Cisco Application :: How To Capture Packet In Load Balancer CSS11501

Jan 15, 2012

how to capture the incoming and outgoing packets on the balancer?The load balancer is connected in between the customer DCN and cisco switches 2960.The reason of capturing both incoming and outgoing packets on the balancer is to prove to our customer that there is no packet loss issue on the balancer, and it could be some issue on their DCN network.Since it is a production server, I will need to ensure that there is no impact to the incoming and outgoing traffic on the balancer and other networking equipments as well.

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Cisco Application :: Load Balancer For ACE-4710

Mar 25, 2012

I am receiving this error while the device is booting up :
kernel=(hd0,1)/c4710ace-t1k9-mz.A5_1_1.bin ro root=LABEL=/ auto console=ttyS0,9
600n8 quiet bigphysarea=32768 [Linux-bzImage, setup=0x1400, size=0xe719b73]

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Cisco Application :: ACE 4710 Load Balancer Usage

Dec 13, 2011

We are using Cisco ACE 4710 for load balancing the servers. The predictor used is 'least connections'.Have observed the below;The number of connections for a particular server in a serverfarm is 15 in the Cisco ACE.The actual number of users in that server is 6.All the users access using the VIP.Still i couldn't understand why there is difference in the number of users in the server and the load balancer statistics.

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Cisco Application Networking :: ACE 4710 Configuration Of Load Balancer

Jan 22, 2013

I am configuring a load balancer from cisco, a ACE 4710.Load blancing is completely new to me, and i am unexpereinced in this field. It has to be configured for a customer that want to load balance HTTP and RTSP traffic over 4 application servers (Back-end),I searched alot on google for possible solutions, and got RTSP in some way to work, but http wont work says my customer.

[Code] .....

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Cisco Application :: CSS 11500 - Why Website Inaccessible Through Load Balancer

Nov 30, 2011

We have a CSS 11503 with the following partial config [code] it is clear that the server at is active.  What we cannot understand is why web site is inaccessible thru load balancer using

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Cisco Application :: Configuring Load Balancer (ACE 4710) - Unable To Ping VIP

May 13, 2013

I have trouble with new installation  LB ACE 4710 for Oracle application load balance. Problem: Unable to PING VIP - / 24
Below are the simple configuration parameters:

1. ACE 4710 is connected with Cisco 3560 Switch - L2 Trunk (Channel Group)

2. Cisco 3560 Switch is connected with Cisco 6500 Switch (Core) also L2 Trunk

3. There are 3 Vlans,(255, 310, and 370), Vlan 255 is management Vlan

4. Real Servers and Virtual IP are part of Vlan 310
- VIP  -
- Real Server1 -
- Real Server2 -

5. Gateway is (vlan 310), (Vlan 370)

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Cisco Application :: CSS11501 Redirect Preserving URI

Oct 19, 2011

I have a application where I have to redirect a specific URL to another. The point is that the primary URL, have some information that I want to preserv after redirection, for example: url...
The default CSS11501 behavior is to redirect the primary URL to Just that.

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Cisco :: Is GLBP Work As A Link Load Balancer

Sep 12, 2012


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Cisco :: Monitoring Context Of Load Balancer Using LMS Prime 4.2

Oct 18, 2012

Can we monitor context of load balancer using LMS prime 4.2?              

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Cisco Application :: CSS11501 Dual Network Connection

May 24, 2011

I have CSS CSS11501 which is working fine in single arm deployment. Now I want to have redudency so that in case the switch 1 where CSS is currenlty connected is down.I can reach the CSS through the second switch 2.Both the switch are trunk with each other and CSS has one port connected with Switch 2.

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Cisco Application :: Several Pairs Of CSS11501 And 11503 In Network

May 21, 2012

We have several pairs of CSS11501 and 11503 in our network.This issue affects only one pair of CSS11503 in one of our data centres. [code] We use vrrp in one-armed mode for load balancing and they units have performed great for a number of years. We're obviously going to be migrating to ACE ... but not just yet.We have started to experience a problem with replicating the configurations between two CSS11503 in a pair.When running the commit-VipRedundConfig, it starts off happily enough, though slowly.Ending with "working" and the spinning cursor, even after 1 hour the script hasn't completed.We noted on the backup CSS that the APP configuration disappears during the process and I can't remember if this is normal behaviour.
Re-adding the app session configuration seems to interrupt the process, and when checking the configuration on the backup CSS approximately half of it is missing. Everything after the first owner is gone.

1. Configuration is too large, or just large enough to make the commit script take too long for realistic service.
2. Software bug?
3. Combination of both.
4. From now on manually add config to both CSS's and maintain it by process management.

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Cisco Application :: How To Make A Redundant Connection To A CSS11501

Feb 20, 2012

I require to connect a "css11501" two core switches to provide redundancy to the load balancing service and would like to verify this possible (Does the spanning-tree protocol officer for load balancing?)

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Cisco Application :: CSS11501 One Arm Configuration For CSACS Radius Authentication

Nov 5, 2009

Is it possible to deploy the CSS11501 in one arm design to loadbalance the authentication traffic Radius across CSACS servers which is on UDP 1645 or 1812 port, is it required to configure the NAT or not, if yes how can define the shared secret in the CSS. also tell me how to configure the keepalive for udp traffic in this scenario other then default icmp keep alive

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Cisco Application :: CSS11501 Commit Vip Redundancy Script Failure?

Jun 23, 2011

recently when i run the commit vip redundancy script, i encountered the following error. This script has never failed in the past. Upon checking the backup CSS, i did notice that my most recent changes were actually synced. The following is the debug i have captured while running the script.

active-lb# script play commit_vip_redundancy "local remote -a -d" active-lb# Checking available disk space on systems ... Checking the disk space locally before continuing with the script. Verifying that another local session is not running the script. Creating script/vipr_config_sync_lock file. Verifying app and redundancy configs ... Verifying that app session is up with backup switch. Making sure app session is up. Seconds to wait before calling it quits:    60 Checking the disk space remotely before continuing with the script. Checking local and remote switch versions ... Storing the running code versions of the local and remote switch. Storing the local switch's version. Retrieving the remote switch's version. Checking remote version for 4.0 Checking if switch is BACKUP for any virtual routers and if the state is 'No Service'. Checking vip redundancy state.... Checking if backup switch is Master for any VRIDs. If it is, either a local


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Packet Capture In FWSM?

Oct 1, 2012

when performing packet capture in a FWSM

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Linksys Wired Router :: RV082 Load Balancer Between 2 Providers

Feb 25, 2011

I have got Linksys RV082 in my home network to use it as load balancer between 2 providers.Is it possible to make some customisation in scenarioses and logging system? As I understand the device is based on some Linux core and Linux infracrtucture. So it must me available in sources... How I may get this kind of access? I want to get ssh/telnet or other raw access to installed on the device OS and manual control it, treat around web-UI. How may I do it?

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Cisco WAN :: Embedded Packet Capture On ASR1000

Oct 30, 2012

I'm trying to use EPC on ASR1001 running IOS-XE 3.4, and it won't work. Configuration commands are accepted by the router, but there are no packets in the capture buffer.In release notes for IOS-XE, in the 2.5 section, there is a statement that EPC is not supported on ASR1k. Is it true also for newer versions of IOS-XR?

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Cisco WAN :: Embedded Packet Capture On ASR 1001

Feb 5, 2012

I have a need to capture traffic on an ASR 1001 subinterface, but what I have found is that the Embedded Packet Capture feature is not supported on this platform.  Are there any simple alternatives to capture egress traffic on a subinterface or am I SOL?  This is a walk in the park on normal IOS routers...

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Security / Firewalls :: Which Packet Capture Program To Use

Oct 24, 2011

I have a piece of software that I suspect is sending unwanted data over the internet to some IP address. I'm not an expert in anything related to computer networks, but I figure I could use such software after playing around a little with it.What application could I use that would so the following:

a) capture all the bytes the application is trying to send out so that it seems to the application it is doing it and see the place it was trying to send it

b) after inspecting the data, if it was ok, send the packages to wherever it was supposed to go so that it seems the original application sent.

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Cisco WAN :: 3945 MPLS L2VPN Packet Capture

Nov 27, 2012

I want to capture packet on gi0/0 of PE1 in  order to show customer that all his traffic is encapsulated and  transmitted by L2VPN (ldp signaling) in his lab.
PE1 and PE2 are Cisco3945 and L2VPN is working well. I  tried cisco RITE(Router IP Traffic Export Packet Capture) feature, but  the output was not what I expected. I tried both export mode and capture  mode. Only LDP hello message I got, looks like RITE is only interested  in IP packet. Monitor session wasn't effective as well because it is not  a switch.
Is there any other way/workaround to capture customer's traffic encapsulated in L2VPN?

What I did on PE1 when I was trying RITE export mode:
ip traffic-export profile test


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Cisco VPN :: ASA-5520 / Packet Capture At VPN Entry (and Exit)

Oct 20, 2011

I would like to capture packets which are going through an IPSEC tunnel. The packets originate in the appliance (syslog) and are sent to the remote via a VPN. I can see the encapsulated packets going out to the peer and I can see the ISAKMP packets to and from the peer. Because the packets originate within the appliance, they do not appear on any interface to be captured.
Is there some way to capture these packets before they are encapsulated?I attempted to capture packets on the asa-dataplane, but they are in a format that I cannot decode, and I cannot put a filter on the capture.
Hardware is ASA-5520
Software is version 8.3(2)

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Cisco Switching/Routing :: C6509-E / What Is Mean That Is Packet Capture?

Apr 1, 2013

I operate between c6509-E, what did you flooding? its just packet capture gi1/3 but  i dont know it and is it attack?also same seq no switch gots it?what is problem?

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Protocols / Routing :: How To Capture QOS (Quality Of Service) Filed From IP Packet

Aug 8, 2012

I want to make packet sniffer which capture the IP packet and then extracting QOS filed from it's header

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Cisco Switching/Routing :: Port Monitoring On A 2901 For Purpose Of Packet Capture?

Jul 26, 2012

I have always done my port monitoring (SPAN) on Cisco layer 3 switches with no issues. This time I am trying to do this on a Cisco 2901 router:

Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.1(4)M2, RELEASE SOFTWARE (fc1)
System image file is "flash0:c2900-universalk9-mz.SPA.151-4.M2.bin
I need to have the source port gig0/0 and destination port gig0/1. There is something about the gig port enumeration (slot/port#) that makes the command rejected. It is self explanatory:
#sh ip int brie
Interface                  IP-Address      OK? Method Status                Protocol
Embedded-Service-Engine0/0 unassigned      YES NVRAM  administratively down down   
GigabitEthernet0/0      YES NVRAM  up                    up     
GigabitEthernet0/1         unassigned      YES NVRAM  up                    up     
Serial0/0/0:0              unassigned      YES unset  up                    up     

It doesn't matter what slot or port number I use, it is always rejected. The command is rejected for Both destination and source gig interfaces. I tried a wide variety of slot/port numbers. To my best understanding the complete port names are: GigabitEthernet0/0 and GigabitEthernet0/1, so why does it think there has to be another digit after 0/0 or 0/1? Does it have anything to do with the Embedded-Service-Engine0/0 being administratively down?

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Cisco Firewall :: ASA 5505 Using Logging & Packet-capture To Locate Virus Infected PC

Aug 2, 2011

ATT notified my company we have a virus infected pc on one our networks which sits behind a Cisco ASA 5505 running 7.2(4). The set up is a basic inside/outside NAT configuration. They gave us the destination ip address and port which the our pc is contacting.  I have been tasked to track down the infected pc.  I created the following access-list and applied to the inside interface:
access-list VIRUS extended permit TCP ANY host x.x.x.x EQ YYYYY log debugging interval 600 access-group VIRUS in interface inside
I enable logging to the console whose output did not list the IP address of the infected pc, only the ip address of the DNS servers we were using. I then used the following capture commands to try locate the internal ip address of the infected pc:
capture in-cap interface inside access-list VIRUS-CAP buffer 1000000 packet 1522 capture in-cap access-list VIRUS-CAP interface inside
Neither step worked and the resulting console output overwhelmed the firewall in a very short period of time. Before attempting this task again, I would like to know if I am going about this the right way or if there is a better methodology?

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Cisco Application :: ACE20 Module - Capture Probe Traffic?

Mar 5, 2013

I have an HTTPS probe that sometime fail, sometimes does not fail.
The probe that sometimes fails is the TEST-HTTPS. The TCP_443 probe works perfectly well.The ACE is configured in bridge mode.Is it possible to capture the PROBE traffic on the ACE side?

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Cisco WAN :: CEF - Per Packet Load Balancing (3560)?

Jul 5, 2011

confirm is Per packet load balancing is supported in the 3560's ?
I am going around in circles, and can't find a definate Y or N answer.
I have a suspicion this CEF feature is only available on routers.

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Cisco WAN :: 6500 Per-Packet Load Sharing?

Aug 6, 2012

Does Cisco 6500 with Sup 720 3BXL sipports per-packet load sharing amogn interfaces? CLI shows only per-destination is supported.

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Cisco WAN :: Per Packet Load Sharing On 7600

Apr 14, 2011

How to activate "per-packet load sharing" on a 7606S with RSP720-3CXL engine and 7600-ES+20G3CXL module. The IOS version is : 7600rsp72043_rp-ADVIPSERVICESK9-M), Version 12.2(33)SRD4, RELEASE SOFTWARE (fc2)
I tried the two (2) following commands but they are not supported :-

hw-module slot1 ip load-sharing per-packet
- ip load-sharing per-packet (on interface)

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Cisco Application :: CSM Packet Loss WS-X6066

Jun 28, 2011

I´m having a problem/issue with my CSM. I have a WS-X6066-SLB-APC - Version 4.2(1), installed on a 6500, and for a while now whenever I ping the VIPs (vservers) I detect some packet loss (In 10.000 ping packets, I loose around 1%), and higher response times; If I ping the reals I see no issues, only with the L3 behind the CSM.

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Cisco Application :: URL Load Balancing In ACE 20?

May 23, 2011

I have 2 rservers,,I have 3 URLs in both

I want to have only one link for two same link in both servers with this ip address so I will have 3 link and will load balance to 6 links


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Cisco Application :: 389 Load Balancing LDAP In ACE?

Dec 5, 2011

Does loadbalancing ldap services in ACE? Both port 389 and 636.

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Cisco Application :: SIP Load Balancing With ACE 4710?

Nov 8, 2011

SIP Load balancing Issue with ACE 4710?I have a Cisco ace 4710 with vesion Version A4(2.2). i configued simple SIP load balancing first without stickiness. without stikeiness we are having a problem because bye packet at the was not going to the same server all the time that left our port in used even though user hang up the phone. its happen randmly. i have a total 20 licenced ports and its fill out very quickly. so i dicided to use the stickiness with call-ID but still same issue. below is the config
rserver host CIN-VOX-31
  ip address
rserver host CIN-VOX-32
  ip address


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