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тАО03-14-2013 11:07 AM
тАО03-14-2013 11:07 AM
Hi
We are using a C7000 at the moment with 2 x Virtual Connect Flex-10 , 1x1gb connections in each.
My boss wants to get a 10gb uplink to a possible Cisco Nexus.
I need to work out if I use the CX4 uplink and a CX4 copper cable to connect to the Nexus.
Can anybody confirm this?
Also if we start using the 10Gb for uplink to our core network, what happens to our other 8xGb connections?
Can we keep them as a backup to another switch just in case our core Nexus fails?
Sorry about the questions, Im trying to learn all this and Im starting to wonder if I need to go on a course :)
Thanks
Paul
Solved! Go to Solution.
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тАО03-14-2013 11:37 AM
тАО03-14-2013 11:37 AM
Re: C7000 uplink to Nexus
hi Paul,
The VC Flex10 offers SFP+ and 1 CX4 connection for uplink towards towards the higher upstream switch.
Keep in mind that the X1 port is shared between an CX4 physical port and the SFP+ port that is on the right of it. You can ONLY use 1 port.
When you do use 10GB CX4 or 1 SFP+ port you can still use your 1GB uplinks for other connections or you can use them in the same LACP group but then they will be put on standby (not active) in that way you have them available for redundancy if the 10GB cable breaks. What Nexus are you talking about? As most Nexus switches have SFP+ only and as such you would not use the CX4 cable but the SFP+ port on the X1 connector.
I hope this helps? Cheers, Jeroen
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тАО03-14-2013 11:46 AM
тАО03-14-2013 11:46 AM
Re: C7000 uplink to Nexus
Thanks for the fast reply Jeroen.
We are considering the Nexus 5548P.
Thanks
Paul
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тАО03-14-2013 12:04 PM
тАО03-14-2013 12:04 PM
SolutionHowdy Paul,
The nexus 5548p uses only SFP+ ports; so you would use then either a SFP+ DAC cabel (1 of these:):
HP C-Series SFP+ to SFP+ Copper 3.0m Direct Attach Cable AP784A HP C-Series SFP+ to SFP+ Copper 5.0m Direct Attach Cable AP785A
As you can see those CISCO DAC cables that we support are only 3 or 5 meters in length!
Or you use a SR SFP+ adapter:
HP BladeSystem c-Class 10Gb Short Range Small Form-Factor Pluggable Option
455883-B21
Together with an 10GB SR SFP adapter on your Nexus 5538p with of course any OM3/OM4 LC-LC cable.
I hope this helps?
Cheers, Jeroen
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тАО03-14-2013 01:21 PM
тАО03-14-2013 01:21 PM