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Cisco CSR 1000v Troubleshooting Manual
Cisco CSR 1000v Troubleshooting Manual

Cisco CSR 1000v Troubleshooting Manual

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Troubleshooting Cisco CSR 1000v VM Issues
Verifying the Cisco CSR 1000v Hardware and VM Requirements
To help troubleshoot issues with the Cisco CSR 1000v, make sure that the router is installed on supported
hardware and that the VM requirements are being met:
• Verify that the server hardware is supported by the hypervisor vendor.
• Verify that the I/O devices (for example, FC, iSCSI, SAS) being used are supported by the VM vendor.
• Verify that sufficient RAM is allocated on the server for the VMs and the hypervisor host.
• Verify the hypervisor version is supported by the Cisco CSR 1000v.
• Verify that the correct VM settings for the amount of memory, number of CPUs, and disk size are
• Verify that the vNICs are configured using a supported network driver. See
Also see
Troubleshooting Network Connectivity Issues
To troubleshoot network connectivity issues for the Cisco CSR 1000v, do the following:
• Verify that there is an active and unexpired license installed on the VM.
Enter the show license command. The License State should be shown as "Active, In Use".
• Verify that the vNIC for the VMs are connected to the correct physical NIC, or to the proper vSwitch.
Verifying the Cisco CSR 1000v Hardware and VM Requirements, on page 1
Troubleshooting Network Connectivity Issues, on page 1
Troubleshooting VM Performance Issues, on page 2
If using VMware, verify that the server is listed on the VMware Hardware Compatibility List. See the
VMware documentation for more information.
If using VMware, make sure the server has enough RAM to support both the VMs and VMware ESXi.
configured.
Cisco CSR 1000v Release
Notes.
Troubleshooting Cisco CSR 1000v VM Issues
Installation
Overview.
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Summary of Contents for Cisco CSR 1000v

  • Page 1 Troubleshooting VM Performance Issues, on page 2 Verifying the Cisco CSR 1000v Hardware and VM Requirements To help troubleshoot issues with the Cisco CSR 1000v, make sure that the router is installed on supported hardware and that the VM requirements are being met: •...
  • Page 2 If a given VM does not have enough memory to support the Cisco CSR 1000v, increase the size of the VM’s memory. Insufficient memory on the VM or the host can cause the Cisco CSR 1000v console to hang and be non-responsive.
  • Page 3 Some x86 processors support instruction extensions for performing certain cryptographic transforms. Using these instructions is more efficient than not using them. The Cisco CSR 1000v/ISRv detects at runtime if the instruction extensions are available and will use them if they are available. To determine if the extensions are available, enter the show platform software system all command.
  • Page 4 Troubleshooting Cisco CSR 1000v VM Issues Troubleshooting Instruction Extensions Troubleshooting Cisco CSR 1000v VM Issues...