trunk by mirroring the port on the switch at a main site where I've been told a lot of calls are routed through. Inside wireshark I used the 'telephony> voip calls' tool and decoded all the calls. The output is showing most calls have 'Out of Seq' and 'Wrong Timestamp' at around 25-50%. Although these calls seem fine otherwise, and I took this capture whilst the fault was not occurring. I know I need to capture next time when the fault is occurring, but this is what I have for now.How can i fix this or even start to troubleshoot further?
p.s- each site has two routers running GLBP to the WAN, over two ISP locations. I read something about having consistent routing to avoid packets arriving out of sequence, but haven't found anything yet to say this is how I can/should do that.
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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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Jun 26, 2011
One Day the internet is fine the next day The Internet Stopped working. The problem is my pc is sending packets but not receiving any i though it was a bug or something so i restarted my pc after i restarted my pc the internet was working fine until a couple of minutes passed it stopped receiving packets again.i tried resetting the modem but nothing worked.I tried winsock fix or resetting TCP/IP and stuff but nothing workscause its starting to frustrate me.
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Sep 26, 2011
Our computer is sending but not receiving packets. We've tried 3 different wi-fi adapters, and that wasn't the problem. We have no idea what's wrong? It won't pick up any wireless signals by the way, and it works fine while connected via Ethernet.
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Aug 7, 2012
I have a home network that does not connect to the internet, but which I use to play games on, or did before this issue happened by.For years my PC's and friends ones had been able to connect into the network with little or no problems, but a few months ago my tower PC just stopped picking anybody or anything up on the network and I have tried tons of different resolutions to solve this.Anyway, the other day I bought a new HD and installed XP SP3 again on it, and for about fifteen minutes I could connect to my Vista Laptop and share files and play games, then it stopped.Next day the same again and off and on till now when its been down for the last week.I have also now bought a new network card - no difference - and disabled the on board network card through the BIOS - no difference.I have done a Winsock repair, replaced automatic IP addresses with manual ones, and countless other remedies which have not solved diddly.
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Jun 6, 2011
I have connected the computer to the internet a multitude of ways, and no matter how i do it, it always can not receive packets. It is sending packets though.I have tried connecting it directly to the modem, with different wires, through a router, through a network card... I'm pretty much at a loss, im not an expert by any means but im not computer illiterate either. Chances are this is a simple fix... My other computer (the one im on) works fine with both cords, connected directly, and through the router to the modem.
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Feb 1, 2012
Basically a while ago last year some time in December my desktop got turned on one day and the internet wasn't working. I tried using my wireless to connect but even that was stuck on "acquiring network address". Ive played around with it abit since then and now my etherent cord shows up as connected but when I go into properties it says no packets getting sent / received. In device manager all my network adapters are cool and dont have any "!" next to them.Ive also tried the cord in my laptop and it works cool.
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