Cisco WAN :: 7600 - Limitations Of NetFlow V9 Support
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 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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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 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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Apr 3, 2013
Below is my Topo
DUT------router(7600)------Sami module (slot 9)
I have both ipv4 and Ipv6 config on all the three hops. Between Cisco and Sami module, I have the Ip config on vlan interface 1400(say). Its not on a physical interface obviously, I can ping ipv5 from DUT to Sami IPv4 address. But Ipv6 doesnt work. If I add a sttic route to DUT network on SAMI, show ipv6 route does not show it.
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Dec 22, 2011
I´m looking for an IOS on a 7609 SUP720/MSF3 that supports the NAT-PT feature (IPv4 to IPv6 translation). I searched on the Cisco Feature Navigator but the tool didn´t show up any IOS for the 760x platforms. I only got the feature "NAT-PT: Support for Overload (PAT)" with IOS 15.xS train.
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Jan 20, 2011
how many sessions a BGP Route Reflector can support? is it 10, 100 or 1000 BGP sessions? What degradation of performance may arise in the case of a BGP RR sessions overload? Consider that the RR I'm deal with has both the control plane and teh forwarding plane. Which command I may use for get the output about BGP sessions resurces used level?
The following are the data about the RR:
Cisco 7600
WS-SUP720-3BXL
Version 12.2(33)SRD5
cisco CISCO7609 (R7000) processor (revision 1.2) with 983008K/65536K
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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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Dec 8, 2011
I would like to know the IOS which supports :ACL Support for Filtering on TTL Value feature on my Cisco 7600 device. I check on cisco and found the Cisco 12.4T release but this software doesn't fit onto my chasis. which software should I upgrade to on my cisco 7600 to have this feature.
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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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Oct 29, 2012
We have the following architecture for Internet access:
LAN ---- CISCO-CHASSIS----FIREWALL-----INTERNET
My concern is about PAT, for LAN users Internet access: I would like that PAT is performed by Cisco chassis(in my case, a C4500), not by firewall (which means: local IP addresses for flows from LAN to Internet are all natted with the same public IP address).Are there some drawbacks to this design? I guess there is no problem for classical flows, but what about flows with specific comportment (such as FTP) on Cisco routers?
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Nov 30, 2011
I'm currently running 8.3(2) on my 5520s in an active/standby config. The 5520s have the 2GB RAM upgrade and 256MB flash card. Are there any CPU limitations in going to 8.4? I read the release notes but didn't seen anything about CPU. I heard through the grapevine that a 64-bit processor may be needed. We currently have the Pentium 4 Celeron 2000 MHz CPU.
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Oct 10, 2011
I'm trying to use a 5520 to test something but the bandwidth seems pretty low for the product I'm testing over it. Can anyone tell me if there is a bandwidth limitation by default? I'm seeing 1.5mb/s average with spikes to 6mb/s or so. On the ASA5550 I was seeing usage up to 80mb/s.
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May 29, 2012
What is the throughput of a 7246 UBR? I have 2 in service and it appears I can only get a maximum of 40Meg .
I am using MC16C card and NPE225 engines each card has approx. 700 customers on it.
If we upgrade to a 7246vxr with NPEG1 and MC28U.
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Dec 22, 2012
I am experimenting with a Cisco 871 router. The router has 4 LAN ports and 1WAN port.What are the limitations wrt to the LAN ports when it comes to routing. Is the WAN port the only port that supports routing?
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Mar 30, 2013
I've setup a Cisco Secure ACS server 5.1 in VMware ESXi everything seems to be working fine, however under the options for Policy Elements > Authorization and Permissions > Device Administration > Command Sets there is a command called "DenyAllCommands" that was there when i first installed the ACS. Is there any way to remove this? When I try to remove it i get an error that thats it can't be removed or modified. I'm writing a report on the Cisco ACS for university, if this is a limitation of the evaluation licence I will need to reference it. If this is a limitation and provide a link to a cisco page that confirms this.
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Apr 27, 2013
we have a RV082 and have the DMZ option enable for a range of IPs within the same subnet of WAN IP and this works great. I have another range of Public IPs from our ISP that is not in the same subnet of the WAN IP and do not see a way on the RV082 to include this 2nd bank of Public IPs in the DMZ. Our ISP internet feed plugs into the RV082 WAN port and we have a switch pulgged into the DMZ port of the RV082 that is used to connect the public devices in the current DMZ. Both banks of Public IPs from our ISP come over via the ISP internet feed plugged into the WAN Port. My question is, if I cannot configure a DMZ rule to allow this 2nd range of Public IPs to "travel" to the RV082 DMZ port.
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Mar 21, 2012
We are looking into replacing our current Windows NLB configuration with a SLB solution as NLB creates some nasty multicast traffic.
We are currently curious about the limitations for running SLB without a dedicated ACE Module, will it handle line-rate speed (1 and 10 gbit) with SLB?
Does VSS introduce any limitations for SLB? Any other pitfalls/limitations we should be aware of?
Hardware info: 2x WS-C6509-E in VSS with VS-S720-10G (VS-F6K-PFC3C) running s72033-ipservicesk9_wan-mz.122-33.SXI7
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Aug 20, 2012
I have found that there are only few configuration to the Cisco Aironet 600 OEAP. The settings are just for basic configuration for a wireless network when it is in autonomous mode.
A need for a Wireless LAN Controller to perform advance settings.
Also, there are no firmware available in Cisco. No upgrade/downgrade firmware avalaible for download.
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Mar 21, 2012
on ACSv5.2...are there any limitations on the number of users that can be imported via CSV file...i.e. will the ACS handle 250,000 internal users for example?
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Feb 22, 2013
I have a ASA5505 that i have running asdm 6.4 on it and have tried setting up some DHCP scopes for the interfaces.I have the security plus key.I set up 4 interfaces all with different subnets and all with different DHCP being doled out by the firewall for the time being.Anyway, 3 of the 4 work.I have tried to change interfaces wondering if there was an issue with that phy device.I tried enableing the subnet that would not work first and it didnt matter still would not issue dhcp.the other 3 work fine.Is there a limitation to the amount of scopes that will issue dhcp for an asa5505 ?
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Aug 26, 2012
Is there any limitations of network size for an interface in a WLC 5508? Any recomendations of netmask size? Maximum /24, maximun /21?
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Jan 29, 2013
with FW 7.4.100.0 a 2500 controller works as anchor controller, now.I have 3 questions.
1) What are the limitations? 15 EoIP tunnel, Clients? something else?
2) Have Cisco a compatibility matrix about Anchor - Foreign Firmware? (Example works 7.4.100.0 anchor with 7.0.x.x foreign?)
3) A controller works only as anchor. A controller version with lowest AP licence is needed. Right?
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Nov 17, 2011
Our company is planning to buy one of cisco ASA 55xx series.But there is still one question left about DHCP pool limitations.Here I found some information about licensing for DHCP on ASA 5505: [URL]In other words, we don't have any information about ASA 5510, which contains DCHP pool licensing.
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Oct 20, 2011
I wanted to find out how many times can I apply a healthcheck in a single context. I have 50 farms that are using the same port and instead of creating 50 different healthchecks, I want to just create 1 healthcheck for the 50 farms and apply it to each farm. I also need to know if the same limitations (whatever they may be) is the same for the 4710, ACE20 and ACE30.
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Sep 20, 2011
I came across this site. I wanted to produce a better incoming ACL at home and work to prevent known bad sites
Here is their list of the Top 10 Global Spammers is out. The biggest surprise on the list is Korea, as it takes over the number one global spammer spot from China. With the improved high speed internet infrastructure in Korea and ease of network access, who knew Korea would be on the rise.
Here is the complete Global Spanner Top Ten List for the first quarter
[URL]
Korea
China
India
Russia
Turkey
Viet Nam
Ukraine
Brazil
Venezuela
Pakistan
When I sort the list, it is over 16k lines of ACL!
My question relates to what performance limits I would find.
Can I actually put that many lines in an ACL?
Will the router choke and do any other work
I have attached the sorted ACL list for you to review
Any of the following router lines will accept a list that large and still run acceptably?
2811
2911
3925
2945
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