FAQ（ECL1.0）

Network - FAQ

• All(15)

• Can we change server segment NW address and subnet mask after deployment?Network

  No, you can't modify server segment NW address and subnet mask after deployment. You need to delete the segment and recreate it.

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• Is it possible to use Colocation Interconnectivity(CIC) and Service Interconnect Gateway(SIG) at the same time?Network

  The same segment can be used for CIC and SIG at the same time. However, please be careful not to use the same addresses.

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• Can we connect Colocation Interconnectivity(CIC) to 2 ports of the same L2 switch?Network

  Yes, you can connect it to 2 ports of the same L2 switch.
  But please avoid to make loop topology and configured as Act/Stb switch.

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• When using redundancy connections in Colocation Interconnectivity(CIC), what kind of settings are required for us to do?Network

  If selected redundancy option requires control frame, please send us tagged Vlan ID from range of 2-4094 which you have specified. Furthermore, kindly check availability of devices you have prepared.

  We are conducting connection check to Cisco products of PVST+, Rapid PVST+, and Flex Link. However, connectivity check service only covers a part of IOS version [12.2(53)SE2] that it does not guarantee all the IOS connectivity. Also, untagged control frame used in STP (IEEE802.1d) will be abolished; which do not manage.

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• In Colocation Interconnectivity(CIC) instruction, it says “2 physical cables are available per link for redundancy purpose”, but, could we only plug 1 cable into our side of switches?Network

  We insist that you plug both 2 cables into your devices to avoid any risks of service down that could occur to unplugged one.

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• Can we terminate Colocation Interconnectivity(CIC) in Layer3 switch?Network

  Yes, you can terminate in Layer3 switch.
  But please avoid to make loop topology and configured as Act/Stb of Layer3 switch.

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• I sent Ping packets from a VPN site to the ECL 1.0 vFirewall, but it fails. Why is this?Network

  Please check the filters along the path whether Ping packets are not filtered on vFirewall, etc.
  Also, please check the static route setup on vFirewall whether a route for the return traffic to the source IP address is configured.

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• I am using Red Hat Enterprise Linux Server 5 / 6 or later and why does my VMware Tools not start?Network

  Kernel update may be the problem.
  Please log in to guest OS and execute the commands below.

  #/usr/bin/vmware-config-tools.pl
  

  Ex.

  [root@localhost ~]# /usr/bin/vmware-config-tools.pl
  Initializing...
  Making sure services for VMware Tools are stopped.
  vmware-tools stop/waiting
  [EXPERIMENTAL] The VMware FileSystem Sync Driver (vmsync) is a new feature that
  creates backups of virtual machines. Please refer to the VMware Knowledge Base
  for more details on this capability. Do you wish to enable this feature?
  [no]
  Found a compatible pre-built module for vmsync. Installing it...
  Found a compatible pre-built module for vmci. Installing it...
  Found a compatible pre-built module for vsock. Installing it...
  The module vmxnet3 has already been installed on this system by another
  installer or package and will not be modified by this installer. Use the flag
  --clobber-kernel-modules=vmxnet3 to override.
  The module pvscsi has already been installed on this system by another
  installer or package and will not be modified by this installer. Use the flag
  --clobber-kernel-modules=pvscsi to override.
  The module vmmemctl has already been installed on this system by another
  installer or package and will not be modified by this installer. Use the flag
  --clobber-kernel-modules=vmmemctl to override.
  The VMware Host-Guest Filesystem allows for shared folders between the host OS
  and the guest OS in a Fusion or Workstation virtual environment. Do you wish
  to enable this feature? [yes]
  Found a compatible pre-built module for vmhgfs. Installing it...
  Found a compatible pre-built module for vmxnet. Installing it...
  The vmblock enables dragging or copying files between host and guest in a
  Fusion or Workstation virtual environment. Do you wish to enable this feature?
  [no]
  Found a compatible pre-built module for vmblock. Installing it...
  No X install found.
  Creating a new initrd boot image for the kernel.
  vmware-tools start/running
  The configuration of VMware Tools 8.6.10 build-913593 for Linux for this
  running kernel completed successfully.
  You must restart your X session before any mouse or graphics changes take
  effect.
  You can now run VMware Tools by invoking "/usr/bin/vmware-toolbox-cmd" from the
  command line or by invoking "/usr/bin/vmware-toolbox" from the command line
  during an X server session.
  To enable advanced X features (e.g., guest resolution fit, drag and drop, and
  file and text copy/paste), you will need to do one (or more) of the following:
  1. Manually start /usr/bin/vmware-user
  2. Log out and log back into your desktop session; and,
  3. Restart your X session.
  Enjoy,
  --the VMware team
  

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• I am currently using VPN service; can I switch to the Customer Portal available VPN Connectivity service?Network

  Yes, you can.
  Upon switching services, you need to go through the procedures below.

  1. Elimination process of the VPN Connectivity you are currently using.
  2. Additional application to the Customer Portal available VPN Connectivity.

  Please note that there is an interval where the service will be unavailable upon switching services.

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• What are the DNS servers I can use?Network

  We request that each Customer prepares their own DNS server.

  Note: As the default DNS server referred to in the guest OS settings is unusable, we ask you to change this value to that of your desired DNS server.

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