Cisco WAN :: 3845 - NAT With Load Balance

Aug 3, 2011

I am using as database server in head office. my branch user are more than 500. all user hit at for database. Now i want to NAT  with application server and with load balance As some user hit form branch but traffic go to and some users traffic go to
I want to do it in My core router (Cisco 3845) in Head office. How i do these two things  ?

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Cisco :: Load Balance Between ASA And FWSM?

Aug 6, 2012

What is the best way to load balance traffic between an FWSM and ASA 5520? Both are attached to a 6509-E (in seperate VLANs). The problem is the FWSM doesn't support any dynamic routing protocols (in multi context mode). So with my limited knowledge I don't see a way to do this.

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Cisco WAN :: Load Balance On 2911 / K9?

May 20, 2012

Is it possible configuring load balance with three intefaces, in my router with the following features?I have three ISP, and would like balance the traffic ... Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.2(2)T1, RELEASE SOFTWARE (fc1) Cisco CISCO2911/K9 (revision 1.0) with 483328K/40960K bytes of memory.

Processor board ID FTX1613AH8D
3 Gigabit Ethernet interfaces
1 terminal line
2 Channelized (E1 or T1)/PRI ports
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash 0 (Read/Write)


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Cisco WAN :: WAN Load Balance 1921 ISR?

Feb 6, 2013

So I can fail over my NAT and IPSEC VPN (DPD). I am curious can I load balance my WAN links too?

I have a route map that is used for fail over, I just can't quite think how I would load balance the links
ip nat inside source route-map 10mb interface GigabitEthernet0/1 overload
ip nat inside source route-map efm interface Vlan3 overload
 ip route 213.38.xx.xx
ip route 46.226.xx.xx 10
 access-list 175 deny   ip


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Load Balance Two Internet Connections?

Mar 22, 2012

i am using two internet connection if one fails the other want to connect automatically is there any hardware.

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Cisco WAN :: SA520 - Load Balance Status

Apr 22, 2011

We configured sa520 load balance with 2 isp 2mb+2mb how to check the status of the load balance on sa 520 .

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Cisco Routers :: RV042 VPN Vs Load Balance

Jun 6, 2011

I have problem with VPN and Load Balance at the same time.VPN (Gateway to Gateway) between two RV042 routers is working fine with only one WAN or two WAN's with Smart Link Backup. If i switch to Load Balance communication through VPN is almost impossible.
I have postgres server (port 5432) in first location and clients in another. Clients cannot connect to server or lose connection after while. This is example, but every communicaton except ICMP over VPN with Load Balance enabled is faulty (file sharing, RDP...). Everything works fine using public IP and port forwarding or VPN with only one WAN.
If i understand it correctly Protocol Binding should affect only "normal" communication (outside of VPN), but it looks like VPN communication is also divided between WAN1 and WAN2. Of course this cannot work this way because VPN works only with one WAN.

Another question - is it possible to bind communication TO selected target port with RV042 Load Balancing to selected WAN?

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Cisco WAN :: 2911 - License For Load Balance

Jul 26, 2012

I would like know, what license is necessary to employ a load-balance in a 2911 router. I have these licenses bellow, can i configure an load balance?In this cenario we have two links with an ISP.
Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.2(2)T1, RELEASE SOFTWARE (fc1)
Cisco CISCO2911/K9 (revision 1.0) with 479232K/45056K bytes of memory.
Processor board ID FTX1613AH8D
1 FastEthernet interface
3 Gigabit Ethernet interfaces
1 terminal line
2 Channelized (E1 or T1)/PRI ports(code)

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Setting Load Balance In DLink LB-604 Router

Nov 1, 2011

We have a Dlink Lb 604 router. We have two wan connections. Connection 1 has a speed up to 8 Mbps.Connection 2 has a speed of 1Mbps.We set the load balance to 50-50. When we tested the speed with two lines it is showing 1 Mbps only.When working with connection 1 we are getting speed upto 6 Mbps.

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D-Link DSL 2640B - Does It Load Balance Bandwidth

Aug 30, 2011

I have a D-Link DSL 2640B on the way which I plan on using to replace my 2Wire modem. The 2640B is a combination of a modem/wireless device. Does it dynamically load balances the internet connection? Sometimes while I'm playing online games on my PC and a few others are using the internet for browsing or Youtube, I lag A LOT. Latency shoots up from 10 to 200. QoS goes to ****. And I only need 0.50-1Mbps to keep a steady online play. This was the problem with my 2Wire. So does the 2640B load balance the bandwidth?our max speed is 3.5Mbps according to the ATT Rep.

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Cisco WAN :: 2901 Router Support For Load Balance

Jan 10, 2012

i need to know how many links i can using with load-balance on the same router ? i have router cisco 2901 , 3 providers , every provider having 4 links can i load balance between 12 links ? i am using static route

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Cisco WAN :: Load Balance Of 3750 Port Channel?

Jul 17, 2011

What is the load balance method of 3750 port channel ( by source ip , or by source mac ) to diver traffic to paths? I have tried to use and as source ip, it will travel to the same link (G0/1) within one port channel (G0/1+G0/2). Howerver, if I later use, then this time it will traffic to G0/2 link. What's the concept behind.

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Cisco Routers :: RV042 Load Balance With VPNs?

Jun 30, 2012

I want to split my traffic between two ISP's.  I want all traffic to pass over one connection EXCEPT my VPN tunnels, which I want to use the second ISP.  How should I set up (protocol binding?) to accomplish this?  (I have run into various problems trying to load balance all traffic.  So I am trying to "partition" traffic.)

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Cisco Routers :: RV042 Load Balance Not Working?

Apr 16, 2012

I have set up an RV042 v1 and v3 both in Load Balancing mode.  Set in Router mode.I want one of the WAN ports to be preferred so I added a static route to metric 5 to that WAN.Sometimes the route shows in the routing table and sometimes it goes away!!

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Cisco WAN :: 5510 Dual ISP Load Balance And Backup For Each Other

Mar 4, 2011

I have two ISP circuits and the following devices in hand:

1.   Cisco ASA 5510
2.   Cisco 2800 router
3.   Cisco 3750 switch

I've finished a part of the configs on above equipments, please refer to the attached diagram.And I'm making a test in order to achieve the below features:

1. By default, packets from PC1 go out through ISP 1. Packets from PC2 go out through ISP 2
2. When ISP 1 is down, packets from PC1 changed its way to ISP 2 through the 2800 router. And when ISP 2 is down, Packets from PC2 changed its way to ISP 1 through ASA 5510.

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Cisco Routers :: RV016 Load Balance Control?

Feb 15, 2012

I have several RV16 with two internet connections each one, but different speed each wan connection, it takes the slowest wan connection allways, I use the round robin option, any clue in configuring?

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Cisco :: Load Balance 2 5508 Wireless Controllers?

Aug 1, 2012

--- I have 2 WLC's 5500 that I have to set up on my network with the same configuration except I am not sure that they can be load balanced.

--  My only thought is to take a full class C and on each WLC set up a /25, thus each device can provision 120 IP's

--- This seems a bit archaeic, but is there anything else smarter to do? Can they be load balanced?

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Cisco Firewall :: ISA570 - Load Balance Between Two ISP Connection

Apr 24, 2013

We want to us an ISA570 and load balance between two isp connections, two of our switches will be standalones and not connected to one another.  One switch will be for data and another VOIP/Data. The ISA will also do NAT and we need to make sure that the VOIP network can get out to the first isp.  I assume we will need a static route for that to make sure it goes out the right isp.  I just don't know if routing mode needs to be enabled in order to specify a static route, because I heard you can't have NAT and do routing mode at the same time.

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Cisco Application :: 4710 - Load Balance Two / Three ISPs Using ACE?

Oct 16, 2011

How to load balance two/three ISPs using ACE.
What might be the default gateway?Can i create a serverfarm with two rserver with different subnets?

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Cisco Routers :: Configured RV042 To Load Balance 2 WAN

Mar 16, 2013

I configured a RV042 to load balance 2 WANs. It appears to working well but I would like a 2nd opinion as to whether or not I chose the proper settings to accomplish the task.
1. WAN1(ISP1) is the existing internet connection(1.5mb T1). I have a block of static IPs with ISP1.
2. I added ISP2 to the RV042's WAN2 connection to increase bandwith (10mb). I only have one static IP on ISP2.
3. I want everyone on this router to use WAN2... well... almost everyone... for the most part.
4. I want to keep WAN1 active on this router because there will be periodic inbound connections using static IPs (from ISP1) that are setup with one-to-one NAT. I also have a voicemail system that needs to continue to use ISP1's email relay (SMTP,25).
Anyway, I was able get the outgoing traffic that had to remain on WAN1 working with protocol binding. In order to get the router to use WAN2 for pretty much everything else, I set it for load balancing and set "Max. Bandwidth provided by ISP"  for WAN1  up & down kbits/sec both to 32 (very low). I left the WAN2 up & down settings to the actual speed of WAN2.
The result is very low traffic on WAN1 and lots of traffic on WAN2 which is what I wanted. Did I do this right? Is there another preferred method to accomplish this.

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Cisco Switching/Routing :: Load Balance Between 3 877 ADSL Routers

Apr 25, 2012

I have 3 877 ADSL routers for internet connectivity.  I recently installed a FW behind them and would like to use the Ciscos as load balance in order to get better utilization from my 3 internet links.
1) the 3 routers are on DHCP from the ISP on the WAN side.

2) the 3 ciscos are on the same class C subnet on the LAN side:, and

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Cisco WAN :: 7200 - Load Balance Traffic Between BRAS Routers?

Oct 29, 2011

ISP environment with 3 Cisco 7200 BRAS ( NPE-G2 ) , we need to load balance traffic between two of them so the load balancer will accept traffic from backhauling link and distribute traffic the upper two BRAS , can we achieve this using spare 7200 we have or is there any software solution can do this .
another question , Cisco 7200 VXR ( NPE-G2 ) , does it support concurrent calls or sessions from more than 16000 subscriber ?

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Cisco Application :: ACE 4710 HTTPS Load Balance Configuration

Apr 16, 2012

Have two ACE 4710 in HA setup. We would like to setup HTTPS loadbalance(actually just a primary and standby configuration in the serverfarm). Initially this would be for Exchange OWA connections but may expand to more HTTPS connections later. I know there are several ways to do SSL with the ACE( client, server, end-to-end). I am just wanting to know the easiest way to deploy this? Is a certificate always needed on the ACE for each connection? In HA mode would a certificate be needed for both or does it replicate in some way to the other ACE?

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Cisco WAN :: 3560 Is There Some Wrong Configuration With Load-balance Command

Jan 28, 2013

I have been experiencing some issue with a portchannel interface.I have two cisco switches 3560 and I have a portchannel between them ( It is composed by two gigabitethernet interfaces generating a portchannel of 2 Gigas ).Unfortunately, I am verifying that one interface traffics about 893MB but the other interface only traffics about 100MB.Is there any cause why is this happening? I thought that maybe both interfaces would traffic about 450MB.Is there some wrong configuration with the load-balance command?. At this moment there is no load-balance, It is only configured the port channel with the default configuration.

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Cisco WAN :: 1841 Unequal Load Balance With Static Routes

Oct 3, 2011

I have a 1841 router attached to 2 ISP's. Each ISPs provides different bandwithd. I want to do load balance between them, but I want to do some sort of weighted load blance, so as to assign more traffic to one ISP than the other. A kind of 70/30 (70% of traffic via ISP1, and 30% of traffic via ISP2).Is there a way to acomplish that? I already tried creating bogus /32 routes, but "cef" seems to be more clever and groups the bogus routes as one gw.

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Cisco WAN :: 6513 / EIGRP Unequal Load Balance Calculations?

May 15, 2012

I have used EIGRP with the variance command for years.  Recently we swapped out our 6513 for 2 Nexus   7K's and lost the variance command.  So now I'm stuck running our two MPLS routers to a 3750 which then connects to the 7K's, so I can get the unequal load balancing back in operation.So because I can't play with it while it's in production I'm using dynamips to simulate the configs.  The problem is I'm not able to get a traffic share count ratio that reflects the actual difference in bandwidth. 
The two lines have 155 MB and 45 MB respectively, for a ratio of 3.4.  Now you can't really send ".4" of a packet but the total packet ratios when dividing the traffic share count should be similar.  I'd settle for 3.  I was able to get 2.9 in the past but now on the simulator I can't even get that.  I'm seeing traffic share counts like 120:89 and 120:71 depending on how I fudge the metrics when I inject the routes from BGP.
I found this link: [URL] a stellar article by the way, and this guy is doing calculations to arrive at a 5:1. BUT when I apply the same formula using specifics from my network and the desired ratio of 3:1 what I get is an AD so high that the route is no longer feasible.  I simply cannot make a ratio fo 3:1 using the formula. How to be able to make anything other than a marginal ratio actually work or is this all just theoretical?

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Cisco Application :: ACE 4710 - Load Balance Https Based On Url

Nov 15, 2011

I am trying to configure ACE 4710 to load balance base on the URL, If it matches the specific URL ( /456/ ), the traffic will be sent to server farm 456 else the traffic will be sent to server farm 123.
I attached an image of the topology.
Ace Config: 
rserver host SRV01_123
ip address


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Cisco Firewall :: 5510 Load Balance For Internet VPN Traffic

Jun 28, 2011

We are now using a ASA 5510 firewall and we would like to configure a internet load balance traffic in our environment.For example, some IP addresses go through local gateway for internet routing but some address go through VPN tunnel gateway.

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Cisco WAN :: 2800 ISR And MPLS - How To Load Balance / Prioritize Traffic Between Them

Oct 31, 2011

We have 2mb mpls network between three sites. Each site also  has its own internet connection for hosting webserver and internal users to access internet. Each site has a few internal subnets. Each site currently has a  2800 series ISR.

1) Increase Internet connection to 10mbps  and configure site-to-site VPNS in a mesh configuration so that each site has a vpn to each other site. This would create six vpn tunnels.
2) Configure so that only Exchange and VoiP traffic use the MPLS network under normal conditions. All other traffic (backup/misc apps) should be routed to use the Internet VPNs. If the MPLS fails of course we would like the Exchange and VoiP traffic to fail over to the VPN connections as well until the MPLS comes back up.

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Cisco WAN :: 2800 Load Balance Internet Multiple ISPs

Jan 9, 2010

what you're doing to load balanace internet traffic?  I'm interested in load balancing internet traffic (outbound -AND- INBOUND) using multiple (at least 2) ISPs.  Some of the methods I have used in the past have certain weaknesses.. basic DNS load balancer (relies on multiple IP addresses per host), OER/PFR (ability to control INbound is limited unless complex configuration and coopearation with ISPs)...  This is kind of a broad open ended question.. It seems like something that would be a common issue and am wondering what other are doing with the capabilities 2800, 2900, 3800, 3900 series routers..

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Cisco Routers :: RV042 - How To Configure Load Balance Properly

Feb 7, 2011

I've  purchased a Linksys RV042 hoping I could connect my two ISP.Both of them are 1/1 Mb, first is DSL  second PPPoE connection.The problem is that on system summary page it doesn't show me that second WAN is connected. Even when I trying to manually connect to Internet it doesn't work.
When this connection is in Load balance Mode, internet is very slow, sometimes it's even disconnected.
My question is:How to configure Load Balance properly?I've tried this page:


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Cisco Routers :: RV042 Load Balance Not Working Correctly

Feb 8, 2012

We have an RV042 on firmware version and 2 ISPs:
WAN1 = Telepacific T1
1.5Mbps down and 1.5Mbps up
WAN2 = AT&T U-Verse
12Mbps down and 5Mbps up
I have it set to Load Balance, Primary WAN = WAN2
Network Service Detection enabled, only pinging the Remote Host of and set to Generate Log
Bandwidth is set to:
WAN1 = 1000Kbps upstream & downstream
WAN2 = 5040Kbps upstream & 12000Kbps downstream
It seems to pick WAN1 a lot of the time.  Do I have something setup wrong?

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Cisco Switching/Routing :: 1941 Ethernet Load Balance?

Mar 5, 2013

I'm setting up a lot of small remote sites that are only reachable via VHF ethernet radios that operate at 32k.  I'm going to be using 2 of these radios shooting to two seperate base station radios to provide diversity.  I'm going to have a Cisco 1941 sitting between the two radios and the way I have it configured now is to only use one radio and the second is only sitting there in case the primary fails.  I was thinking though that I could load balance them to give a little more throughput.  The devices at these sites are really low speed but we like to use snmp to monitor everything that is ethernet so I wanted to give as much bandwidth as I can. 
Will load balancing work in this situation?  What would the basic configuration be?  This is all internal to our network so there are no ISPs to deal with.  We're using C1900-UNIVERSALK9-M IOS will that work or will I need to change that?

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