load-sharing To locate documentation of other commands that appear in this section, search online using Cisco.com. source-ip address ip The GTP request idle timer is set to 15 seconds. Figure4-19 Two Distributed Sites with One Web Server Each. In this configuration: The GSN idle timer is set to 20 seconds. - Azure Load Balancer is zone-redundant, ensuring high availability across Availability Zones. All packets intended for a certain host pair are routed over the same link (or links). Cisco Express Forwarding is enabled by default on most Cisco platforms running Cisco IOS software Release 12.0 or later. --label switched path. http://www.cisco.com/cisco/web/support/index.html. Figure4-9 shows a sample configuration with IOSSLB real server connections configured as part of a server farm, focusing on the configuration of the NAT server and address pool of clients. Configure WAN Load Balancing. In the following sample configuration, the client is configured to send a Domain Name System (DNS) query abcd.com to the GSS. ip load-balancing algorithm for IPv4. http://www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a0080950834.shtml. [src-port enable, 2. cef [gtp-teid The router uses the FIB lookup table to make destination-based switching decisions during Cisco Express Forwarding operation. show For platforms that switch traffic using a hardware forwarding engine, the hardware load-balancing decision might be different from the software load-balancing decision for the same traffic stream. the two are connected to a single router (DSU/CSU). I implemented a project for a customer which might provide a model for something that you might consider. To access Cisco Feature Navigator, go to Forwarding Use the ipv6 cef load-sharing Selects a Cisco Express Forwarding load-balancing algorithm. exact-route To load-balance sessions running in connectionless WSP, connectionless secure WSP, and connection-oriented secure WSP modes, define a ping or WSP probe and use standard UDP load balancing with a low idle timer. In Figure4-15, the IOSSLB device includes two Supervisor engines configured for stateful backup. Figure 4-6 shows an example of configuring an OSPF router to load balance across six equal-cost paths. Following are the IOSSLB configuration statements for the configuration shown in Figure4-25: Figure4-26 shows a typical IOSSLB RADIUS load-balancing configuration for a CDMA2000 network with Mobile IP service. IPv4. There are several different ways in which you can configure IOSSLB stateless backup. type - edited This table lists only the software release that introduced support for a given feature in a given software release train. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. If so load balancing is easy. The virtual template address of GGSN1 is 192.168.1.1. In this configuration: VPN flows are balanced between real servers 20.20.20.10 and 20.20.20.20. Table 1Feature Information for Configuring a Load-Balancing Scheme for Cisco Express Forwarding Traffic, Configuring Basic Cisco Express Forwarding, Customizing the Display of CEF Event Trace Messages, Prerequisites for a Load-Balancing Scheme, Information About a Load-Balancing Scheme, Cisco Platform Support for Central CEF and dCEF, Restrictions for GTP-U TEID-Based ECMP Load-Balancing Algorithm, Enabling the GTP-U TEID Load-Balancing Algorithm, Enabling or Disabling Per-Destination Load Balancing, Selecting a Tunnel Load-Balancing Algorithm, Selecting an Include-Ports Layer 4 Load-Balancing Algorithm, Configuration Examples for a Load-Balancing Scheme, Example Enabling or Disabling Per-Destination Load Balancing, Example Configuring Per-Packet Load Balancing, Example Selecting a Tunnel Load-Balancing Algorithm, Example Selecting an Include-Ports Layer 4 Load-Balancing Algorithm, Feature Information for a Load-Balancing Scheme. Following are the IOSSLB configuration statements for the configuration shown in Figure4-23: This section contains the following examples, illustrating several different IOSSLB RADIUS load-balancing configurations: Example: How to Configure IOSSLB with RADIUS Load Balancing for a Simple IP CDMA2000 Network, Example: How to Configure IOSSLB with RADIUS Load Balancing for a Mobile IP CDMA2000 Network, Example: How to Configure IOSSLB with RADIUS Load Balancing for Multiple Service Gateway Farms, Example: How to Configure IOSSLB with RADIUS Load Balancing Maps, Example: How to Configure IOSSLB with RADIUS Load Balancing Accelerated Data Plane Forwarding. www.cisco.com/go/cfn. To enable route lookup, you must configure each device with the IP address of each firewall that will route flows to that device. RIB Figure4-2 shows a sample IOSSLB firewall load-balancing network with the following components: Two firewalls with IP addresses as shown, An internal firewall load-balancing device on the secure side of the firewalls, An external firewall load-balancing device on the Internet side of the firewalls, One firewall farm named FIRE1, containing both firewalls, Figure4-2 IOSSLB with Layer 3 Firewalls in Different Subnets. While HSRP offers faster failover times, routing converges quickly enough for most configurations. teid] command to display the exact route of GTP-U TEID for configure Learn more about how Cisco is using Inclusive Language. Following are the configuration statements for the configuration shown in Figure4-22: For more detailed GGSN configuration examples, refer to the CiscoIOS Mobile Wireless Configuration Guide. There is a sticky connection between the ESP virtual server and the UDP virtual server. The client (or access router), routes to the virtual IP address (10.10.10.12) through 10.10.2.100, HSRP address on the client side. A router load balancing on a per-destination basis uses the parallel routes in a round-robin fashion, but forwards an entire destination-based flow in each pass. http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a00800945bf.shtml#conf4. The cost of an interface is inversely proportional to its bandwidth. Following are the IOSSLB configuration statements for the configuration shown in Figure4-30: 2022 Cisco and/or its affiliates. cef However, for GTP traffic, the presence of limited number of unique values for these fields restricts the equal distribution of traffic load on the tunnel. (the 2811 would have 2 10/100 FastEthernet interfaces while the 2821 LAN interfaces are capable of 10/100/1000). Customers Also Viewed These Support Documents. Overview of the Cisco Express Forwarding feature, Tasks for verifying basic Cisco Express Forwarding and distributed Cisco Express Forwarding operation, Configuring Basic Cisco Express Forwarding for Improved Performance, Scalability, and Resiliency in Dynamic Networks, Tasks for enabling or disabling Cisco Express Forwarding or distributed Cisco Express Forwarding, Enabling or Disabling Cisco Express Forwarding or Distributed Cisco Express Forwarding to Customize Switching and Forwarding for Dynamic Network, Tasks for configuring Cisco Express Forwarding consistency checkers, Configuring Cisco Express Forwarding Consistency Checkers for Route Processors and Line Cards, Tasks for configuring epochs for Cisco Express Forwarding tables, Configuring Epochs to Clear and Rebuild Cisco Express Forwarding and Adjacency Tables, Tasks for configuring and verifying Cisco Express Forwarding network accounting, Configuring Cisco Express Forwarding Network Accounting, Tasks for customizing the display of recorded Cisco Express Forwarding events, Customizing the Display of Recorded Cisco Express Forwarding Events, Explanation of and troubleshooting information for the Cisco IOS software implementation of Layer 3 load balancing across multiple parallel links when Cisco Express Forwarding is used, Troubleshooting Load Balancing Over Parallel Links Using Cisco Express Forwarding. cef VL105, VL106, VL107, and VL108 are VLANs. teid] command to display the exact route of GTP-U TEID for If Cisco Express Forwarding is not enabled on your platform, use the ip cefcommand to enable (central) Cisco Express Forwarding or the ip cef distributed command to enable distributed Cisco Express Forwarding. The virtual template address of GGSN2 is 192.168.2.2. As shown in the following sample configuration, the example topology has three public web servers and two restricted web servers for privileged clients in subnet 10.4.4.0. What does IP CEF mean? The GTP-U TEID-Based ECMP Load-Balancing Algorithm feature adds support for: The following restrictions apply to the GTP-U This configuration allows replication messages to flow despite an interface failure. FIB The differences between the configurations depend on the networking capabilities of your load balancing devices, and on the capabilities of the distribution devices that direct client traffic to those load balancing devices. 03-04-2019 Azure Load Balancer is a high-performance, ultra low-latency Layer 4 load-balancing service (inbound and outbound) for all UDP and TCP protocols. [ gtp-teid Figure4-15 IOSSLB with Redundant Route Processors. If a router is connected on two T1s, and if those T1s terminate on the same remote router, and if there are routes pointing at both T1s (might be static routes or might be a dynamic routing protocol) then yes the router will default to load balancing over those T1s. Depending on where you obtain your address space, running BGP to both providers might work, but if your address space is obtained from one of the providers then advertising that address space to the other provider may be difficult. Figure4-7 IOSSLB with a Routed Ping Probe. I wonder if there is some context to your question which is not obvious to us. If IOSSLB cannot match any of the other server farm maps, and a default server farm is configured, IOSSLB sends the RADIUS request to the default serverfarm. What Rick was saying is that you would need the remote end(provider) to have both T-1's terminate in the same router. -D-Link DI-LB604 Load Balancing Router 4 ports, 2 WAN 1 pc in stock Original Price - 4,500php Sell Price - 500php-D-Link DES-1008D 8 ports 1pc in stock Original Price - 4,500php In this configuration: IOSSLB can balance GPRS flows across multiple real GGSNs. Enabling per-packet load balancing allows you to use alternate paths to the same busy destination. Server farm farm6 is configured without an associated map, and therefore acts as a default server farm. Following are the IOSSLB configuration statements for the configuration shown in Figure4-5: This section contains the following examples, illustrating several different IOSSLB probe configurations: Example: How to Configure IOSSLB with Ping and HTTP Probes, Example: How to Configure IOSSLB with Routed Probe. The IP address for Subnet 3 is 10.10.3.0, with a subnet mask of 255.255.255.0. In this example: WAP flows are balanced between WAP gateways 10.10.2.1, 10.10.2.2, and 10.10.2.3. Because the routing configuration varies from protocol to protocol, sample configurations for several different routing protocols are given. How can I do load balancing so that half of my traffic go through one ISP and the remaining go via the other ISP? address [src-port The Cisco RV320 supports two connections to one service provider, delivering high performance by using load balancing, or to two different providers to deliver business continuity. Note To allow HSRP to function properly, the set spantree portfast command must be configured on any Layer2 device between the IOSSLB switches. Cisco Express Forwarding Cisco Express Forwarding (CEF) is a packet-switching technique that is the default for most of Cisco routing platforms. Reply to Seller . The slashes after the slotargument and port-adapterargument are required. Cisco Enterprise Routers Cisco 3925, Cisco 2911 Enterprise Routers, Cisco 4431 Enterprise Routers, Cisco . www.cisco.com/go/cfn. --A Layer 3 switching technology. The following sample configuration enables IOSSLB to support multiple server farms behind a GPRS load balancing virtual server, using access point names (APNs) to select server farms. To use per-destination load balancing, you do not perform any additional tasks once Cisco Express Forwarding is enabled. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the feature information table at the end of this module. Example: How to Configure IOSSLB with GPRS Load Balancing Without GTP Cause Code Inspection, Example: How to Configure IOSSLB with GPRS Load Balancing Maps, Example: How to Configure IOSSLB with Dual-Stack Addresses for GTP Load Balancing, Example: How to Configure IOSSLB with RADIUS Load Balancing for a GPRS Network. 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Device includes two Supervisor engines configured for stateful backup Cisco is using Inclusive Language the following sample configuration, client.
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