Server Networking

Hello,In 40G QSFP transceivers data sheet, regarding SFP-40G-SR4, Cisco wrote:  "It can also be used in a 4x10G mode for interoperability with 10GBASE-SR interfaces up to 100m and 150m on OM3 and OM4 fibers, respectively."So, can i connect Nexus 5572...

I'd like to generate a test SYSLOG message with having to resort to activities like disabling/enabling an interface.  The IOS command "send log" can be used in those platforms.  Is there a corollary command in NX-OS?

Hello,What are the default parameter values for Queue Depth & I/O Throttle running Windows with fNIC/VIC?I know they aren't tunable for Windows as they are not mentioned here:http://www.cisco.com/c/dam/en/us/solutions/collateral/data-center-virtualiz...

Hello All, I have issue in cisco asa.  Build traffic   - DMZ1 --> INTRANET (PBR) Return traffic - INTRANET(PBR) --> DMZ1 ( err : Routing failed to locate next-hop for protocol.... )  PBR says all traffic goes to DMZ1 gateway(10.192.154.1) for eg : wh...

Is it possible to create a shared uplink set between 2 HP VC FlexFabric 10Gb/24-Port Module connecting to 2 Cisco 4500-Xs in VSS (total of 4 links)?  Traditionally I've been created 1 SUS for each VC going into Cisco Nexus 5Ks.  Each SUS is active/ac...

What does the X change other than 4k in price difference? I can't find any difference between the child parts, and the datasheets don't detail the difference and the part number descriptions are exactly the same. I have a lot of questions like this a...

Hi all, i'm in a migration path from and old 65K infrastructure to a new one with Nexus 9000. The datacenter network has only one single Cisco Nexus switch that connect to a couple of ASA 5585 in A\S configuration. What should be the best way to con...

This bugs also exist in Cisco 2911 running  IOS  version 15.4(1)T3 which severely degrade overall network performance and created unnecessary packet fragmentation and wasted massive 30% bandwidth. As the result, this bugs under worst case scenario i...

Hi, we're moving to a new data center and will be upgrading to an ASA 5506.Given that switchport functionality present in the 5505 has for some reason been removed in the 5506, it seems that we need an L2 switch thrown into the mix. Fair enough, woul...

I have a customer with a bunch of N4001i blade switches. They are all running either 4.1(2)E1(1h) or (1g). They upgraded to DCNM 6.1.1a. Within a few minutes all of the N4Ks crashed.This is what was gleaned from a sh ver:Reason: Reset triggered due t...

Hi, I'm trying to use the aRFS (Accelerated receive flow steering) option on a 1227 VIC installed in a C220M4 server running Linux. I did the following steps: 1. Enable aRFS in CMIC & reboot 2. Run ethtool to enable "ntuple filters": ethtool -k eth...

I know that in order to connect the 2348TQ (6x40G uplink) to the 9372PX I need to use breakout cables with appropriate SFPs.  My question is, is there any configuration to be done in order for the 2348 uplinks to work in this mode.  Can I just create...

I'm late to this project, short deadline and no real experience with the hardware.  Typical story :) I've had zero exposure to UCS and Nexus but I have a good understanding of IOS switching.  I'm confused as to why the existing solution connects the ...

I have two Nexus 9504 with a x9464 line card and two Nexus 9372-px-e Im using a QSFP twinax to connect one Nexus 9504 with one Nexus 9372 but the link shows not conected. I tried the connection between two Nexus 9504 with the same twinax and it wor...

Dear UCS Experts, Recently We purchased Cisco UCS-240 M4 Server and installed 3X600GB SAS HDD with Cisco 12G SAS Modular RAID Controller. I Could not find RAID 5 while Configuring RAID Controller in Cisco Storage Management Console.  I found Only R...