Cisco Switching/Routing :: 2811 Permanent Traffic Monitor?
Feb 17, 2012
I was previously using SDM for our Cisco 2811, and this past week installed CISCO Configuration Professional so I could have access to a bandwidth/traffic monitor.
I have successfully started the monitoring service and monitored traffic from within CCP, but it appears that if I turn off the computer I am using to monitor the traffic, it stops collecting data until I start CCP and the monitor up again.
Is there a way (maybe with IOS console commands) that I can have the monitor always running, so I can pull up, say, a week's worth of info at any time? Leaving the computer on all the time is not an option, and currently I have only a few days of data, then a big empty chunk, and then what I have collected since I started it back up today.
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Dec 22, 2011
Both regular IP traffic and ICMP traffic are passing through the source port. C6509 provides the option of filtering vlan traffic during monitoring. But I don't have vlan traffic.
qa-c6509-c(config)#monitor session 1 filter ? vlan SPAN filter VLAN
So I applied an access-list which only allows icmp traffic to be sent out of the monitoring port. But it does not work.
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Nov 15, 2011
Does one can use a Vacl to monitor network traffic on a nexus 3064 much like you can on the 6500s? If so, any performance tradeoffs or caveats to be aware of ?
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Jan 9, 2012
I have a switch 4948, with version 12.2.31.sga4 ( I dont found bug about monitor session) and we try to made port mirroring with a monitor session from a VLAN and port belong at this VLAN have traffic input and output, but in the destination port, I always see it output traffic..
Global command
Red-127#sh run | in moni
monitor session 1 source vlan 1127
[Code].....
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Nov 5, 2012
i would like to monitor traffic between multiple source ports to multiple destination ports on a nexus 7k. i lknow when you set up monitor session is between source and destination (laptop or traffic analyser) but is there a way i can set up between source and multiple destination ports and capture that traffic ?
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Apr 14, 2013
Cisco 2811 runs 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. Is there any way to capture the outbound traffic?
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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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Jan 7, 2013
Which trap we need to enable to monitor FEX module on 5K.If FEX goes down due to link failure/power down we do not receive any trap on SNMP server. Ethernet1/5 is where Fex module in connected on 5K
Some sample log
2013 Jan 4 12:11:32switch1 %FEX-5-FEX_PORT_STATUS_NOTI: Uplink-ID 1 of Fex 103 that is connected with Ethernet1/5 changed
its status from Connecting to Active
2013 Jan 4 12:11:32switch1 %ETH_PORT_CHANNEL-5-PORT_UP: port-channel103: Ethernet1/5 is up
2013 Jan 4 12:11:32switch1 %ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel103: first operational port changed from none to E
thernet1/5
[code]....
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Feb 20, 2013
i am trying to monitor some UPS equipment,for that i am using a cisco 2960 switch and when the UPS is down it sends a L1 loop.when the switch detects the loop the int in which the UPS is conected to will get a link and go up.now my problem is this, as you probeblly know the switch has a protocol which protects it from getting loops and cuasing all kinds of problems.i need to remove this protocol and allow the switch to get L1 loops?
P.si have tryed to use UDLD, KEEPALIVE, BPDU guard, down-when-looped and errdisable commands with no success?
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Apr 1, 2011
is there a way to get traffic and client access/associations data with WCS for each AP of a centrally managed WLAN?I manage a campus WLAN with a 4402WLC (software version 6.0.188.0) and a WCS version 6.0.170.0 .WCS provides me detailed information on a client basis: I'm able to know the association history of each client currently connected, both which AP the client has connected to, and how much traffic the client has generated/ received for each connection.I hadn't find a way to get the same information on an AP basis. Namely, which clients have been connected, and how much traffic has been transmitted per time slot. I suppose this is just a matter of making a different query to the WCS database, since the data are the same used for providing the information on the client association and traffic history. Though, I haven't find a way on WCS to get this information.
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Nov 2, 2011
i want to monitor interface traffic in/out by eem and the if the values is overer than some value i will change the policy. for example my router is 2821 is have 2 fastEthernet port , i want to monitor the traffic on fasE1/0 if traffic over than 80Mbps i will change some configuration ( example: change next-hop on static route) for via traffic to interface fasE1/1 for reduce the traffic on interface fasE1/0?
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Mar 30, 2011
i have a core switch of 4500 series. some system are generating the traffic Extra LAN traffic. how i can monitor on switch that which system is generating the traffic,
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Nov 18, 2012
I am runing 802.1x and MAB authentication of devices connected to a 3560 switch (in test). When I run 'terminal monitor' I am getting alot of authentication fail-msg. Is it possible to get the switch not to show them? I have to do some debugging on SNMP and DHCP to be able to figure out why I get these msg, but since the switch is blasting out so many auth-msg it is hard to see the debug messages. [code]
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Sep 26, 2012
on 7600 SUP720 3B.I have port channel and there are two ports on that port channel. is it possible to apply this command? does it work?
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Aug 20, 2012
i have just set up a monitor session with a 3750 stack .Simple enough task you would think.But i only seem to be seeing broadcast packets !!Now there is definitely unicast traffic being used on the host i am monitoring.I have done the basic commands
-monitor session 1 dest int fas 5/0/24
-monitor session 1 src int fas 5/0/34
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May 24, 2012
I would like to ask about 3750 stacking and some Cat6 stuff...
1) How do we monitor 3750 stacking port in LMS?
2) Let say if I stack 3 switches, middle switch should be Master. Uplink should be at Top and Bottom. Is best practice?
3) Can we mixed 3750G and 3750X and what is result internal BW - fallback to 32Gps?
4) is there any Qos difference between WS-X6816-10G-2T and WS-X6816-10G-2TXL?
5) is there any Qos difference between MSFC5 PFC4 and MSFC5 PFC4XL?
6) What is main difference between PFC4 and PFC4XL in Sup2T?
7) Pls share more about Central and Distributed Switching in Sup2T and which card support Distributed DFCXL?
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Apr 28, 2011
I am supporting a small call center of all Win7 machines. There is no server in house as everything is web based. Anyway, we want to find the bandwidth hogs and programs that I am used to using require servers for monitoring web traffic.
Are there any devices or software that is not a fortune that can give details on bandwidth usage?
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Feb 8, 2012
i need to monitor the traffic on a multi users wireless route
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Feb 23, 2011
ISP has recently announced that they are going to start charging $1 for every GB that their customers go over their monthly limit. i have a 100GB/mo package and i figure that's sufficient for my habits which consist of approx 40GB of torrents, a bit of skyping, bit of browsing, etc. my ISP makes usage graphs available online, when i checked earlier last month to confirm i'm staying under my 100GB limit the graphs said over the past 12 months the highest i topped was 90GB, usually in the 70's. pretty much what i expected. but when i check their usage graphs again recently it says i've been using over 400GB for the past 3 months straight (as far back as the new graphs go). i call BS and find it very suspicious that my internet usage magically quadruples the same time my ISP wants to start charging for overusage, especially retro-active.
anyhoo, i want to somehow monitor my internet traffic usage independently but i'm not sure the best way to go about it.my home network is the typical modem -> router -> LAN.my router is a new netgear wndr3700, it has a traffic meter built in, but considering it's only forms of notification is cutting the internet off altogether or changing a green blinking LED to and orange blinking LED when the defined limit is reached, it's kinda useless. i just got it a couple months ago too, so buying a new router with better traffic monitoring isn't an option.i could put a net meter on each and every computer i have, then sum up their usage stats, but that would be a pain in the ass and wouldn't take my PS3 or WDTV media player into account, as little as they're used online.my prefered solution is to use an old laptop i hardly touch anymore and set it up as a gateway and share the internet connection or make it a proxy server. that way i could set up a net meter on just the one NIC on that to track my internet usage. modem -> laptop -> router -> LAN. the problem i have hear is forwarding ports from one NIC to the other so they can then get ditributed by the router, never tried this before, not sure how to go about it. right now it has XP home, but i can put 7 on it if that's better to work with.
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Jan 24, 2011
I keep getting warning on bandwidth usage , I'm using a dir-615 routers xp on all machines . The one pc that i use to d/l with I have the torrent monitor on and shows little traffic. Ive heard of a few pieces of s/w but these require software to be installed on all boxes Id like to be able to monitor from one box if possible ??
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Sep 7, 2011
I have a two ASA 5520's and I want to be able to see or monitor the traffic between each tunnel. I am using external addresses but for the sake of this question I will use the following: 1.1.1.1 to 2.2.2.2 . How can I montior the traffic?
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Jul 31, 2012
I have an RV042 router and I'm looking to monitor the total upstream and downstream traffic from within the router.
I know there is tons of software that I can put on a network computer to monitor traffic, but is there any software that I can put on the router itself that will monitor the traffic from within the router?
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Mar 6, 2013
I tried to clear monitor session on 6500 and keep on getting the following error:
%Another session parameters or permit-list is being configured %Please wait for another configuration to complete.
how i can go about clearing the monitor session.
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Nov 21, 2011
I tried to clear monitor session on 6500 and keep on getting the following error:
%Another session parameters or permit-list is being configured %Please wait for another configuration to complete.
how i can go about clearing the monitor session.
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Jul 17, 2012
I have 2950 switch booting through MOnitor Mode.Analyzed there is no Cisco IOS image in flash.
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Mar 3, 2013
rsbd7k01-p-vdca(config)# monitor session 2
rsbd7k01-p-vdca(config-monitor)# source vlan ?
<1-3967>
rsbd7k01-p-vdca(config-monitor)# source vlan 1 - 3967
ERROR: vlan 33-3967: Number of source vlans exceeds maximum
rsbd7k01-p-vdca(config-monitor)#
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Nov 29, 2012
I'd really like to be able to monitor DSL traffic on my X2000. SNMP is the logical way to do this; Looking at the source to the Management screen, it looks tantalizingly close, but the SNMP bits are commented out in the HTML.
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Feb 6, 2013
I have 5 linux and 3 Microsoft 2008 Servers, each connected to 2 Cisco 3560 Switches. The 2 Cisco 3560 switches are connected to 2 different Cisco 515e Pix. Is it possible that if i enable Port SPAN in any of the switchport and send a copy of traffic to any of the windows 2008 server, will i be able to monitor the bandwidth of the servers (Here I am only looking for traffic going from servers to PIX and then to internet, also vice versa).
Also will wireshark be able to differentiate specify the bandwidth of each servers seperately ?
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Jan 6, 2013
I have a Belkin G router F5D7230-4 (firmware version 8.01.07) and am trying to view stats on what is using our connection.We have a very low capacity, rural wireless broadband that our ISP tells us is maxed out all the time, even when we don't appear to be using any devices, so I'd like to view the traffic on our DHCP client list to see which device is using an excessive amount of bandwith and put a limit on its access.I don't see a statistics tab on the setup page, is there another place to look or does Belkin have an external program to do this?
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Feb 5, 2013
I am trying to find a tool that will monitor the web traffic for one specific user. If it is capable of bundling it into a report that would also be a benefit. I have searched, but not come up with much aside from broad network monitoring tools. All that is really needed is to capture all the activity from http traffic for this one specific user/PC (since she uses the same PC all the time). We have a Sonicwall NSA 2400 as our internet filter, but I was not able to locate anything on there for specific user reporting.
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Oct 23, 2011
I have four 2811 routers with IOS 12.4(15)T installed. Embedded Event Manager was introduced in IOS 12.3(4)T, why do I not have it?! I've been at this for over a month, when I try to see the command 'event manager' I get Unrecognized command? According to all EEM documentation I can find, this should work on our machines!
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May 20, 2013
I have cisco 2651. It contains two FastEthernet interfaces: Fa0/0, Fa0/1.Fa0/1 has an ip address. Fa0/0 hasn't an ip address.I need to create monitor session from source Fa0/1 to destination Fa0/0. Then i want to connect my notebook to Fa0/0 to analyze some traffic from port Fa0/1
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Aug 22, 2012
I am having difficulties with getting SPAN traffic over my WS-X6704-10GE (CFC).
CISCO7606
ios 12.2(33)SRE6, SUP720-3BXL
Trying to use the span feature, put the commands listed below in and they entered successfully, but the port is not being mirrored.
interface TenGigabitEthernet1/1
description PUBLIC
dampening
mtu 9216
ip address x.x.x.x x.x.x.x
[Code]....
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