Cisco Switching/Routing :: Nexus 7k - Can't Update Epld On 10gb Module

Oct 19, 2011

I am having trouble updating the epld image on the 10gb Module of Nexus 7k. we have two nexus and two 10gb module. Tried the other one and it worked fine. its jsut the first one that has problems with the epld image. i have tried on both the nexus on two different slots and still the same error.
I get the following error:
Chain connectivity is broken while upgrading the FPGA. (Error Number : 36)

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Cisco Switching/Routing :: Nexus 7000 EPLD Upgrade

Jan 3, 2012

i need to do EPLD upgrade. on a couple of Nexus 7000 with only 1 10Gb card per Switch and 2 peer-link on this card. Can you tell me what's happening when the 10GB card on the vpc secondary role Switch will be EPLD upgraded.

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Cisco WAN :: Install New Nexus 7K Installed SUP And One 32-Port 10Gb Module?

Jun 29, 2011

I am going to install new Nexus 7K. Installed SUP and one 32-Port 10Gb module. When I open the box to install this 10Gb module, I saw that there is a carbon paper is tighted with ***** on the top of the module. confirm either it will insert in Switch with carbon paper or have to remove this carbon paper?

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Cisco Switching/Routing :: X2 10GB SR10 Gig Module Will Support Fijutsu Primary Server

Jun 12, 2013

We got a requirement for 2 number of  X2-10GB-SR line card WS-X45-SUP6-E in WS-C4506-E.Customer want to connect with Fujitsu primary server . they have 10 gig module so i guess it will support with that.Also a doubt this X2-10GB-SR we can directly connect the firber sc multimode cable write no additional sfp required write .And for my knowledge if i use CVR-X2-SFP. I think to multimode sfp we have to insert write so do we get to 10 gig ports in one slot or how is it .

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Cisco Switching/Routing :: C3KX-NM-10GT Network Module Working At 1Gb And 10Gb Simultaneously

Aug 14, 2012

I know that the C3KX-NM-10GT network module has two (copper) ports that support speeds of 1Gps or 10Gps. Could this module work with one port at 1Gb and the second port at 10gb simultaneosly? It's possible to work each port of the module with different speed (one port working on 1Gb mode and the other working on 10Gb mode)?

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Cisco Switching/Routing :: Nexus 5548 10GB-LR Interfaces Not Coming Up

Jun 21, 2012

We are trying to connect 2 nexus 5558UP (5.1.(3)N1(1)) with 10G-SFP+-LR interfaces. The interfaces are not genuine cisco's (smartoptics) but as far as we can tell, they are accepted by the hardware. If we take a look at the optical levels, we can see that the switches can see eachother (double-checked by bringing down one interface to see if optical levels really disappears) on optical level, well within limits. I found a notice about changing debounce timers but this doesn't work, setting it to 0 or 1000 doesn't make a difference. Copies of the different show int commands can be found at the end of this text.
Wim Holemans
Network Services
University of Antwerp
swnxds01-enable# sh int eth1/3 transc details

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Cisco Switching/Routing :: Compatibility Between Nxos 5.2.(4) And Epld 5.2(3)

May 31, 2012

we have to upgrade to nxos 5.2(4) but i cannot find same image for epld , i only see a downlable image with version 5.2(3). Do you see any problem if we upgrade kick and system image to 5.2(4) with epld 5.2(3)?

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Cisco Switching/Routing :: Nexus 5596 N55-M160L3-V2 Module

Oct 31, 2012

Can Nexus 5596 support more than 1 N55-M160L3-V2 layer 3 module?

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Cisco Switching/Routing :: Nexus 7010 Module Failure?

Apr 11, 2012

I'm currently getting a Nexus hardware failure at present.
switch %MODULE-2-MOD_DIAG_FAIL: Module 8 reported failure due to DEVICE POST/DIAG FAILURE in device 48

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Cisco Switching/Routing :: SFP-GE-T Module Support On Nexus 5548?

Jan 7, 2013

I am trying to install SFP-GE-T module on Nexus 5548UP Switch, but is giving the ‘SFP validation Failed’ error. The details of the switch is given below

Model : N5K-C5548UP-FA

The interface is configured with speed 1000 before inserting the module, still we are getting the same error. PFA logs for more details We have 8 Nos of SFP-GE-T modules , all are giving same error. We tried to insert the module on onboard as well as expansion module.

The same module is working fine on Cisco 3750X-24T-L Switch As per the Hardware installation guide , SFP-GE-T transciever is supported on N5K platform. Please extend your support in configuring SFP-GE-T module on N5K platform? We tried with SFP-GE-S module on the same switch , and the same is found working fine.

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Cisco Switching/Routing :: Adding N7KM132XP-12 Module To Nexus 7K Switch

Jul 31, 2012

Trying to find some documentation as to whether there are any other steps for inserting this new module in our N7K. We have 2 blades in already and 2 Sups in 5 & 6. I'm assuming its like the 6500s, where we just slide it in and the OS configures the global parms for it and the default VLAN.

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Cisco Switching/Routing :: Connect IBM BladeCentre Switches With Nexus 2k Module?

Dec 18, 2012

We are looking forward to implement IBM BladeCentre Swiches connectivity with Nexus 2k module.I would like to brief you about my network over as follows:
Coreswitch :  6513  ( Layer 3 switch + Spanning Tree root)
 Nexus 5010  : Layer 2 switch 
 Nexus 2k  10G ports based module.
Currentl Solution : we want to connect the IBM Blade Switches (4) as demonstrated in the attached diagram which will be connected to Nexus 2k module as Ether-channel Access port.
Initially we been proposed by our vendor with this design and Now vendor is recommending us to connect the Blade switch etiher to Nexus 5k switch or directly to 6513 core-switches instead of Nexus 2k modules as they say Nexus 2k modules are only to connect the Edge devices .
We do not have ports available on Nexus 5010 to connect the cables from IBM Blade Centre Switches. Otherthan that, incase if we go ahead and connect the IBM Blade switches as access ether-channel access port with Nexus 2k module what are consequences we have to face realted Spanning tree or any other.

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Cisco Switching/Routing :: Nexus 7000 Module Powered-dn Status

Jun 4, 2013

One of our Nexus 7000 modules failed and generated the status below. Could this possibly be a hardware issue? 
# show module 
Mod  Ports  Module-Type                         Model              Status
---  -----  ----------------------------------- ------------------ ---------- 
1    0      10 Gbps Ethernet XL Module                             powered-dn
Mod  Power-Status  Reason
---  ------------  ---------------------------
1    powered-dn     Unable to power up card (Power_OK not set)

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Cisco Switching/Routing :: Nexus 7000 10Gig Card Not Seeing Transceiver Module?

Nov 13, 2011

I'm unable to get the N7K-M108X2-12L 10 Gbps Ethernet XL Module within our Nexus 7009 chassis to recognise the individual X2-10GB-SR transceiver modules. I have the same issue on another 7009 chassis.If I perform a 'show interface'. I get the following output saying SFP not inserted.
-Ethernet3/5 is down (SFP not inserted)
-Dedicated Interface
-Belongs to Po51
-Hardware: 10000 Ethernet, address: 7081.0599.d458 (bia 7081.0599.d458)
I also get the same result if I issue the following command.  Are their any additional features I need to enable? or would this be a license issue?
Have already tried different X2-10GB-SR modules, reloading the card, re seating the card. [code]

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Cisco Switching/Routing :: Nexus 7K 6.1 Code And F2 Series Module - How To Enable Priority

Jul 7, 2012

I have a 7K running 6.1 code, on F series line cards. I  need to set it to prioritise DSCP EF marked traffic, that's all at this stage, but am  unclear on the configuration steps required. The packets will already be  marked, I just need to ensure they end up in a priority queue.

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Cisco Switching/Routing :: Nexus 55548UP - 1GE SFP Module Not Recognized In Fabric Extender

Oct 17, 2012

we installed copper and fiber sfp modules in the 2232PP and none would link up. we pulled the sfp modules out and entered the speed 1000 command and re-inserted the module with no success. the same sfp modules works fine in every other cisco device. we must be missing something. running latest nx-os software.
COH-Nexus-02# sh int Eth101/1/1 status
Port          Name               Status    Vlan      Duplex  Speed   Type


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Cisco Switching/Routing :: Can 10Gbase SFP+ Module Support 1GB Traffic On Nexus 5596T

Mar 20, 2013

Can 10Gbase SFP+ module support 1GB traffic on a Nexus 5596T.
The module for 10Gb is Cisco SFP-10G-SR. My scenario is connecting the 10GB SFP+ module to an access switch 1GB fiber uplink, will this work?

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Cisco Switching/Routing :: Connect ASA 5550 To Nexus 7K F2 Module Using Twinax Cable?

Mar 24, 2012

can we connect ASA 5550 to Nexus 7K F2 module using twinax cable?

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Cisco Switching/Routing :: Nexus 7000 Voice Traffic Across Trunk Terminated On F1 Module

Oct 31, 2012

 I want to prioritize egress voice traffic across a trunk terminated on an F1 module,  N7K-F132XP-15. I am unsure about the setup; according to the "show interface capabilities" F1 interfaces support 8 egress queues, while the Nexus QoS documentation provides configuration referencing 4 queues. In addition, I am not clear about the relevance of network-qos on F1 queueing setup.

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Cisco Switching/Routing :: X2-10GB-SR Compatible With GLC-SX-MM?

Apr 9, 2013

one side Catalyst 6500 module with X2-10GB-SR= otherside WS-C2960S-48FPD-L.
is both end compatible with each other.

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Cisco Switching/Routing :: X2-10GB-SR Compatible With 3750-E?

Jan 31, 2012

i will be buying 2 x 3750-E and will connect our server with 10G to the x2 port of 3750.  is X2-10gb-SR compatible with this? do i need any converter module?

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Cisco Switching/Routing :: 4500 Can Connect 10Gb SFP+ To Standard 1Gb SFP

Nov 15, 2011

I'm looking at provisioning a Catalyst 4500 with a WS-X4712-SFP+E module to allow for future 10Gb connectivity via 10Gb SFP+ interfaces.  These cards are backwards compatible with standard 1Gb SFP interfaces but I'm wondering about the other way around; ie. can you populate these blades with 10Gb SFP+ interfaces when they connect to Catalysts with only 1Gb SFP interfaces at the other end? 
The data sheets don't really explain this.  It seems pointless getting 10Gb SFP+ interfaces for the 4500 when it's only 1Gb at the access layer end, but these access switches will be replaced in the near future (~12 months) and if the 10Gb SFP+ interfaces support connections at 1Gb speeds upfront, it would mean I could retain these interfaces when the access switches upgrade to 10Gb connectivity capabilities down the track. Does the 10Gb SFP+ interfaces are compatible with 1Gb SFP's or only other 10Gb SFP+ interfaces?

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Cisco Switching/Routing :: 6509-E VSS 10gb Port Count?

Jan 15, 2012

Created two 6509s as VSS with just one 10gb connection?I know it is recommended to use both the 10gb connections on the sup-720 from below configuration guide
Information about VSL Topology  
A VSS contains two chassis that communicate using the VSL, which is a  special port group. Configure both of the 10-Gigabit Ethernet ports on  the supervisor engines as VSL ports.
But will the VSS come up if I use just the one?

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Cisco Switching/Routing :: 4900M Connecting 10GB Interface To 1GB

May 12, 2012

I have 4900M with X2-10G-LX4I need to have a link from it to 3560X GLC-SX-MM using MM Fiber Patch Cord.any configuration required in 4900M to change the speed of X2-10GB-LX4 to 1GB ?

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Cisco Switching/Routing :: X2-10GB-T Transceiver Supported On WS-X45-SUP6L

Feb 7, 2012

Does the X2-10GB-T copper transceiver is supported on the WS-X45-SUP6L supervisor?

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Cisco Switching/Routing :: 3750 Stack - 10GB And 1GB Connections

May 22, 2012

I have two 3750 stacks that are currently connected using two1GB fiber connections in an etherchannel. I now added new switches to each stack with 10GB modules in them. We would like to bring up the 10GB connection, but still have one of the 1GB lines as a backup, or even the whole etherchannel. Is there a way for us to make the 10GB the main and the 1GB the standby?

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Cisco Switching/Routing :: 5596 - Extending 10Gb/s LAN Between Sites

Dec 14, 2011

For a simple 4x sites design for backup consolidation (3x sites connected to one central site), does the design in the attached JPEG make sense and is the configuration achievable using the specified parts?
Brief Explanation:
- Each site is to have servers with 2x 10Gb/s Ethernet (both teamed/bonded/etc) and one NIC on each of the 2x switches in the site (if possible). Each site will also have 2x Cisco Nexus 5596UP Switch (though the P version may be used instead of the UP).
- Two of the sites are within 10KM of the central site
- The last site is about 35KM from the central site
- It is required to have a minimum bandwidth of 10Gb/s between any site and the central site
- I have specified 10Gb/s LW SFP+ and 10Gb/s LW SFP+ (for the 2x 10KM and 1x 35KM sites)
- are there any special licenses needed?
- as asked before, can such a "simple" design work as-is?
- what sort of single-mode fiber would fit the bill (especially for the 40KM link) - 9nm?

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Cisco Switching/Routing :: X2-10GB-LR And Receive Power In 6500

May 1, 2012

We are having troubles getting a 10Gig interface to come up with a carrier... it shows down down.We are using X2-10GB-LR on a 6500 and SM fiber, distance to carrier hand off is about 90 feet.
According to: [URL]
The receiver power on a X2-10GB-LRis
Our carrier is sending at +5db. Currently the interface is down.
My question is; would the interface even come up if it is receiving a powerful signal?
Here is DOM output for our interface.

show interfaces transceiver detail
           Optical           High Alarm High Warn Low Warn   Low Alarm
           Transmit Power     Threshold   Threshold Threshold Threshold
Port       (dBm)             (dBm)       (dBm)     (dBm)     (dBm)

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Cisco Switching/Routing :: Possible To Do LACP Using 2 X 10GB Between 3750X / 2960S Switches

Sep 4, 2012

I need to know if is possible to do a LACP using  2 x 10GB between 3750X and 2960S (WS-C2960S-48LPD-L) switches.

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Cisco Switching/Routing :: Connect A WS-G5484 (4500) To X2-10GB-SR (6500)?

Jul 11, 2012

Could I connect a WS-G5484 (4500) to X2-10GB-SR (6500)?These two transceivers modules have 850 wavelenght, so it should work right?

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Cisco Switching/Routing :: WS-C2960S-24PD-L PoE+ 10Gb Switch Using 1Gb Uplink

Jan 24, 2013

I have configured about 20 of these switches now, and notice in the port listings a TE1/1//1 TE1/1/2 and GI1/1/1 GI1/1/2 uplink port. There are only two uplink SFP+ ports. I now have a reason to install with a 1Gb uplink to the Core. I am using a GLC-LH module at each end. I did configure the TE1/1/1 port for the uplink. Does not work though..Do I need to configure the two GI1/1/1 and 1/1/2 ports for uplink, remove the TE configuration for the uplink to work? Using the UNIVERSAL code with a LANBase license.

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Cisco Switching/Routing :: EtherChannel On 3750G-16TD-S And 3750x-48T-S With 10GB

Nov 20, 2011

Any experience with bundling a 10GB interface on a 3750G-16TD-S with a WS-C3750X-48T-S with a 10GB interface. I have worked with 5 different TAC engineers and so far I have not gotten an answer on why the switch will not let me bundle the 10GB with another 10GB interface.
Same switch Stack – not a cross stack.
Tried every configuration possible with no luck.   I originally thought it might be the stack-ring speed – I corrected that today and it is running at 32GB –
The only thing I can think of now is it might be a hardware limitation on the 3750G-16TD-S ?
Q. What performance of the 10 Gigabit Ethernet port on the Cisco Catalyst WS-C3750G-16TD switches?

A. The Ten Gigabit Ethernet uplink on the Cisco Catalyst WS-C3750G-16TD switches is 1.25:1 oversubscribed and provides maximum throughput of 8Gb/s.   –

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Cisco Switching/Routing :: 4506 - X2-10GB-SR Transceiver On Interface Ten1/1

Sep 22, 2011

I have a catalyst 4506 switch with one sup-engine WS-X45-SUP6 L-E, which consist of two X2-10GB-SR Transceiver( CISCO).IOS on the sup-engine is cat4500e-ipbase-mz.150-2.SG1.bin. IOS detected only one X2-10GB-SR Transceiver in Ten1/2. When I insert the X2-10GB-SR Transceiver in Ten1/1
C4K_GLMMAN-3-X2PLUGGABLESEEPROMREADFAILED: Failed to read seeprom on port Te1/1. Reinsert X2 m
But the problem is i need two X2-10GB-SR Transceiver for Uplink.

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