6807-XL Slots issue

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Dec 27th, 2015
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Hi Guys,


I want to choose 6807-XL as a core switch in my project, but I have question! can I use 6 cards as a module and 1 as SUP 2T or I must use 5 Slots for modules cards??


because I need One SUP 2T and I want to use the rest of 6 slots for module cards, Can I do that?


Thanks for all



Mohammad Saeed

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Reza Sharifi Sun, 12/27/2015 - 10:51
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Hi Mohammad,

The pinouts between the module slots and sup slots are different. So slots 5 and 6 are reserved for sups and can't be used with regular modules.

HTH

mohammad saeed Sun, 12/27/2015 - 11:30
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Hi Reza,


Thanks. So Is there any model more than 7 slots from 6800 series?!


another question, there is a difference between X2-10GB-SR= and SFP-10G-SR= because I want to replace the WS-X6816-10G-2T card with C6800-32P10G-XL which can carry 32 ports 10G with One card so I can save one slot! can I do that?

Thanks again

Mohammad Saeed

Reza Sharifi Sun, 12/27/2015 - 11:40
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Hi Mohammad,

6807 is the larger chassis you can get on the 6800 series.  As for 16 port 10Gig vs 32 port 10Gig, you can defiantly use the 32 port 10gig module to solve the issue if not having enough slots for all your 10Gig interfaces. Also, you can enable VSS on the 6800 series to give you the redundancy you need without using HSRP/VRRP, etc..

HTH

mohammad saeed Sun, 12/27/2015 - 11:52
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Hi Reza,

Thanks, but 16port 10Gig uses Pluggable transceivers X2-10GB-SR= and 32port 10Gig uses Pluggable transceivers  SFP-10G-SR=?! is there any difference between them? or both them the same!

Thanks,

Mohammad Saeed 

Reza Sharifi Sun, 12/27/2015 - 12:10
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Two models: C6800-16P10G, a 16-port 10-Gigabit Ethernet Fiber Module with DFC4 (Figure 2), and C6800-16P10G-XL, a16-port 10-Gigabit Ethernet Fiber Module with DFC4XL

Two models: C6800-32P10G, a 32-port 10-Gigabit Ethernet Fiber Module with DFC4 (see Figure 1), and C6800-32P10G-XL, a 32-port 10-Gigabit Ethernet Fiber Module with DFC4XL

Reza

mohammad saeed Sun, 12/27/2015 - 12:30
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Hi Reza,

I mean the difference between  WS-X6816-10G-2T card and C6800-32P10G-XL.

because  WS-X6816-10G-2T uses x2 transceivee. but C6800-32P10G-XL. uses sfp+ is there any differences?

pwwiddicombe Sun, 12/27/2015 - 14:56
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X2 and SFP are different form factors.  On some of these, you CAN get a twinGig adapter to convert an X2 into multiple SFP ports, but I don't think these can be 10G SFP+ (although it may be possible on the newer modules).

mohammad saeed Sun, 12/27/2015 - 21:22
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Good! but if I need 10 Gig I can use whatever pluggable SFP+ either X2! Am I right? I mean technically I can get 10 Gig with the same performance! 

pwwiddicombe Wed, 12/30/2015 - 10:50
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There shouldn't be a performance difference between SFP+ or X2.  However, check the capability of the line card / chassis backplane - if you have 16 10G ports, make sure the line card plugged into supports what you expect.  Remember, if all ports are 10G running flat out, your total backplane for that line card is 160G, unless it's between servers in the same VLAN connected to the same blade.

(This probably would only happen during backup windows... ?  )

mohammad saeed Wed, 12/30/2015 - 12:12
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Cisco said in their document i can add high density card with 10 gig 32port for 6807xl , so i think it will work! actually i want to connect stacking edge switches with these ports mot servers

Reza Sharifi Sun, 12/27/2015 - 14:59
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Hi Mohammad,

Don't use any module with X2 transceivers.  They are big, bulky, older and become lose rather easily.  Just use the part numbers I provided you.  Both modules use SFP+. X2 is outdated and being replaced by SFP+.

Reza


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