Questions tagged [load-balancing]

For questions about load balancing network devices. For instance, you are setting up a port-channel with load-balancing or you want to load balance between two firewalls.

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Sophos XG Virtual Host Load Balancing

I own a Sophos XG cluster (v18) and I need to balance http/https traffic at lvl 7, by virtual host, among different servers. To be clear: I need to balance the vhost www.example1.com between 2 servers ...
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2 answers
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How does ECMP load balancing work after recovery from a failure?

In an ECMP path (consider 2 path ECMP - path1 and path2), if one of the path (say path-1) goes down, all the flows will be mapped the remaining one path (say path2). Now, after a while, if the path1 ...
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Is removing cookies based on hostname on f5 LTM using irules or policy possible?

So this is one of those single vs with multiple pools all done by irules but we are using cookie persistence profile on the vs. Can we remove the extra cookies or maybe just leave the bigip cookie and ...
2 votes
1 answer
310 views

With regards to Juniper Networks , how does 'targeted-distribution' knob works?

Can someone please explain how does the knob 'targeted-distribution' works in Juniper MX routers. We created aggregated Ethernet (AE) links on our Juniper MX router acting as BNG. However , after ...
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2 answers
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what happend when inbound traffics over the limit of bandwidth? [closed]

Sorry for my English. Let's say there is a chat server in AWS and it has bandwidth limit like 5Gbps. Someday, massive user comes and it spikes a lot of traffic in a second and finally it overs 5Gbps ...
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3 answers
403 views

Site-to-site IPSec tunnel over Load balancer

I'm having a following topology Could this be achieved? I've configured this network, but routing between the two VLAN-s are not working. Using Ubiquity Edge X routers. Could this be archived with ...
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1 answer
53 views

Reccomended set up for wifi in dense apartment block? [closed]

I live in an apartment block of 87 units & one thing most people in it complain about is the poor cellular data reception. I have an idea of installing a fast wifi internet connection ...
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1 answer
842 views

How to combine multiple ADSL lines?

Before beginning, I'm totally new to advanced network topics and not working as a professional network engineer or so. Just trying to learn some stuff. My problem is, I have 3 different ADSL (or VDSL)...
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1 answer
101 views

Design of 2 Lans Connected to a Watchguard m570 firewall

I have this architecture (without the firewall). I bought a Watchguard M570 as Firewall to add it in my network. My Question is : Could i use my watchguard and connect this one to my 2 LoadBlancers ...
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2 votes
1 answer
124 views

What is a meaning of Load balancing Hash

What does Load balancing Hash mean in CEF? Which commands are use to configure? Is it support to other vendors except Cisco? If it is not support other vendors? do they have any similar concept? Which ...
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8 votes
2 answers
2k views

OSPF increase bandwidth with load-balancing

This is my current setup where i have 40Gbps links between all 4 switches running OSPF using L3 links between them but now i want to double my bandwidth between switches so i am planning to add (...
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Load Balancing without connecting to a server

I am having trouble verifying load balancing on fortigate 501e v6.0. I do not have a server to connect to but I tried creating a Virtual Server via the GUI and ping the external port. But when I enter ...
4 votes
3 answers
309 views

Native IPv6 load balancing

We have two software gateways (on Linux) for IPv6 that take fullviews from ISPs and announce our AS. And several nodes connected to Internet via the gateways. Something like at picture: And we ...
1 vote
1 answer
430 views

VMware Ethernet connection to two different switches that are linked together - What can result? [closed]

I have a client that someone in the past setup two NICs on the server to be active on vSwitch0. vSwitch0 has load balancing set for Route based on originating virtual port. Switches are D-Link DGS-...
5 votes
1 answer
218 views

PP BGP Load Balancing with JUNOS

So we've got a couple of BGP upstream providers, whom both are providing us with their full internet routing tables. What we are now wanting to do, is utilize both providers, rather than just one ...
2 votes
1 answer
1k views

Load-balancing one VPN-connection over multiple WANs

My internet connection will be provided by 4 different WANs (each 250 Mbit down, 100 Mbit up), which should be load-balanced to one 1 Gbit connection (full duplex, most likely ethernet (should be ...
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993 views

F5 backup whole bigIP configuration and save UCS

I'm trying to export my current F5 bigIP configuration into a file and later create a replica of the same bigIP with that configuration. This reference mentioned following this: Create the UCS ...
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1 vote
1 answer
154 views

Network routing/WAN failover

Hi any one recommend me WAN Fail-over in Cisco 2811 router in virtual interfaces I already try this configuration. but its not working ip route 0.0.0.0 0.0.0.0 192.168.86.1 ip route 0.0.0.0 0.0.0....
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Client drops packet from server when SNAT is not enabled at Load Balancer

I understand that one reason we use SNAT on a load balancer for incoming requests is so that the response packet from server will go through the load balancer, where the source IP of returning packet ...
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825 views

pfsense Server Load-balancing on LAN Interface [closed]

I am trying to load balance a couple of web servers from the LAN side as I don't need access from the WAN so that clients on the LAN can access these web servers: LAN IP is 192.168.10.1 I created a ...
1 vote
1 answer
866 views

Will Nexus load-balance method "src-dst-port" help balance link usage between two servers on same subnet?

I'm sending data on multiple ports evenly, but only receiving data on two ports at my receiver. Both servers (on the same tcp subnet) are connected to pair of Nexus 7K switches (I believe they are ...
3 votes
2 answers
1k views

load balancing with multiple ISP, one router and asa 5520

I connected different two ISPs to the RV340 with dual WAN support. I want to connect the ISP - Router - ASA in the normal way, and connect the L2 Switch after the ASA. I need to know how to do DHCP ...
0 votes
1 answer
842 views

Load balancing between two routers [closed]

I have the following network: On LAN A, I have several hosts connected with two routers to LAN B. My goal is to use R1 and R2 to route traffic to LAN B/R3. For that, there are two solutions: 50% of ...
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3 votes
2 answers
266 views

Creating bandwidth with multiple WAN and LAN ports

I have a network with roughly 50 machines all on one LAN, consisting of Linux, Windows, and server machines. I have an untangled u150 firewall/router. I have the ability to add an additional WAN &...
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2 votes
1 answer
80 views

What is the preferred way to prevent a particular subnet from being sent to one ASN

I have the following network. I want to prevent Subnet 2, S2, from being routed outbound of ISPA (preferring ISPC is also acceptable). None of my ISPs use BGP communities. Given that this is a live ...
8 votes
2 answers
4k views

Single Public IP Address for multiple physical locations

Is it possible to get or set up a public IP address that is load-balanced between multiple physical locations or sites? It may be something like a virtual IP address (VIP), which points to multiple IP ...
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756 views

Traceroute inside a per packet load balancing based infrastructure

Could you confirm that in an infrastructure configured with "per packet" load balancing on the Routers (same route same metric), the usage of traceroute become unusable ? In this case the ...
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1 vote
1 answer
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Can I tie together two cellular connections for more reliable upload speeds?

I don't know that much about network engineering (hence why I'm here) so please bear with me, or point me to somewhere else where I can get help. I want to be able to broadcast a high quality video ...
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1 answer
456 views

Veritas BackupExec 16 NIC Teaming and network performance boost [closed]

We are using Backup Exec 16 for backing up couple of physical servers and approx 60 VMs running on vmware esxi 6.0. Backup server itself is running on physical box Windows 2012 R2 and has got 2x 10 ...
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3 votes
1 answer
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Juniper SRX BGP based ECMP not working as expected

Overview I am trying to setup BGP based ECMP to two end servers that sit on separate subnets/VLANs and advertise out the same IP address to a SRX firewall. The end nodes are linux boxes running BIRD ...
4 votes
2 answers
270 views

How do you account for unreliable ISPs?

I maintain internet for a small business in a developing country, and I am forever struggling with unreliable service from our ISPs. Our current setup uses a Peplink Balance 580 for load balancing, ...
0 votes
1 answer
176 views

what is a load balancer predictor [closed]

I understand what a load balancer is but I am not able to understand what a load balancer predictor. Can anyone please point me to some resource or wiki to undrstand this?
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1 answer
59 views

Route protocol based on network load

I am in search of a network protocol recommendation for the following scenario: I would like to have a load balance routing protocol that can alter the cost of a router based on its current load. eg:...
1 vote
1 answer
91 views

How can use Load balancing?

if we do not configure HSRP or another protocol ,How data will flood if there is redundancy ? please help me I need some explain about load balancing
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2 answers
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Load balancer features - load compensation

I was researching network load balancer features recently and I couldn't find a certain feature. I believe I heard some years ago about a network load balancer feature (don't remember any feature ...
2 votes
1 answer
909 views

Unbalanced port-channel utilization

I have below setup: +------------------+ vPC +------------------+ | | | | | NX5K-SW01 +-----------------------+ ...
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1 vote
1 answer
170 views

Multiple uplinks in multiple locations

Our school just received a bunch of hardware from a corporation leaving a location, so now we are upgrading our networking in four classrooms. The rooms have fiber connections to each other. The ...
1 vote
1 answer
142 views

Conflicting of MAC addresses in reply path of direct server response

Consider we are using 1.1.1.1 as our VIP which is the IP address of the load balancer. I'm aware that I should disable ARP replies on loop back interfaces of back end servers. However another issue ...
1 vote
1 answer
114 views

Etherchannel configuration!

I´m trying to test this etherchannel configuration but did´t work properly. The goal is: I want to entablish a L2 communication channel between A and B, but i neet to put on the middle 2 equipments ...
1 vote
1 answer
481 views

NAT Load Balancing

Hi I´m having problems with telnet through NAT Load Balancing. Always return when i try to do telnet 192.168.192.100 80: Destination unreachable; gateway or host down ROUTER NAT config: Current ...
1 vote
1 answer
262 views

Is dual WAN load balancing possible for traffic to/from a webserver

We are currently hosting our website onsite and are maxing out the up and down speeds of the 50/5 mbps bandwidth provided by our ISP. They can not offer us a higher bandwidth connection but they can ...
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10 votes
3 answers
4k views

Why is there no "round robin" option for lacp (at least on my switches)?

I am trying to increase bandwidth for particular hosts by using lacp on a Cisco Catalyst 4500 switch. However, it seems that I will always end up with the same flow (src/dst mac, ip, and port) being ...
3 votes
1 answer
2k views

Using ECMP for switching in Layer 2

Equal-cost multi-path (ECMP) is a routing strategy that gives several benefits such as load balancing (as far as I know it is mostly implemented in routers). Suppose there exists a set of switches, ...
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1 answer
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Access load-balanced website when DNS lookup is restricted on server [closed]

The scenario is - I need to send push notification to Apple push server hosted at gateway.sandbox.push.apple.com. This Apple server is load balanced and the destination IP address can be anything in ...
1 vote
2 answers
347 views

Apparently variance is not working for EIGRP ..what am I missing?

Here is what my router is reporting. I set the variance to 100 just to see what is going on. This is using classic configuration and the RD for the two alternate links is 537600. If I multiply the FS (...
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2 answers
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Why does object tracking with GLBP need a weight range?

So when enabling object tracking on an AVF for an ISP uplink (for example), while running GLBP on another interface of the router, we specify a weight range and tell the AVF that if object loses its ...
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2 votes
1 answer
99 views

Load balancing across 2 Multi-link frame relay links- Verizon being difficult

We are provisioning a 4xT1 and a separate 3xT1 links to the same 2901 router with 4x VWIC3 - 2MFT T1 cards. Verizon claims they cannot bond all 7 into a 7xT1 and have thus provisioned us these 2 ...
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3 votes
2 answers
6k views

What's the difference between interdomain and intradomain load balancing?

So I read that when a router knows two paths with equal cost to a destination it can perform load balancing. This load balancing occurs interdomain or intradomain. I can't undestand that because I ...
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2 votes
2 answers
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vyos, wan load balancing with one static and one pppoe connection

I have two ISPs, one static and one PPPoE. I use VyOS. I did the configuration with two static IP providers but when it comes to PPPoE I don't know what to write as the next hop for the interface ...
2 votes
1 answer
2k views

Load balancing between multiple layer 3 switches

I have two trunked L3 switches forming a network backbone. One is an old HP2848 and the other is a new Juniper EX3300. Currently only the EX3300 connects to our WAN Router and is trunked via 4 LACP ...