[THIN] Re: Browse Lists missing apps
- From: Jeff Rapp <JeffR@xxxxxxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Mon, 12 Aug 2002 14:37:50 -0400
Dirk,
What type of fault tolerant config are you using, Adapter or Switch?
If it is "Adapter based" then all adapters must be connected to the same
switch or hub. And Spanning Tree must be OFF.
If it is "Switch based" then you can connect to two different switches and
Spanning tree must be ON. The documentation also indicates that you ca not
connect any client devices to the same switches that the server adapters are
connected to or they will not fail over on a fault. So you basically loose
the fault tolerance for those clients that are connected to the same
switches that the servers are connected to.
You can check out the docs at the following link:
http://www.intel.com/support/network/adapter/ans/teaming.htm
The Cisco FEC option is the best option. You will get a nice mix of speed
increase and fault tolerance with this config. Split your servers onto
different switches as Brian indicated and you have an additional layer of
tolerance that will allow half of your servers to stay up if (in the
unlikely event) that you loose a switch.
Hope some of this helps sway your NE guys. Just tell them that you know more
than they do. That always seems to get the NE people on your side
;-)!!!!!!!!!!!!!!!!!!!!!!!!!!
Oh, not sure how Citrix behaves in a Fault Tolerant config. I've never tried
it. If all is configured correctly and you still have the same problems have
the NE guys monitor for errors and line up/down events on the switch. I
could see the IMA bugging out if there is a bunch of switching between
adapters....
Jeff
> -----Original Message-----
> From: Dirk Blose [mailto:Dirk.Blose@xxxxxxxxxx]
> Sent: Monday, August 12, 2002 2:14 PM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Browse Lists missing apps
>
>
>
>
> I have the NIC's configured as a Fault Tolerant team. The
> Connections go = to separate Switches. The NIC's and switch
> ports are set at 100/Full. = Previously I was setup for Load
> balancing, I switched to Fault Tolerant in = hopes of
> clearing up the problems. Anything anyone can suggest would
> be = appreciated. I saw another reply indicating that Intel
> documentation = states to put both ports on the same switch.
> If I can find that, then I = can use it to push my network
> Engineering guys to change things around.
>
> Thanks.
>
> Dirk Blose, MCSE, CCA
> Lead Technical Analyst
> (919) 765-4791
> dirk.blose@xxxxxxxxxx
>
> >>> JeffR@xxxxxxxxxxxxxxxxx 08/12/02 01:20PM >>>
>
> Dirk,
>
> Do you still have the NICs set up as a fault tolerant team
> and not a Cisco Fast EtherChannel team? I believe you also
> had them plugged into separate switch. Is this still correct?
> I know that you wanted to do this for redundancy but I think
> your are experiencing more problems than the redundancy might
> be worth.
>
> I would recommend that you make these into a Cisco Fast
> EtherChannel team and that you configure the appropriate
> number of ports on one switch into Fast EtherChannel team
> groups. Set them all to 100Mbps and Full Duplex. = IMHO this
> is the best (and most stable) configuration in a Citrix
> environment. = I mean how often do you lose a Cisco switch?=20
>
> Jeff
>
> > -----Original Message-----
> > From: Dirk Blose [mailto:Dirk.Blose@xxxxxxxxxx]=20
> > Sent: Monday, August 12, 2002 1:14 PM
> > To: thin@xxxxxxxxxxxxx=20
> > Subject: [THIN] Browse Lists missing apps
> >=20
> >=20
> >=20
> >=20
> > We implemented Fault Tolerant Dual Intel Network cards a=20 little
> >over a =3D week ago. Since then I am having a lot of=20
> problems with
> >users not getting =3D their published=20 applications. I've pretty
> >established that the problem is =3D=20 that the ICA Browse list is
> >getting hosed. If I go into PAM=20 and refresh =3D each application
> >the problem will clear up for=20 a time but this is getting
> =3D old. I
> >tried looking at the=20 knowledge base and the archives and
> mostly it
> >=3D talks about=20 if you're multi homed. I am not multi homed. The
> >Nic's are =3D=20 bound into one Virtual Nic which has a single IP
> >assignment.=20 Any assistance=3D would be greatly appreciated.
> >=20
> > Thanks.
> >=20
> > Dirk Blose, MCSE, CCA
> > Lead Technical Analyst
> > (919) 765-4791
> > dirk.blose@xxxxxxxxxx=20
> >=20
> >=20
> >=20
> >
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
> D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > This weeks Sponsor:
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