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| Problem | As I mentioned in a previous note, multiple network interface cards are not necessarily unsupported with WebSphere. Please read the following to understand what we do and don't support, and how to verify the customer's config is supported:
This is too vague:
Full support for mutiple network adapters on a single physical machine is not yet available for WebSphere Application Server.
And has been replaced with:
WebSphere Standard and Advanced tolerate the presence of more than one network on a single platform as long as the environment used to run WebSphere is configured such that the following conditions are met:
The primary hostname refers to the default - primary - network interface
The Domain Name Server's response to a query of the platform's hostname returns the address of the primary network interface
The IP for the platform resolves to the hostname and vice versa for both formats of hostname: fully qualified and not fully qualified.
Here is a good example of a multi-network interface card NT platform that conforms to the above:
d:\work>ipconfig
Windows NT IP Configuration
Ethernet adapter ND53004:
IP Address. . . . . . . . . : 208.180.235.122 (Primary IP)
Subnet Mask . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . : 208.180.235.1
Ethernet adapter NdisWan3:
IP Address. . . . . . . . . : 129.17.33.12
Subnet Mask . . . . . . . . : 255.255.254.0
Default Gateway . . . . . . : 129.17.32.1
d:\work>nslookup 208.180.235.122
Server: rose.tyler.net
Address: 205.218.118.1
Name: cdm-235-122-pflu.cox-internet.com (Resolves to hostname)
Address: 208.180.235.122
d:\work>hostname
cdm-235-122-pflu (hostname is set correctly)
d:\work>nslookup cdm-235-122-pflu (and resolves to the same)
Server: rose.tyler.net
Address: 205.218.118.1
Name: cdm-235-122-pflu.cox-internet.com
Address: 208.180.235.122 (IP when NOT fully qualified)
d:\work>nslookup cdm-235-122-pflu.cox-internet.com (also resolves to the same)
Server: rose.tyler.net
Address: 205.218.118.1
Name: cdm-235-122-pflu.cox-internet.com
Address: 208.180.235.122 (IP when fully qualified)
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Product categories: Software, Application Servers, Distributed Application & Web Servers, WebSphere Application Server, Servlet Engine/Web Container Operating system(s): Multi-Platform Software version: 3.0, 3.0.1, 3.0.2, 3.0.2.1, 3.0.2.2, 3.5, 3.5.1, 3.5.2 Software edition: Standard, Advanced Reference #: 1006570 IBM Group: Software Group Modified date: 2001-03-21
(C) Copyright IBM Corporation 2000, 2004. All Rights Reserved.
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