Re: [c-nsp] Idiot checking LC compatibility across different 7600 chassis.

2018-09-28 Thread Gert Doering
hi,

On Fri, Sep 28, 2018 at 02:31:47PM +, Nick Cutting wrote:
> The 6148's are so bad - I think they share 1g of bandwidth  per 8 ports.  I 
> saw a client dropping TB's a day with these linecards. 

Indeed.  And refurbished 6748GE-TX (with 40GE fabric connection) can be 
had for about 300 EUR these days.

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
 Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany g...@greenie.muc.de


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Re: [c-nsp] Idiot checking LC compatibility across different 7600 chassis.

2018-09-28 Thread Nick Cutting
The 6148's are so bad - I think they share 1g of bandwidth  per 8 ports.  I saw 
a client dropping TB's a day with these linecards. 

-Original Message-
From: cisco-nsp  On Behalf Of Tom Hill
Sent: Friday, September 28, 2018 10:08 AM
To: cisco-nsp@puck.nether.net
Subject: Re: [c-nsp] Idiot checking LC compatibility across different 7600 
chassis.

This message originates from outside of your organisation.

On 28/09/18 14:57, Jason Lixfeld wrote:
> To that end, I’ve got a bunch of WS-X6148A-GE-45AF cards and a pair of 
> SUP720-3BXLs in a 7606 chassis (PID: CISCO7606) and it works fine despite the 
> WS-X6148A-GE-45AF data sheet making no reference to 7600 support, only 6500 
> support.
> 
> I need to forklift the 7606 for a 7613 (which is already equipped with a FAN2 
> and a pair of PWR-6000-DC PSUs).
> 
> Should all just work, ya?

Most likely, yes. Though the 6148s are 'classic bus' cards, which do not use 
the chassis fabric. They're hideous and slow down the whole router, due to 
taking up bandwidth on the classic bus that is also used for lookup signalling 
between CFCs and the supervisor (no use of classic bus cards, and the use of 
DFCs, is required to overcome those limitations).

If you're intending to add more, please add 6548s as a minimum. Better yet, 
please put all of your 7600 gear into the sea and use more power-efficient 
devices. :)

Regards,

--
Tom
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Re: [c-nsp] Idiot checking LC compatibility across different 7600 chassis.

2018-09-28 Thread Tom Hill
On 28/09/18 14:57, Jason Lixfeld wrote:
> To that end, I’ve got a bunch of WS-X6148A-GE-45AF cards and a pair of 
> SUP720-3BXLs in a 7606 chassis (PID: CISCO7606) and it works fine despite the 
> WS-X6148A-GE-45AF data sheet making no reference to 7600 support, only 6500 
> support.
> 
> I need to forklift the 7606 for a 7613 (which is already equipped with a FAN2 
> and a pair of PWR-6000-DC PSUs).
> 
> Should all just work, ya?

Most likely, yes. Though the 6148s are 'classic bus' cards, which do not
use the chassis fabric. They're hideous and slow down the whole router,
due to taking up bandwidth on the classic bus that is also used for
lookup signalling between CFCs and the supervisor (no use of classic bus
cards, and the use of DFCs, is required to overcome those limitations).

If you're intending to add more, please add 6548s as a minimum. Better
yet, please put all of your 7600 gear into the sea and use more
power-efficient devices. :)

Regards,

-- 
Tom
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[c-nsp] Idiot checking LC compatibility across different 7600 chassis.

2018-09-28 Thread Jason Lixfeld
Hey there,

I haven’t dealt with the 7600 platform for a number of years, so I need a quick 
idiot check on what I think I remember.  IIRC, the 7600 chassis (non-S) is the 
same thing as a 6500 chassis (non-E), so anything that works in one should work 
in the other.

To that end, I’ve got a bunch of WS-X6148A-GE-45AF cards and a pair of 
SUP720-3BXLs in a 7606 chassis (PID: CISCO7606) and it works fine despite the 
WS-X6148A-GE-45AF data sheet making no reference to 7600 support, only 6500 
support.

I need to forklift the 7606 for a 7613 (which is already equipped with a FAN2 
and a pair of PWR-6000-DC PSUs).

Should all just work, ya?

Thanks!
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