- mice-discuss - lists.micemn.net

Switch Move Complete

by Jay Hanke

The move to the new EX 4200 Virtual Chassis was successful. If you encounter any issues please post them to the list. -- Jay Hanke CTO, CCIE #19093 Mankato Networks LLC 320 East Liberty Street Mankato, MN 56001-3838 Google 530-618-2398 jayhanke(a)mankatonetworks.net http://www.mankatonetworks.com ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 11, 2011

Re: MICE Switch Config

by Steve Howard

Mike, On 08/10/2011 01:54 PM, Mike Horwath wrote: > On Wed, Aug 10, 2011 at 12:33:31PM -0500, Steve Howard wrote: >> Justin, >> >> The CNS MICE switch MTU is configured at 1998/9198. >> >> Steve >> >> >> mice2#show system mtu >> >> System MTU size is 1998 bytes >> System Jumbo MTU size is 9198 bytes >> Routing MTU size is 1998 bytes > I have a quick question.. > > Why would you change this? > > I am hoping I am mising some Internet sekret. > > For our VMware emphemeral networking we use 1528. > > Our network by default is 1500. > > And if I were using jumbo framing, I'd use 9000. > > Please school me, I am a sponge for new knowledge. > We typically change the MTU to the largest (reasonable) values supported by the platform when installing an ethernet switch. I'm not sure if it is the best strategy (feel free to tell me what I've gotten wrong), but it has worked out well so far. We mainly do this to improve the service for our customers: 1) We want to be sure that our customers can get a minimum MTU of 1500 (and 9000 jumbo) for their connections. We see this now and then in customer technical requirements for ethernet circuits. By increasing our MTU, I don't have to worry about the various encapsulation methods that we might use internally for them (MPLS, 802.1q tunneling, etc) reducing their available MTU below the limit; 2) It allows our customers to do their own encapsulation (L2TPv3, MPLS) in addition to ours and still keep 1500/9000 for their payload; 3) In the past we have seen vendor/customer confusion where they believe that MTU and ethernet frame size are the same, by having a little "cush" factor, we don't have to worry about being the bad guy who clobbered their packets if there is terminology confusion; 4) If our customers use Path MTU Discovery they can take advantage of larger MTU sizes and get greater efficiency for their traffic; 5) Many of the Cisco switches require a reboot to change MTU settings. By setting them to their maximum during the initial install we don't have to worry about a service-affecting reboot later if we need to increase it; 6) It doesn't seem to break anything. :-) Steve ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

Re: MICE Switch Config

by Mike Horwath

On Wed, Aug 10, 2011 at 12:33:31PM -0500, Steve Howard wrote: > Justin, > > The CNS MICE switch MTU is configured at 1998/9198. > > Steve > > > mice2#show system mtu > > System MTU size is 1998 bytes > System Jumbo MTU size is 9198 bytes > Routing MTU size is 1998 bytes I have a quick question.. Why would you change this? I am hoping I am mising some Internet sekret. For our VMware emphemeral networking we use 1528. Our network by default is 1500. And if I were using jumbo framing, I'd use 9000. Please school me, I am a sponge for new knowledge. -- Mike Horwath ipHouse - Welcome home! drechsau(a)iphouse.net The universe is an island, surrounded by whatever it is that surrounds universes. - Berkeley Fortune ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

Re: MICE Switch Config

by Steve Howard

Justin, The CNS MICE switch MTU is configured at 1998/9198. Steve mice2#show system mtu System MTU size is 1998 bytes System Jumbo MTU size is 9198 bytes Routing MTU size is 1998 bytes On 08/10/2011 08:02 AM, Justin Krejci wrote: > Is there any sort of QoS in play on the MICE switches at all? > > Also what are the MTUs configured on the various switch ports? > > > > ------------------------------------------------------------------------ > > To unsubscribe from the MICE-DISCUSS list, click the following link: > http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 > <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

Aug. 10, 2011

Re: MICE Switch Config

by Jay Hanke

On Wed, Aug 10, 2011 at 9:53 AM, Jeremy Lumby <jlumby(a)mnvoip.com> wrote: > Out of curiosity, will the switch pass DSCP values even if it ignores them, or will it strip them? DSCP will be passed. The L3 packet shouldn't be mucked with at all in the MICE switches including TTL. Jay ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

Re: MICE Switch Config

by Jeremy Lumby

Out of curiosity, will the switch pass DSCP values even if it ignores them, or will it strip them? -----Original Message----- From: MICE Discuss [mailto:MICE-DISCUSS@LISTS.IPHOUSE.NET] On Behalf Of Jay Hanke Sent: Wednesday, August 10, 2011 9:35 AM To: MICE-DISCUSS(a)LISTS.IPHOUSE.NET Subject: Re: [MICE-DISCUSS] MICE Switch Config On Wed, Aug 10, 2011 at 8:02 AM, Justin Krejci <jkrejci(a)usinternet.com> wrote: > Is there any sort of QoS in play on the MICE switches at all? Nope, other than community pressure to not fill your ports... > Also what are the MTUs configured on the various switch ports? They are default so ~1500 depending on what vendor is counting. Jay ######################################################################## 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

Aug. 10, 2011

Switch Move Scheduled

by Jay Hanke

The switch move will occur tomorrow morning (8/11/2011) at 7 AM. If you encounter problems, please post them to the list or join the bridge.. Here is the bridge information: To invite others to join, copy and paste everything below into your invitation. ------------------------------------------------------- Meeting information ------------------------------------------------------- Topic: MICE Switch cut Date: Thursday, August 11, 2011 Time: 7:00 am, Central Daylight Time (Chicago, GMT-05:00) Meeting Number: 804 365 665 Meeting Password: mice1234 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://kato.webex.com/kato/j.php?ED=158710332&UID=490740372&PW=NZDA2ZjFmOT… ------------------------------------------------------- Audio conference information ------------------------------------------------------- Call-in toll number (US/Canada): +1-408-600-3600 Access code:804 365 665 ------------------------------------------------------- For assistance ------------------------------------------------------- 1. Go to https://kato.webex.com/kato/mc 2. On the left navigation bar, click "Support". To add this meeting to your calendar program (for example Microsoft Outlook), click this link: https://kato.webex.com/kato/j.php?ED=158710332&UID=490740372&ICS=MS&LD=1&RD… To check whether you have the appropriate players installed for UCF (Universal Communications Format) rich media files, go to https://kato.webex.com/kato/systemdiagnosis.php. http://www.webex.com CCM:+14086003600x804365665# -- Jay Hanke CTO, CCIE #19093 Mankato Networks LLC 320 East Liberty Street Mankato, MN 56001-3838 Google 530-618-2398 jayhanke(a)mankatonetworks.net http://www.mankatonetworks.com ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

Re: MICE Switch Config

by Jay Hanke

On Wed, Aug 10, 2011 at 8:02 AM, Justin Krejci <jkrejci(a)usinternet.com> wrote: > Is there any sort of QoS in play on the MICE switches at all? Nope, other than community pressure to not fill your ports... > Also what are the MTUs configured on the various switch ports? They are default so ~1500 depending on what vendor is counting. Jay ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

MICE Switch Config

by Justin Krejci

Is there any sort of QoS in play on the MICE switches at all? Also what are the MTUs configured on the various switch ports? ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011

Re: EX 4200 Port Moves

by Justin Krejci

Do you need any assistance? I drive by FWR (down 94) before 7am most days during the summer and can easily swing by if it would be useful. ------Original Message------ From: Jay Hanke Sender: MICE Discuss To: MICE-DISCUSS(a)LISTS.IPHOUSE.NET ReplyTo: MICE Discuss Subject: [MICE-DISCUSS] EX 4200 Port Moves Sent: Aug 9, 2011 5:19 PM We're going to start moving ports on to the new switches later this week or early next week depending on FWR availability. The move will happen at about 6:30 or 7 in the morning. Here is the plan: -Move Route Server #1 -Move CNS fiber and upgrade link to 10 G -Move all copper ports to new EX 4200-24T (including route server #2) The result will be a XE link between CNS and MICE Core and a GE link to the old switch. The single remaining fiber port (SDN) is scheduled to upgrade to 10G late this summer and will not move at this time. As we move, we'll verify the BGP sessions stay up and there is traffic on the links. I am planning to move ALL the copper ports in one window. Thanks! Jay ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1 Sent via BlackBerry from T-Mobile ######################################################################## To unsubscribe from the MICE-DISCUSS list, click the following link: http://lists.iphouse.net/cgi-bin/wa?SUBED1=MICE-DISCUSS&A=1

Aug. 10, 2011