Add a Loopback Interface on Windows Server 2000.įollow the instructions below to first add a loopback interface and then configure a VIP in Windows Server 2000:ġ. Then, configure the VIP of the loopback interface by following the instructions in the Configure the VIP of the Loopback Interface section. Follow the instructions for the relevant version of Windows below to add the loopback adapter. However, to use the loopback address, the loopback adapter needs to be added first. 1.arp_announce=2 3 DSR Configuration on Windowsįor Windows, it is typically best to use the loopback address. The next step is to disable invalid ARP replies. Steps on how to do this vary from distribution to distribution. To set this permanently, some Linux configuration files need to be edited. If the machine reboots, this configuration will no longer be available. To create an additional loopback interface with an IP alias, use the "ifconfig" command like $ ifconfig lo:1 broadcast 195.30.70.200 netmask $ ifconfig lo:1 Lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:3924 Metric:1 RX packets:3985923Įrrors:0 dropped:0 overruns:0 frame:0 TX packets:3985923 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 Packets:97174301 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 Interrupt:10 Base address:0x4000 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:96561817 errors:526 dropped:0 overruns:5 frame:0 TX The table below shows an example of DSR steps.Ģ Configuring a VIP on the loopback interface on Linux The Real Server will then reply to the IP address of the requesting client with the source IP address of the reply set to the VIP. The Real Server accepts requests for the VIP destination address because it has configured the VIP as an IP alias. This means that the LoadMaster just routes the packets from a client to a Real Server without modifying the IP addresses. When you create the Virtual Service, enable Force L4 in Standard Options and select Direct return as the Forwarding method when adding the Real Server. Refer to the Configuring a VIP on the loopback interface on Linux and DSR Configuration on Windows sections for detailed steps on how to do this in both operating systems. On Windows this involves creating a loopback adapter with specific configuration parameters. If the particular traffic profile for a site is for every packet in, eight packets are sent out, this would result in the LoadMaster handling around 87% less traffic than it would without DSR.įor DSR to work, the Virtual IP (VIP) address on a Real Server must be configured so that the server does not respond to ARP requests on the VIP address.įor Linux with a recent 2.4 kernel, this can be done by creating the VIP as an IP alias on the loopback interface. The servers respond directly to the clients, bypassing the LoadMaster on the way out. The primary advantage of DSR is that the LoadMaster only handles a portion of the work associated with load balancing, specifically the inbound traffic. I will be grateful for all the help.Direct Server Return (DSR) is a method whereby traffic hits the LoadMaster on the way in and bypasses the LoadMaster on the way out. I have installed the MS Loopback adapter, but is no change in the results. See installation guides for more details regarding the installation of software on DHCP configured computer. Oracle supports installation on computers with DHCP assigned IP, but you should configure the MS Loopback adapter as the primary network adapter in the computer. Problem found that the IP of the computer is assigned is DHCP. Physical memory expectation is 256 MB and result was 1406 MB. Please install the recommended service pack. Service pack checking result is not executed. Recommendation – Please confirm you are installing the application on the correct platform. Oracle database 10 G does not have certificate on this OS. I have downloaded the 10.2.0.3 version but I cannot install it because an error is occurring.Įxpected result is one from 5.0, 5.1, 5.2, 6.0. I am looking for help to install Oracle 10 G on Windows 7.
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