Cisco WAN :: Netflow Support On ME3600X And ME3800X?
Aug 1, 2011
Do you know if the following Cisco switches ME3600X ME3800X support Netflow? I need to collect data on interfaces and export it to an external Netflow collector installed on a server. In other word, I need to be sure that those switches support the following command (or similar):
ip flow-export destination <IP> ip flow-export source <Interface> ip flow-export version 5 ip flow-cache timeout active 1 ip flow-cache timeout inactive 15 snmp-server ifindex persist !
[Code].....
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Jan 9, 2013
i just came to know Assurance feature license doesn't come for free when upgrading from LMS4.2 or NCS1.1. It has to be purchased. Before buying this license, i would like to know if IPv6 netflow is supported.
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Apr 23, 2012
What are the limitations of Net flow v9 support on the 7600 platform for the SR code releases?
I know that Flexible Net flow is only available on newer releases with some newer hardware. Flexible Net flow gives you the ability to provide full support for Netflow v9 as well as IPFIX.
However, the documentation indicates that Net flow v9 is still supported in the SR code. So I am just trying to find out what are the limitations in how Net flow v9 is implemented without "Flexible Net flow". The Cisco TAC was unable to provide me any documentation about this.
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Jan 28, 2013
I was working with Opmanager software to monitor my network, and i downloaded the Netflow plugin, i tried to enable the netflow on my core switch c3560 but I was surprised that it does not support the NetFlow, after many resersh most of URL's say it does not support until i found another URL from Cisco Says that it support Flexble netflow now, but i think we should update the IOS.
[URL]
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Sep 25, 2010
I currently have Netflow enabled on all of my routers in my network. However, I have a Cat3750, which does not support Netflow. The 3750 is at a larger remote site and I need visibility into the traffic that is traversing internal to that switch. All VLANs are configured on the 3750. I have an extra Cisco router, which I have theorized I could use as a Netflow probe.
The 2811 Router has to FastEthernet ports.F0/0 would be configured with no IP Address and would be connected to the 3750 on G0/1 with no VLANs configured.F0/1 would be configured with a static IP and connected to the 3750 on port G/02 with the appropriate VLAN to ensure network connectivity.
On the 3750, configure a monitor session with a destination of Interface G0/1.On the 2811, configure netflow to sent to the Netflow server and set F0/0 for ip flow ingress.Obviously, it doesn't work. But I cannot figure out why.
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Nov 14, 2012
I searched around but did not see any valuable info on this so I guess it doesn't. But wanted to get confirmation from you guys.
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Feb 6, 2012
I am trying to use the following commands on the switch but it is not supported:
ip route-cache flow
ip flow-export destination
Attached is the output for show version and show module commands from the switch.
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Dec 25, 2011
I need to know if Cisco Switch 2960 support Netflow. If it doesn't, how do I configure the switch to enable Netflow?
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Jun 8, 2009
I can't seem to find any information on the Nexus 5000 support of netflow. I assume that means it doesn't do netflow.
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Feb 8, 2012
I'm looking at implementing a new DMZ and wanted Netflow capability for security monitoring.The architectural principles I have to adhere to dictate that the switches within the DMZ are layer 2 however to get Netflow I need a minimum of a 3560/3750X, Network Services module, IP Base IOS with ip routing and CEF enabled.To do this and still keep the switch functioning as a layer 2 device the intention was not to configure SVI's or any static/dynamic routing protocols.Will Netflow still work in that scenario?
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Dec 5, 2011
I know the Nexus 5548P hardware does not support Netflow.I just need to know that if we introduce the layer 3 Daughter Board N55-D160L3 does this add Netflow support?
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Sep 17, 2012
I've been researching the 3750-x Netflow support but I'm not 100% sure of how much support it has. From what I've read the only way to get NetFlow support is to install a specific module that provides NetFlow. I also heard about how it might support s-flow but I haven't found out for sure.
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Sep 29, 2011
system mtu routing 1500 Is there a replacement command for this?
MLS QOS commands not accepted. Has the ME3800 been designed so these buffers don't need to be adjusted?
in the policy map:
class class-default
random-detect dscp-based not accepted. Is there a work around?
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Mar 13, 2012
Any major difrrence between Netflow v/s Netflow-Lite?
I am trying to understand if Cisco 4948E can do the same job as Cisco 4500E or not and difference between Netflow v/s Netflow-Lite will work for me to select correct product.
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Jul 26, 2012
Struggling to find any documentation that states both "ip accounting & netflow" are supported on the new ME3600 switches. I have tried both a 12 and 15 release of software. Netflow produces no data what so ever, ip accounting only produces data (of the global network) when configured on my uplink (running MP-BGP network) unable to get specific data for user networks in seperate VRFs. Is this a case of the commands being there but not being supported?
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Mar 13, 2013
we are trying to use the SD Card Slot on an Cisco ME3600X (ME-3600X-24FS-M) IOS Version 15.2(4)S2. If i try to copy a file from the sd card slot to the flash there is no Option like "slot0:" or something alse and no syslog message appers while adding the SD Card.
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Apr 16, 2012
I'm looking for a 24-port SFP switch. Each of the two switches in the subject meets that requirement. If I went with the ME switch over the 3750 (at about half the cost), what features/functionality if any, would I be giving up?
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Feb 28, 2012
I have an Metro network running ISIS to different locations. There are severals vrf's on different VLAN's with separate ISIS routing processes. ISIS is running in L2-Only There are two redundant hub routers (ME3600X) that are placed centrally.Connected to each of the ME3600X is an ISR2951 that connects to the internet and handling backup connections over DMVPN. Over those DMVPN tunnels I run MPLS over GRE and routing with BGP. The leaves are IBGP neighbours, and the central ISRs are route-reflectors. In those routers I redistribute from BGP to ISIS and vice versa. The IBGP has an admin distance of 200 and the ISIS route has 115, so in normal operations the ISIS route is installed in the FIB.
My problem is that when an primary connection goes down, I want the backup route via the DMVPN to be redistributed from BGP in to ISIS, and the traffic to go over the DMVPN instead. But what will happen is that when the ISIS route over the primary connection disapear both my ISR's will compete in advertising the route, and as one of the ISR's is advertising it the other one recives it and since ISIS distance are better it will prefer that one, and the other way around. So my routes are coming and going, and everything is unstable. With just one ISR, it works as it should.I tag the route redistributed in to ISIS, but there is no way to add a incoming distribute list to the interface of the ISR in ISIS, otherwise I might have stopped the route in to the ISR if it was advertised by the other ISR.
Also tried to put the ISR's in different L1 areas in ISIS and redistributed L2 to L1 in the ME3600X with an route-map filtering the routes learned from BGP from the ISR's. That works for failing over, but then I'm stuck on the DMVPN bacause when the primary way comes back again, the L1 learned from the ISR is prefered before the L2 learned from the neighbor over the Metro network.
I was thinking of extending the BGP in to the ME3600X, I could of course use EIGRP with distribute-list's between the ME end the ISR. [code]
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Oct 30, 2012
I have 2 ME3600Xs and utilize Broadcast and Multicast storm control on client facing interfaces. One of my ME3600s is reporting a Multicast storm and that a packet filter action has been applied. The strange thing is that it is showing up on an Admin Down interface that has nothing connected to it. [code]
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May 5, 2012
Our customer has a Cisco ME3600X with the IOS me 360x-universalK9-mz.122-52.EY3.They are saying that is not possible to configure the "switchport port-security mac-address sticky" in the interfaces and want to know whether any additional license is needed.As far as I know there isn't any extra license to activate this feature and also I believe the ME3600 switch should have this feature with the universal IOS, isn't that right?
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Apr 17, 2013
I have configured the netflow to gathering flow from my cisco 2800 as below:
interface GigabitEthernet0/0
description ### To VNPT_FTTH_20M ###
no ip address
ip flow egress
ip route-cache flow
[Code]...
But i still not see users addresses(each individual hosts will go though) What and where i am configured wrong? I also attached here the map network.
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Jan 8, 2013
configured the monitor and exporter on the wcs 5508 running 7.4.100.0 and it is not working.
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Mar 1, 2012
How NetFlow works when NAT is enabled in the Cisco Router? ...the translation of IP addresses is done before or after save the packets in the flow caches?
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Feb 5, 2013
I have an issue with Netflow that I have been unable to solve. I have an ASA5510 that is sending netflow data to a FogLight NMS and it works fine until I reboot the server. After the server is rebooted, the flows no longer are received until I reload the ASA. Once the ASA is rebooted, flows work fine. I can remove and reconfigure the netflow configuration on the ASA and that will start the netflow again, but that is painful.
Is there any way to easily stop/restart or re-initiate the netflow from the ASA easily?
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Apr 22, 2013
I see these errors on my 6500 router which acts as my server farm and has hundreds of servers connecting to it. I have just taken over these routers from another guy and think the errors may have been there for quiet awhile. I have another router which doen't seem to have these errors. Can you tell me how to turn off netflow? Will it cause any problems to my server farm? Is there a risk to the router if I disable something?
I ask this cause the server guys are having problems with certain servers. I am not sure if they are because of this or not. I really would like to clear the logs. [code]
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May 22, 2013
I was trying to get Netflow setup on one of my 7K VDCs and ran into a problem. While netflow data was reaching the collector, IP src/dst information was not appearing in the analyzer tool. I could not see any information about conversations. So I contacted the company that makes the collector/analyzer and the directed me to a blog on their site and told me to setup the 7K exactly as it is described in the blog post. I did and a bit later the ip src/dst address information appeared. So the only difference between the two configurations was that in the first case I tried to define a record and in the second case, no record was defined and instead the orginial-netflow parameter was used in the "flow monitor" section. [code]
I referenced the document "Cisco Nexus 7000 Series NX-OS System Management Configuration Guide,Release 6.x", Chapter 19 - Configuring NetFlow.It's clear to me that I didn't do something right in defining my own record since that's really the only difference between the config that worked vs the config that didn't. However, the documentation I referenced doesn't really provide useful information about how to create a record (above and beyond what I can already see by typing '?' at the CLI).
For example, the "match" command makes no sense to me. Usually when you have a match command it is accompanied by some sort of ACL. In the "flow record" section a match command would be something like "match ipv4 source address" but that's it. What does that mean? Match anything that has a IPv4 source address?? That doesn't make much sense. The collect commands are equally as bewildering. If I want to define my own record (and not use the original-netflow parameter) what do I need to do in the "flow record" sub-configuration to get Nexus to send ip src/dst information to the collector (which, I would think, is basic information to send - what good is netflow data without it)?
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Feb 7, 2010
I have a question regarding netflow and NAT. I have read some documentation (on ASR1000) regarding monitoring NAT process on Cisco ASR1000 that can be done using netflow version 9 (the term was called netflow event logging a.k.a NEL). The problem is, I have not found the netflow collector that can do that. I have queried several software such as manage engine "Netflow Analyzer" and Lancope, but they said their software can not do that.
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Jan 10, 2011
We have a 1841 router and would like to enable netflow. Will this degrade the router's CPU and memory performance.
1841>sh verCisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.4(1c), RELEASE SOFTWARE (fc1)Technical Support: [URL] Copyright (c) 1986-2005 by Cisco Systems, Inc.Compiled Tue 25-Oct-05 17:10 by evmiller
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
1841 uptime is 1 day, 4 hours, 47 minutesSystem returned to ROM by power-onSystem restarted at 11:04:25 MYT Mon Jan 10 2011System image file is "flash:c1841-ipbase-mz.124-1c.bin"
Cisco 1841 (revision 7.0) with 114688K/16384K bytes of memory.Processor board ID FCZ113311Y62 FastEthernet interfacesDRAM configuration is 64 bits wide with parity disabled.191K bytes of NVRAM.31360K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102
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Apr 5, 2012
I am trying to setup Netflow to identify a problem I am having with a video conferencing system. Here are the commands that I have entered into the 6509 I am working on. I have checked this against another 6509 I have and these match. Not able to get netflow to show up on the solarwinds server. I have configured it to accept the netflow source coming from the 6509 I am working on.
ip flow-export version 9
ip flow-export destination 1.1.1.1 2055
ip flow-export sourc vlan 254
[Code].....
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Dec 13, 2010
how I configure netflow on a cisco 877 router.
I have an interface e0/4 that is 172.1.1.1 on router one (network one) which links to another router (onnetwork two) which has an interface of e0/4 172.1.1.2 which allows two networks to communicate. Network one is 192.168.0.0 /24 and network two is 10.255.255.0 /24.
How do i configure netflow to monitor the traffic going through these interfaces?
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Jan 12, 2011
I have a WS-C3560X-24P with this SW version 12.2(55)SE1. It has several L3 Vlan interfaces.How do I enable it to send Netflow traps?It does not support the ip flow-export commands.
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Apr 19, 2012
I have a 7200 router with a 12.2.(46a) IOS and I am trying to activate Netflow on a subinterface. From the documentation of Cisco, I should be able to do it since the ios 12.2.(14)S but the command is unavailable.
[URL]
I have tried also to enter the command in the subinterface directly but it doesn't recognize it.
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Aug 22, 2011
5505 ASA, 8.2(1) ,We can not get it to report Netflow to the collection agent at 192.168.1.34. Here is the commands I've entered:
asa# show run | i flow
access-list netflow-export extended permit ip any any
flow-export destination inside 192.168.1.34 2055
flow-export template timeout-rate 1
flow-export delay flow-create 60
class-map netflow-export-class
match access-list netflow-export
flow-export event-type all destination 192.168.1.34
policy-map netflow-export-policy
class netflow-export-class
flow-export event-type all destination 192.168.1.34
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