Load balancing using multiple default routes
Hi Guys,
I just want to ask does creating multiple default routes on my router provides load-balancing on my WAN side? As far as i know, for example if I have two default routes on my router and let say I have two users connecting to the internet, the first one might go to the first WAN link while the second user might go to the second WAN link.
Thank you so much
Rex
there are the difference between, load balancing and load sharing..which we need to understand.
load sharing means you have 2 users, user A and User B, user A wants to use ISP1 and user B wants to use ISP2. this is called load sharing. and can be achieved via PBR (Policy based routing).
we should not try to use load balancing for Internet traffic with 2 different ISPs.
Similar Messages
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Load balancing across multiple machines
I am looking for assistance in configuring Tuxedo to perform load balancing across
multiple machines. I have successfully performed load balancing for a service
across different servers hosted on one machine but not to another server that's
hosted on a different machine.
Any assistance in this matter is greatly appreciated.Hello, Christina.
Load balancing with multiple machines is a little bit different than
in the same machine. One of the important resource in this kind
of application is network bandwidth, so tuxedo tries to keep the
traffic among the machines as low as possible. So, it only
balance the load (call services in other machine) in case all the
services are busy in the machine where they are call.
I mean, if you have workstation clients attached only to one
machine, then tuxedo will call services in this machine untill
all servers are busy.
If you want load balancing, try to put one WSL in each machine,
and the corresponding configuration in your WSC ( with the | to
make tuxedo randomly choose one or the other) or spread your
native clients among all the machines.
And so, be carefull with the routing!
Ramón Gordillo
"Christina" <[email protected]> wrote:
>
I am looking for assistance in configuring Tuxedo to perform load balancing
across
multiple machines. I have successfully performed load balancing for a
service
across different servers hosted on one machine but not to another server
that's
hosted on a different machine.
Any assistance in this matter is greatly appreciated. -
Load balancing over multiple E3s
Hi all,
For the same VP , can I make load balancing over multiple E3s connected bet the BPX 8600 and MGX 8850.
Asking the question in another way:
Is there a possibility for load balancing over multiple LSPs (multiple E3 interfaces) in Cell-Mode MPLS...and if possible,plz provide me with any good links for configuration.Following link might be useful to you
http://www.cisco.com/univercd/cc/td/doc/product/wanbu/bpx8600/9_2/ref92/bpxrtag.htm -
Can I use two default route in a router
Hi
I have a router which have two isp line.
I want connected two differnt remote site by two isp line.
now i have one default and another static.
i can use two default route like this ?
0.0.0.0 0.0.0.0 201.222.103.x 0
0.0.0.0 0.0.0.0 201.221.102.y 1
Thanks
[email protected]hi
I feel you wanted to know if you have 2 default routes already in place and about the impact if you put network specific routes.
In this case you can have both the default routes in place in addition to the network specific static routes as i mentioned in my first mail.
Since the most specific route will be used the traffic destined to your remote networks will flow accordingly as per your ip route statements.
If your first link goes down the default route pointing the ISP-1 and the network sepcific route pointing the ISP-1 will go off and by default all the traffic will flow via the second interface which is connected to ISP-2 the behaviour is viceversa if your link to ISP-2 goes down.
By this you will be atleast having some kinda reachability in case of any issues with the corresponding ISPs which is being used to reach the remote network than getting totally disconnected from the remote sites.
regds -
How can ftp service on non-standard port be load balanced using Cisco ACE.
How can ftp service on non-standard port be load balanced using Cisco ACE.For example ftp service required on tcp 2000 port
Hi Samarjit,
you can do this by specifying the port number in the class map that you create . Please find the below mentioend config guide where you can specify the tcp/udp port , range or ports or even the wild card to match the port.
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/v3.00_A1/configuration/administration/guide/mapolcy.html#wp1318826
Regards
Abijith -
Load balancing using Hardware/Webcache??
Hi ,
I am using iAS 10.1.2.02.Please share some best practices of Failover and Load balancing using hardware or Oracle web cache?
Also what is most recommended by Oracle.
Regards,
NomanHi ,
I am using iAS 10.1.2.02.Please share some best practices of Failover and Load balancing using hardware or Oracle web cache?
Also what is most recommended by Oracle.
Regards,
Noman -
Load balancing with multiple clusters (HTTPProxyServlet)
Hello!
I'm newbie in Weblogic. I would like to have clustering and load balancing in
development environment. I've created 2 clusters, with one managed server each.
I've created a web application for deploying the http proxy servlet and put it
under another managed server without clustering. Below is my configuration:
managed server without cluster (as proxy) - Port 8002
admin server - Port 8001
cluster_1 - multicast address 237.0.0.11, multicast port 8004, cluster address
- t3://localhost:8006, t3://localhost:8007
cluster_2 - multicast address 237.0.0.10, multicast port 8014, cluster address
- t3://localhost:8006, t3://localhost:8007
managed_cluster1 - under cluster_1, port 8006
managed_cluster2 - under cluster_2, port 8007
in the web.xml of the proxy, i put the following parameters:
<param-name>WebLogicCluster</param-name>
<param-value>localhost:8006|localhost:8007</param-value>
However, when i send the requests to http://localhost:8002/sms, the requests always
go to the same server, for eg: managed_cluster2?
If i configure using single cluster, the load balancing will be in proper. What's
the cause fo the problem? and any solution?
Thanx in advance.
Regards,
joey
You have 2 options here Jordi, either you can use BGP loadbalancing, this requires multipath as BGP by default would only install one route from the BGP table to the RIB hence FIB.
But this may result in excessive IRL (inter rack link) usage in the cluster when traffic coming in on rack0 wants to take the bGP path out on rack1
You could also use ABF (access-list based forwarding) to forcelly push traffic received on rack0 out on the link on rack0 and use an ipsla tracker to fallback to rack1 in case the uplink is gone.
Alternatively to extend this by IGP signaling to redirect traffic preferably to rack1 to start with to minimize the IRL usage.
And then you also have the ability to use RPL in the uplink path to make one link more preferred on teh internet then the other in case you want to control a bit which link is preferably used on rack0 or rack1
regards
xander -
SA520 load balancing for multiple IPSec connections
Hello,
I just would like to ask whether the following is possible or what other people think might be the best way to go.
Let me describe the current setup:
Our company has a main office which is connected to the internet through an SA520W appliance, and two satellite offices which have other IPSec routers installed. The SA520W is currently only connected through the main WAN interface to a DSL line (DSL 16000). The tunnels are established and it all works quite well.
However, we have experienced lags and slow connections when someone transfers a larger file from the main office to the outside (either satellite office or, say, some FTP server on the internet). This is of course due to the limited upload capacity of the DSL line. Therefore, I am thinking about getting another DSL line for use as the optional WAN port of the SA520W.
My question is: Is it possible to establish two IPSec tunnels from a satellite office to the main office, one to the main WAN port and one to the optional WAN port of the SA520W? The two main hurdles I see with that is that a) the SA520W can only bind IPSec to one port and b) the network mask of each IPSec phase 2 needs to identify the subnet uniquely. Am I correct with the assumption that this cannot be done?
If so, the only way I can see right now is to bind all IPsec traffic to the optional port and have at least main office <-> internet traffic separated from all IPSec traffic. Or has anyone a better solution to this?
Thanks in advance,
RolandI honestly don't recall any issues with the load balancing. I've personally never seen an issue, opened a case for one or observed a problem in my lab using multiple T1 lines...
That's not to say there could be a problem. But as far as I know this aspect of the router is solid.
The only thing I strongly dislike about most modern DSL deployments, the ISP like to give out "residential" or "business" gateways. These things just make life terrible since it is a router/nat device.
-Tom
Please rate helpful posts -
Load Balancing using Virtual IP on DMZ interface of 5520 ASA
We want to achieve a load balancing scenario using Virtual IP on DMZ interface on a Cisco ASA 5520.
The IPs we are going to use on DMZ are 10.15.1.2 and 10.15.1.3
These IPs are going to be NATted to all inside IPs.
Lets say our outside IP is X.X.X.X
This IP points to 10.15.1.2 and 10.15.1.3 with .2 being the primary and .3 being the secondary.
When I hit the outside IP, it should point me to .2 and that .2 should take me to the inside IPs.
I need configuration assistance with that.Hi Pratik,
The ASA does not support having 1 global/translated IP address on the outside mapped to multiple local/real IP addresses on the DMZ. If it did, the ASA would have no way of deciding if traffic destined to X.X.X.X is really meant for 10.15.1.2 or 10.15.1.3. For this scenario, you should use a dedicated load balancer or a router that supports policy-based routing.
-Mike -
Firewall Load Balance using bridged mode ACE
Dear Folks,
I 'd like to load balance 2 ASA using 3 ACE [ Inside,outside,dmz network zone]
I 've seen sample configuration, all of them are running the ACE in the route mode, and asa are running in route mode
Would it be possible to run the ACE in the bridge Mode, because the ip subneted problem, We don't have enough to split,,
by the way if possible,All server that install behind ACE, what is default gateway should Server Point to [ in our case we have 2 independent firewall ] should I create the VIP for both firewall ? or should I just simply set the server's gateway to BVI interface, ?
Please Help ThanksThank you very much Gilles,
You 're the man. ;-)
Another question in my case I try to load balance 3 interface firewall [inside,outside,dmz] in order to make the packet return the same firewall it has passed earlier,
What kind of hashing technique do I need to use and Do i need to use mac sticky command ???
I tried to find some configuration sample from cisco website , but i only found with only 2 interface with ACE running source hash and destination hash in each ends,
Thank you very much -
2 load balancing process in one router ?
Dear,
Please I have case and I want your help for this case
Our enterprise company has 7 modems (adsl+sdsl)
we want to reach internet access continuty so we will do load balancing betwen this modems by router support feature of load balance
when I searched about this router I found multi wan router CISC0 RV 016
that support up to 7 modems load balanced together
but in reality I want to load balance between the first 3 modems to act as one modem to some users
and load balance between the other 4 modems to act as one modems for other users
(I mean I want one router act as 2 routers independent of each other each one do load balancing process)
So I want router support minmum 2 loadbalancing process
If CISCO RV 016 support this feature please tell me how?
and if not,please give me examples to another CISCO routers support this feature
I appreciate your reply
Thanks in advanceHi,
you can load-balance per IP prefix with PBR( not available on RV016 I think) but I'm not sure you can use multiple interfaces for a particular prefix with this method. I'll try to lab it up this evening and let you know.
Regards.
Alain -
7.10 installation server, load balancing and multiple installation servers
Hi
In the 7.10 GUI installation server, there is no Load balancing option anamore, also there seems to be no option to easily clone the installation server from within the nwsapsetupadmin.exe program.
If having MANY users at one location, and needing more than one installation server to accomodate the frontend installations, do you need to do this "manually" now ? grouping users and and the logon script directing different user groups to different sapgui installation servers ?
what about creating multiple installation servers easily, is it possible to simply copy the installation server directory (c:\sapinst f.ex.) to another file server, share the directory and configure the DS and IS services (if needed) ??
will configured packages and "on end install" scripts and such be copied too to the new installation server ?
I need to easily create installation servers in 15 countries, this is the reason for my question...Hi Kim Sonny,
hope you're doing fine
Regarding your question:
The "Load Balancing" was more a fail-over service and wasn't intended to use for several locations like in your case.
So the easiest way to do this is to setup one installation server and copy the files to the other servers. On the new Installation servers you only have to setup the service again and that's it.
Cheers,
Martin -
Load balancing over multiple NIC cards
Is it possible to setup some kind of load balancing at the OS level on a V240 running Solaris 8?
I've got all 4 NIC cards populated (2 each on different subnets with clients coming from both subnets and elsewhere) and I've like to setup some load balancing at the operating system to (dynamically) route the load across the most appropriate interface. Is this possible? I feel I should be getting more bang for my buck here, but I just cant find any info on what I'd like to do.
Thanks for the help.You can use IPMP in order to have load balancing for the outbound traffic. It's working fine, i have used it on many machines.
Now, if you want to trunk the throughput of your interfaces (for inbound and outbound traffic), you need to acquire sun trunking software. It can truncate up to 8 100Mbps interfaces, or up to 2 1Gbps interfaces. -
Dear All,
I need to built a scenario where i am using two ISP's for redundancy for my internal network and at the same time wants to load balance in such a way that my first packet going outside the network (using NAT) goes from first ISP's public ip address and second packet going outside the network (using NAT) goes from second ISP's public ip address.
Need your help
Thank YouHello
I tried to lab this up - I managed to use a first hop protocol (hrsp) to a redundant HRSP & NAT configuration - however I have tried GLBP and at present not been successful in getting it to work-
Here is what I got with HRSP:
--- R2
r1 ----- internet host 100.100.100.100
---- R3
R2
interface FastEthernet0/0
Description Link to LAN
ip address 10.1.123.252 255.255.255.0
ip nat inside
standby 123 ip 10.1.123.254
standby 123 priority 115
standby 123 preempt
standby 123 name HRSP1
standby 123 track FastEthernet0/1 50
interface FastEthernet0/1
Description Link to ISP1
ip address 1.1.1.2 255.255.255.0
ip nat outside
standby 234 ip 1.1.1.254
standby 234 priority 115
standby 234 preempt
standby 234 name HRSP2
standby 234 track FastEthernet0/0 50
ip route 100.100.100.100 255.255.255.255 FastEthernet0/1 1.1.1.4
ip nat inside source static 10.1.123.251 1.1.1.1 redundancy HRSP1
R3
interface FastEthernet0/0
Description Link to LAN
ip address 10.1.123.253 255.255.255.0
ip nat inside
standby 123 ip 10.1.123.254
standby 123 preempt
standby 123 name HRSP1
standby 123 track FastEthernet0/0
interface FastEthernet0/1
Description Link to ISP2
ip address 1.1.1.3 255.255.255.0
ip nat outside
standby 234 ip 1.1.1.254
standby 234 preempt
standby 234 name HRSP2
standby 234 track FastEthernet0/1 50
ip route 100.100.100.100 255.255.255.255 FastEthernet0/1 1.1.1.4
ip nat inside source static 10.1.123.251 1.1.1.1 redundancy HRSP1
R2#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 1.1.1.1:7 10.1.123.251:7 100.100.100.100:7 100.100.100.100:7
icmp 1.1.1.1:12 10.1.123.251:12 100.100.100.100:12 100.100.100.100:12
--- 1.1.1.1 10.1.123.251 --- ---
R2#sh standby brief
Interface Grp Pri P State Active Standby Virtual IP
Fa0/0 123 115 P Active local 10.1.123.253 10.1.123.254
Fa0/1 234 115 P Active local 1.1.1.3 1.1.1.254
R3#sh stan brief
Interface Grp Pri P State Active Standby Virtual IP
Fa0/0 123 100 P Standby 10.1.123.252 local 10.1.123.254
Fa0/1 234 100 P Standby 1.1.1.2 local 1.1.1.254
R3#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
--- 1.1.1.1 10.1.123.251 --- --
R2
int fa0/1
shut
R2#sh standby brief
Interface Grp Pri P State Active Standby Virtual IP
Fa0/0 123 65 P Standby 10.1.123.253 local 10.1.123.254
Fa0/1 234 115 P Init unknown unknown 1.1.1.254
R2#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
--- 1.1.1.1 10.1.123.251 --- ---
3#sh stan brief
|
Interface Grp Pri P State Active Standby Virtual IP
Fa0/0 123 100 P Active local 10.1.123.252 10.1.123.254
Fa0/1 234 100 P Active local unknown 1.1.1.254
R3#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 1.1.1.1:7 10.1.123.251:7 100.100.100.100:7 100.100.100.100:7
icmp 1.1.1.1:12 10.1.123.251:12 100.100.100.100:12 100.100.100.100:12
--- 1.1.1.1 10.1.123.251 --- ---
res
Paul -
Windows Load Balancing on Multiple VLAN?
Hi all. Just wondering if any of you having this same issue as I did. I've got NLB configured on 2 VM running on Hyper-V. Each of the VM equiped with 2 NIC. The NIC for heart beat purpose is configured
with Static MAC and with the option "Enable Spoofing for MAC Address" enabled. Another NIC is for LAN communication purose. Each of the NIC is reside on a different VLAN (VLANx and VLANy). After I've got the NLB configured,
with "unicast" mode. I've noticed I am not able to ping the NLB virtual IP address from any of the clients. Ping works between the NLB hosts, and is accessible. Once I've put all the NIC into the same VLAN, NLB works
fine; I can ping the NLB virtual IP, and test on IIS works good. My question, does NLB requires all the host to reside in the same VLAN? If NLB support mulitple VLAN, then how can I configure it to support multiple VLAN (eg: production LAN
NIC on VLANx, and heart beat NIC on VLANy)? Thank you.Hi,
It seems that we need to use Multicast mode.
Configure Network Load Balancing Cluster Operation Mode
http://technet.microsoft.com/en-us/library/cc731616.aspx
Hope this helps.
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