RE: IBM i Access for Web vs IBM Navigator for i

Dawn,

I ran the health network checker, no issues appeared.
Does this check for IPV6 issues, currently running only on our i-Series, not turned on anywhere else on our network?
I'm considering turning off, I'm still researching if needed for RPC. (RPCBIND)

Thanks
Paul

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Dawn May
Sent: Monday, November 04, 2013 9:55 PM
To: Midrange Systems Technical Discussion
Subject: Re: IBM i Access for Web vs IBM Navigator for i


There's a handy network health checker you can use to see if you have any networking issues. It quickly identified the DNS configuration issue I had on a test machine.

Read about it here -
http://ibmsystemsmag.blogs.com/i_can/2013/09/application-runtime-expert-network-health-checker.html

Dawn May



From: Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxx>,
Date: 11/04/2013 09:33 AM
Subject: Re: IBM i Access for Web vs IBM Navigator for i
Sent by: midrange-l-bounces@xxxxxxxxxxxx



Nevertheless, it's a reasonable question. If there is an attempt to communicate with IPV6, then significant CPU cycles may be expended to detect and communicate with the network. It's best to turn off IPV6 unless it is properly configured and in use. Remember the defaults are on, not off.

Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


On 11/3/2013 5:45 PM, Jack Callahan wrote:

Do all these systems have IPV6 configured properly? This sounds a lot

like

that problem. You don't notice it when all the IP you're doing is

telnet or

FTP, but when you start to use highly interactive web interfaces,

like

WebNav, missing IPV6 DNS server definitions KILL performance.

A bit presumptive of IBM to assume IPv6 is in use, if that's the cause
of the performance problem.

Haven't run across anywhere in IBM documentation the states IPv6 is
the preferred networking protocol for Navigator for i.

IPv6 certainly isn't in use on my firm's networks- still running IPv4
everywhere. And yet other web apps seem to run acceptably.
--

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