[c-nsp] PA-FE-TX vs PA-FE-TX/ISL

[Howard Leadmon]

 The card in the general sense may have been evil, and I know for a fact it
couldn't sustain the throughput that the normal FE boards were capable of, but
it was still an FE port, or at least the dual port ones were.

 I have the PA-2FE-TX/ISL board in a 7206VXR for many years, moving a lotta
bits, and honestly have to say I never had any real problems with it.  I used
it as a DSL agg router, and used the 2FE card to create a dot1q trunk back to
the switch it was connected into.  

 Anyway that was just my experience with that board, but it will work as a
pair of FE ports for sure.   Needless to say I had no need for tokenring...


---
Howard Leadmon 


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Justin M. Streiner
> Sent: Saturday, August 18, 2007 3:40 PM
> To: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] PA-FE-TX vs PA-FE-TX/ISL
> 
> On Sat, 18 Aug 2007, Bernd Ueberbacher wrote:
> 
> > I'm still learning for my CCNA (to calm my examination nerves *G*) and
> > currently fooling around with a 7206 nonVXR router. It has a NPE-200 and
> > one PA-FE-TX/ISL. I'd like to get a second interface and had a look on
> > eBay, but I'm a bit confused (again). There are PA-FE-TX modules which
> > are much more expensive than those $80,- PA-FE-TX/ISL, but what exactly
> > is the difference. They are EoL, so I can't find much information. Does
> > the name indicate that they just support ISL but no dot1q or is there
> > something else?
> 
> There's a reason why these cards are practically give-aways on the used
> market :)
> 
> Gert is correct - the PA-FEISL-TX is evil.  It has nothing to do with ISL
> vs. 802.1q support.  It supports Token Ring ISL, which is not the same
> thing.  It caused a lot of confusion earlier in the life cycle of the
> 71/7200 router line because people assumed that since it says "Ethernet"
> on the card and it has normal-looking TX or FX ports that it will behave
> exactly like a 'real' Ethernet interface.  From what I recall, at the
> time, Cisco didn't do a very good job of noting the differences between
> the two nearly identical looking cards and caused some of their customers
> quite a few headaches in the process (raises hand)...
> 
> Here is the End of Sale/End of Life announcement from Cisco:
> 
> http://www.cisco.com/en/US/products/hw/modules/ps2033/prod_eol_notice09186a0
> 08032d6e3.html
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