From: Peter (peter@cyscoexpert.com)
Date: Fri May 09 2003 - 14:50:31 GMT-3
We were actually testing the failover time yesterday on Cat6509 Native IOS
with OSM cards and the recovery time was 40 sec.
I have seen many times the failover with FlexWAN and OC-3 ATM in config-sync
mode to be under 60 sec.
_____________________________
Peter
#7247 (R&S, Security, C&S)
CyscoExpert Corp.
4433 W. Touhy Ave. Suite 410
Lincolnwood, IL 60712
Phone (847) 674-3392
Toll Free (866) CyscoXP (297-2697)
Fax (847) 674-2625
----- Original Message -----
From: "Colin Barber" <Colin.Barber@telewest.co.uk>
To: <jfaure@sztele.com>; <ccielab@groupstudy.com>
Sent: Friday, May 09, 2003 10:03 AM
Subject: RE: 6500 Flexwan modules & Msfc
> The last time I tested native IOS, the fail over time wasn't that good. It
> may be improved now with newer code. It also costs extra for each of the
> supervisors, I checked this with our supplier the other day and that extra
> cost is still there.
>
> I personally prefer Native IOS. Being able to easily see load stats for an
> interface is one good feature, debugging is another. Being able to create
a
> layer 3 interface is also much better than having to create a VLAN just
for
> one port. The only thing that's a pain is if the system has many ports.
> Setting it up takes a bit longer and forget about doing a show run on a
400
> port system.
>
> Colin
>
> -----Original Message-----
> From: jfaure@sztele.com [mailto:jfaure@sztele.com]
> Sent: 09 May 2003 15:54
> To: Colin Barber
> Cc: ccielab@groupstudy.com; 'dmadlan@qwest.com'
> Subject: RE: 6500 Flexwan modules & Msfc
>
>
>
> What do you think about migrating the 6500 to native IOS? Perhaps, it
maybe
> the best solution
>
>
>
> Juan Faure Ferrer
> email: jfaure@sztele.com
>
> Lmnea de Negocio de Telematica y CC
> Ingeniero de Integracisn de Redes y Sistemas
> --------------------------------------------------------------------------
-- > > SOLUZIONA TELECOMUNICACIONES > Servicios Profesionales de UNION FENOSA > Jerez, 3 > 28016 MADRID > tel 91 579 30 00 fax 91 350 72 83 > -------------------------------------------------------------------------- - > > > > > > "Colin Barber" > > <Colin.Barber@telew Para: "'dmadlan@qwest.com'" > > est.co.uk> <dmadlan@qwest.com>, > "'jfaure@sztele.com'" > <jfaure@sztele.com>, > > 09/05/03 16:23 ccielab@groupstudy.com > > cc: > > Asunto: RE: 6500 Flexwan > modules & Msfc > > > > > > > As I said it depends on your requirements. Using SRM you only have one > active router and therefore you cannot load balance. Also fail over time is > greater than with HSRP on the VLANS. > > Colin > > -----Original Message----- > From: MADMAN [mailto:dave@interprise.com] > Sent: 09 May 2003 14:42 > To: Colin Barber > Cc: 'jfaure@sztele.com'; ccielab@groupstudy.com > Subject: Re: 6500 Flexwan modules & Msfc > > > > What you really need to do is run the MSFC's in SRM, single router > mode. This way you will have automatic redundancy if the case of an > MSFC failure. Otherwise if you loose your MSFC that controlls the > flexwan you will have to manually configure your second MSFC, not a good > plan. > > Dave > > Colin Barber wrote: > > This is normal. You need to copy the POS configuration into the startup > > config of the second MSFC. When the switch over occurs then the second > MSFC > > will see the FlexWAN interfaces and load the config. > > > > What you must not do is do a write mem on the second MSFC because it will > > not have the FlexWAN config in it's running config and will erase it from > > the startup config. Any changes that you make to the primary MSFC should > be > > made to the secondary's running config and also changed in it's startup > > config file via TFTP. > > > > There are different ways to overcome this. You can have the second MSFC > as > a > > standby (i.e. not running) and once the primary fails it loads up and > > becomes the primary. This gets around the config issue as any changes > > written to memory on the primary are copied over to the secondary. The > > Native IOS solution also works in this way. The only problem with this is > > both routers are not active as the same time so you cannot do > load-balancing > > with HSRP etc and I think the fail over takes longer. > > > > Colin > > > > -----Original Message----- > > From: jfaure@sztele.com [mailto:jfaure@sztele.com] > > Sent: 09 May 2003 10:23 > > To: ccielab@groupstudy.com > > Subject: 6500 Flexwan modules & Msfc > > > > > > Hi all: > > > > We have a 6500 switch with a flex wan card to support POS interfaces. We > > are using catos 6.3.8 and IOS (msfc) 12.1.8bE11. The problem we have is > > that the POS interface only appears in one of the two msfcs we have in > the > > chassis (we have two SP cards & 2 msfcs). > > > > Anyone knows if this is normal? Supposing the main SP goes down, then > > you`d need to configure the second msfcs for operating with the pos > > interfaces. It seems a very limited implementation, if this is so. > > > > Any help would be apreciated. > > > > Regards > > > > Juan Faure Ferrer > > email: jfaure@sztele.com > > > > Lmnea de Negocio de Telematica y CC > > Ingeniero de Integracisn de Redes y Sistemas > > > -------------------------------------------------------------------------- -- > > > > > SOLUZIONA TELECOMUNICACIONES > > Servicios Profesionales de UNION FENOSA > > Jerez, 3 > > 28016 MADRID > > tel 91 579 30 00 fax 91 350 72 83 > > > -------------------------------------------------------------------------- - > > > > > -------------------------------------------------------------------------- -- > > -- > > Live Life in Broadband > > www.telewest.co.uk > > > > > > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. > > Statements and opinions expressed in this e-mail may not represent those > of the company. Any review, retransmission, dissemination or other use of, > or taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you received > this in error, please contact the sender immediately and delete the > material > from any computer. > > > > > > > ============================================================================ > > == > > > > > > > -- > David Madland > CCIE# 2016 > Sr. Network Engineer > Qwest Communications > 612-664-3367 > > "Government can do something for the people only in proportion as it > can do something to the people." -- Thomas Jefferson > > > -------------------------------------------------------------------------- -- > -- > > Live Life in Broadband > www.telewest.co.uk > > > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. > Statements and opinions expressed in this e-mail may not represent those of > the company. Any review, retransmission, dissemination or other use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you received > this in error, please contact the sender immediately and delete the > material from any computer. > > > ============================================================================ > == > > > > > > > > -------------------------------------------------------------------------- ---- > Live Life in Broadband > www.telewest.co.uk > > > The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. > Statements and opinions expressed in this e-mail may not represent those of the company. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender immediately and delete the material from any computer. > > > ============================================================================ ==
This archive was generated by hypermail 2.1.4 : Mon Jun 02 2003 - 15:13:39 GMT-3