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What is the plan with the old 4200? On Thu, Sep 29, 2016 at 11:15 AM, Jeremy Lumby <[log in to unmask]> wrote: > Jay, > > > > Can we get new port assignments for the 4 1G optical ports > on the 4200 to move them to the 4550. Also I would propose plugging one of > the route servers into the 4500 to spread them across 2 stacks, so if you > agree, please assign a port for that as well. Also if you have permission, > can you post the maintenance to the Announce list? > > > > Jeremy > > > > From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of Ryan > Goldberg > Sent: Thursday, September 29, 2016 11:07 AM > To: [log in to unmask] > Subject: Re: [MICE-DISCUSS] EX4200 (1G Switch) Packet Loss -> 10G > Participants > > > > No sfp slots available on the 4200. It can only run the two 10g... > > > On Sep 29, 2016, at 10:50 AM, Matthew Beckwell <[log in to unmask]> wrote: > > Jeremy, Thanks for your efforts on this. > > Personally, i'm fine with next Tuesday afternoon. I think the general > consensus was mid-day maintenance is fine, provided we send out something to > MICE-ANNOUNCE (probably by the end of the day today) so people can shut down > their sessions in advance if they prefer. > > > > I don't remember...did we decide if we're moving the 1G Optical folks on the > existing 4200 expansion module (5 Nines, ClaimLynx, CDW/Berbee, Velocity > Telephone) to the 4550? > > > > ~Matthew > > > > > > > > On Thu, Sep 29, 2016 at 8:35 AM, Jeremy Lumby <[log in to unmask]> wrote: > > As many of you know after Tuesday's meeting, I moved my connection over to > the new 4200 that was donated by Compudyne. The topology is that the > existing three switches are connected together in a ring with Juniper > stacking cables, and then the new 4200 that I am testing has 2 10G ports > lagged to the existing switches, one of which goes to the 4500, and the > other goes to the 4550. When I initially connected, I was seeing loss to > all three of the older switches. The loss was 0.4% to the 4500, and 0.2% to > the 4200, and the 4550. I then shutdown the LAG port that ran between the > 4550, and the new 4200. The new loss numbers over a 6 hour period came back > as 0% to the 4500 and 4200, and 0.2% to the 4550. I then switched it so > that only the port to the 4550 was active in the LAG group, and the loss > changed to 0.3% to the 4500, 0.2% to the 4200, and 0% to the 4550. I > believe this clearly points to the loss being in the stacking of the > existing switches. My suggested next step would be to schedule a > maintenance window where the existing members are moved from the old 4200 to > the new one, and the LAG port from the new 4200 to the 4550 is left > shutdown. This will enable the existing 4200 users to experience less loss, > while we can see if removing the old 4200, and associated stacking cables > has removed the loss from the existing stack. Because of my limited > availability I am proposing doing the maintenance next Tuesday afternoon. > Let me know if this works, or if someone else with better availability would > rather do it. It should only briefly effect the 1G members, and not the 10G > users. I plan on moving the route servers one at a time leaving plenty of > time for BGP to re-establish prior to moving the second one. > > > Jeremy Lumby > Minnesota VoIP > 9217 17th Ave S > Suite 216 > Bloomington, MN 55425 > Main: 612-355-7740 x211 > Direct: 612-392-6814 > EFax: 952-873-7425 > [log in to unmask] > > > > > > ________________________________ > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 > > > > ________________________________ > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 > > > ________________________________ > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 -- Jay Hanke CTO Neutral Path Communications 3 Civic Center Plaza, Suite 204 Mankato, MN 56001 (507) 327-2398 mobile [log in to unmask] www.neutralpath.net