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Author Topic: What are hardware levels of an avaya switch?  (Read 2576 times)

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Offline B1545

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What are hardware levels of an avaya switch?
« on: June 04, 2015, 06:22:27 AM »
Im not able to release old IST address from vsp 7k(10.3.2) 2-stack switches connected by MLT/IST. After removing all the information the IP is still pingable. Does the conflict here comes because of hardlware and software level compatibility issues?


Offline Dominik

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Re: What are hardware levels of an avaya switch?
« Reply #1 on: June 04, 2015, 06:47:16 AM »
How did you try to release the old IST address ?
I would recommand to diable the IST session, delete the IP Adresses of the Interface and the old unsued IST VLAN.

The IST has no IP adresses you only have 2 IPs wich are used to syncronize the IST. So this is an normal IP interface on wich you run the IST session.

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Offline Johan Witters

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Re: What are hardware levels of an avaya switch?
« Reply #2 on: June 04, 2015, 06:52:20 AM »
Hardware level is an indicator to id devices which are different regarding to components used internally, eg when a different condensator is used etc..

In most cases it has no effect on the software, but you should always check the release notes to be sure.. sometimes a software release requires a mininum HW level x due to increased memory etc.
Kind regards,

Johan Witters

Network Engineer
BKM NV

Offline B1545

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Re: What are hardware levels of an avaya switch?
« Reply #3 on: June 05, 2015, 01:37:33 AM »
Dominik: Thank you so much for your kind reply.

I tried to release old address this way :
INT FA ALL
SHUT
INT MLT A
NO IST ENABLE
NO IST VLAN
NO IST PEER
INT VLAN NO IST PEER
INT VLAN Y
NO IP ADD R.R.R.R M.M.M.M
VLAN DELETE Y
MLT A

But when I try to ping the IP I assigned to the IST peer, it is pingable. Do I have to leave IST ports up?

Offline B1545

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Re: What are hardware levels of an avaya switch?
« Reply #4 on: June 05, 2015, 01:40:58 AM »
Johan : Thank you so much for your kind reply.

Noted :) I'll check the release notes for it :) By your reply I understand that hardware levels donot have anything to do with the IP's assigned. They take care of the software image /memory etc?

Offline Johan Witters

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Re: What are hardware levels of an avaya switch?
« Reply #5 on: June 05, 2015, 03:34:39 AM »
Correct, the HW level does normally not have an impact on the capabilities of the machine to run certain features from the installed release.. The HW level however can limit the choise of releases that can be run on a switch (eg HW17 has a minimal software release 5.2.3, not below and no downgrade to earlier releases). I can also cause technical problems, but mainly on the hardware level. If I remember correctly the ERS3500 series had an issue with HW02 where the PoE module was not always delivering power to all ports..

Regarding your IST problem, it looks like some kind of bug if the ip is still active after you deleted everything. If you run "show ip interface", does the vlan/ip still show? Do you have the possibility to physically unplug the cables on which the IST was configured? Also, if something still is locked in the system, it might be necessary to reboot the boxes
Kind regards,

Johan Witters

Network Engineer
BKM NV