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Box293
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Enthusiast

How do I observe current and past traffic history?

We have been using VMware vCloud Networking and Security in our test and dev environment and will be implementing this into production soon. I am still unsure how I can observe current and past traffic history for troubleshooting purposes.

Specifically I am talking about a vShield Edge that I have deployed.

Let me use Microsoft ISA Server 2006 as an example of what I am talking about.

  • I can open ISA Server Management MMC
  • In here I can go to Monitoring > Logging
  • For current traffic observation
    • I can define a query with criteria such a Client IP and Log Time = Live
    • I can then watch this live log as I attempt to reproduce the client issue I am having which helps me diagnose things like "oh I need to open that port"
  • For past traffic history
    • I can define a query with criteria such a Client IP and Log Time = Specific Time Period
    • I can then read through the logs for this specific time period to help me diagnose the issue that was reported to me\

How can I perform this functionality on a vShield Edge?

I currently have deployed vShield Mananger 5.1.1-848085 which has been used to deploy the vShield Edge into our test and dev environment.

VCP3 & VCP4 32846 VSP4 VTSP4
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Box293
Enthusiast
Enthusiast

Looks this functionality doesn't exactly exist right now.

Here are some options:

SYSLOG Server

  • Poing the vShield appliance at a SYSLOG server
  • Allows you to look back in time
  • Requires you to setup a syslog server if you don't have one

SSH to vShield appliance

  • Here you can watch network traffic in action
  • Using commands like:
    • show flowtable flowspec srcip=192.168.175.78
      • Only shows you live traffic, does not show you history
    • show log follow
      • Shows live traffic as it happens
    • show log
      • Lets you see what has happened in the past
    • using these log commands requires that the firewall rules have logging enabled

Would like to know of any other methods that can be used.

VCP3 & VCP4 32846 VSP4 VTSP4
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