To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] MAC OSX Duplicate IP's
Just finally got around to catching up on the Listserv.
Shane, have you found a resolution to this issue?
The default ARP timers on Cisco 6500 are actually 14400 seconds(4 hours).
The default MAC address timers
DU
Subject: Re: [WIRELESS-LAN] MAC OSX Duplicate IP's
Hello Bruce,
Thanks for the info. I read the info about the ARP Caching in FlexConnect mode
and didn't never enabled it due to some issues others were having before we set
everything up in September 2016. The second link was the bug on th
Shayne
-Original Message-
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Bruce Curtis
Sent: Tuesday, February 28, 2017 11:28 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] MAC OSX Duplicate IP's
Are your APs in Flexconnect mode and if so do you have flex connect arp cache
enabled? If so you might want to try disabling ARP caching.
http://www.cisco.com/c/en/us/td/docs/wireless/controller/8-2/config-guide/b_cg82/b_cg82_chapter_010010101.html
@LISTSERV.EDUCAUSE.EDU] *On Behalf Of *Kanan E Simpson
*Sent:* Tuesday, February 28, 2017 8:04 AM
*To:* WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
*Subject:* Re: [WIRELESS-LAN] MAC OSX Duplicate IP's
Shayne,
Just curious, have you confirmed it’s not a rogue DHCP or router that
popped up within that time
All,
Would DHCP Snooping and Dynamic arp inspection address this issue?
Regards,
Christina Klam
--
Christina Klam
Network Engineer
Institute for Advanced Study
Email: ck...@ias.edu
Einstein Drive Telephone: 609-734-8154
Princeton, NJ 08540 Fax: 609-951-4418
**
Sent: Monday, February 27, 2017 10:11 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] MAC OSX Duplicate IP's
Importance: High
I’m reaching out since we just started having problems with users complaining
about getting messages on their Mac’s about a duplicate IP address
Hi Shayne,
On 28/02/17 11:23, Shayne Ghere wrote:
> Last count, we have 51 Apple TV's, but they aren't on the same network we're
> having problems with. The TV's are either hard-wired or registered on a
> Wireless network that's not secure and doesn't require any
> authentication...just
17 9:15 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] MAC OSX Duplicate IP's
Hi Shayne,
On 28/02/17 11:10, Shayne Ghere wrote:
> I’m reaching out since we just started having problems with users
> complaining about getting messages on their Mac’s about a duplic
Hi Shayne,
On 28/02/17 11:10, Shayne Ghere wrote:
> I’m reaching out since we just started having problems with users
> complaining about getting messages on their Mac’s about a duplicate IP
> address on the network.
>
> When looking in the ARP table of the Cisco Nexus switches, the mac
>
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