there is no "default configuration" or pre-coded 10.1.1.50 ip-address on mgmt0. first time you boot a switch it starts the setup dialog with a serial console port.
<http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/fundamentals/421_n1_1/Cisco_Nexus_5000_Series_NX-OS_Fundamentals_Configuration_Guide_Release_4_2_1_N1_1_chapter3.html#con_1073243> if you had a switch with a configuration then either they were shipped from manufacturing incorrectly (i guess its a possibility), or your installation guys thought it was a good idea to configure it that way. as i can find no examples of the former listed in bug searches internal to cisco, i'd say it points at the latter. cheers, lincoln. On 20/07/2010, at 12:36 PM, Church, Charles wrote: > Just be careful about connecting the mgmt0 interfaces to anything prior to > configuring them. The default IP address of 10.1.1.50 on them (at least on > the 4.2 5000s) will cause a spectacular ARP storm when they conflict with > each other, like when you attach several unconfigured ones to the same > network. Several thousand PPS, eventual reloads, etc. Our installation > guys got ahead of the config guys in our new DC, nice little mess it made. > Not sure why they put a default address on them, hope it's something they > correct in the future. > > Chuck > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Manu Chao > Sent: Monday, July 19, 2010 7:17 PM > To: Peter Rathlev > Cc: Lincoln Dale; [email protected] > Subject: Re: [c-nsp] NX-OS - Fabric Path > > > Yes, but Nexus hardware is the right platform if you don't want to loose any > packet in your DC ;) > > On Tue, Jul 20, 2010 at 12:56 AM, Peter Rathlev <[email protected]> wrote: > >> On Tue, 2010-07-20 at 08:29 +1000, Lincoln Dale wrote: >>> right now the hardware is using a frame format that is not that of >>> what TRILL uses (and as such we're using a Cisco-defined ethertype), >>> however the hardware is capable of supporting standards-based TRILL as >>> and when the standard is finalised & ratified. >> >> Would that hardware happen be the EARL8? And would there be any chance >> that us "old skool" Cat6500 guys get to share to thrill of TRILL (or >> similar)? :-) >> >> -- >> Peter >> >> >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
