1) It can be avoided. The scenario is a bit complex but that can be done without downtime
2) yes, as far as I know
3) You dont have to. We do not. But the 2 IP do not have DSN entry. They can still be access directly. This is not an issu for us
4) For this, I would refer you to the documentation on the info center.
Denis Robitaille
Chef de service TI
Cascades Centre des technologies,
une division de Cascades Canada ULC
412 Marie Victorin
Kingsey falls(Québec) Canada J0A 1B0
T : 819 363 6130
Pour toute information sur les événements techniques, veuillez consulter notre calendrier Groupwise CAS_CALENDRIER_TI
Vikhyath Kamath <vikyat_kaamath@xxxxxxxxx> 2013-10-01 11:37 >>>
couple of questions.
1) I guess we would need downtime for this?
2) As most of our systems have 2 LAN adaptors, can the adaptor used for HA(ITERA) have two IPs.
3) I guess we need to block users from accessing two IPs setup on the physical adaptors. (using Firewall).
4) Do you know how Virtual IP routes traffic to the two IPs? Can we select the priority where more traffic goes?
Regards.
From: Denis Robitaille <denis_robitaille@xxxxxxxxxxxx>
To: "midrange-l@xxxxxxxxxxxx" <midrange-l@xxxxxxxxxxxx>
Sent: Tuesday, October 1, 2013 8:17 PM
Subject: Rép. : Setting IP redunduncay in AS/400
We do this using "proxy ARP"
First create the 2 actual interface:
ADDTCPIFC INTNETADR('x.x.x.x') LIND(LINETH01) SUBNETMASK('x.x.x.x') LCLIFC(‘y.y.y.y’)
ADDTCPIFC INTNETADR('x.x.x.x') LIND(LINETH02) SUBNETMASK('x.x.x.x') LCLIFC(‘y.y.y.y’)
Then create the virtual IP adress (this is the one that will get used by users ans linked to your DNS):
ADDTCPIFC INTNETADR('y.y.y.y') LIND(*VIRTUALIP) SUBNETMASK('255.255.255.255')
Then you activate the proxy ARP using the navigator:
- You go to Network/TCPIP configuration/IPv4/Interface
- right click on the virtual interface and select Properties
- selcect Advanced
- Activate the proxy ARP protocol (the interface must be varied off to be able to do this)
Finnaly, you must link the physical interface with the virtual one:
- You go to Network/TCPIP configuration/IPv4/Interface
- right click on the virtual interface and select Properties
- selcect Advanced
- Choose among the available inetrface and add them to prefered
The wording may not be exact (our systems are in french) but those are the main steps
Denis Robitaille
Chef de service TI
Cascades Centre des technologies,
une division de Cascades Canada ULC
412 Marie Victorin
Kingsey falls(Québec) Canada J0A 1B0
T : 819 363 6130
Pour toute information sur les événements techniques, veuillez consulter notre calendrier Groupwise CAS_CALENDRIER_TI
Vikhyath Kamath <vikyat_kaamath@xxxxxxxxx> 2013-10-01 09:22 >>>
Hi,
We have 5 LPARs on each of our servers. Recently we faced an issue where the LAN adaptor of iseries system failed and we had a five hour outage.
I was considering if we could have IP redundency - so that each LPAR would have 2 IPs pointing one IP which the user access. So if one IP fails, there is a fail-over to the other IP. Could some please guide how this is done in AS/400 system?
Thanks and Regards,
Vik.
midrange.com
