Virtual Server Status ===================== Test Disabled Virtual Servers ----------------------------- In this task, you will disable and enable various virtual servers and note the behavior. Make sure you have two SSH sessions opened to the BIG-IP. - In window 1, have a tcpdump watching traffic to the **www_vs** virtual (**10.1.10.100**) - In window 2, go into TMSH Disable **www\_vs** from the **Virtual Server List** or from within the **www\_vs** GUI interface. Open **Local** **Traffic > Virtual Servers** and hover over status icons. From window 2 (TMSH) type:: show ltm virtual show ltm virtual www_vs *Q1. What is the Availability of* **www\_vs**\ *? What is the State?* *Q2. What symbol is used to represent* **www\_vs** *status?* *Q3. Would you expect browsing to* **http://10.1.10.100** *to work?* *Q4. Can you ping the virtual IP?* Clear virtual server stats and browse to **http://10.1.10.100** Observe the tcpdump (window 1) and connection statistics in the Virtual Server statics GUI interface. *Q5. Did the site work? What did the tcpdump show?* *Q6. Did statistics counters for any virtual server increment?* Establish ftp connection to **10.1.10.100** and ensure successful login. - Logon credentials are **root/default** Disable **ftp\_vs**. *Q10. Does ftp session still work? Why?* Open another window and establish ftp connection to **10.1.10.100**. *Q11. Did new ftp session establish connection? Why not?* .. WARNING:: Make sure all virtual servers are **Enabled** before continuing. Virtual Server Connection Limits and Status ------------------------------------------- In this task, you will set the connection limit for the FTP virtual server to 1 and note the status and behavior of different connection scenarios. Modify **ftp\_vs** for connection limit of **1**. The **Connection Limit** option can be found under the **Advanced** virtual server menu. Establish ftp connection to **10.1.10.100** and hold the logon open. *Q1. Does FTP session work?* *Q2. What is the virtual server symbol and status of* **ftp\_vs**\ **?** Open another window and establish a second ftp connection to **10.1.10.100**. *Q3. Did new ftp session establish connection? Why not?* *Q4. Did tcpdump capture a connection reset?* *Q5 Quit all FTP sessions and note* **ftp\_vs** *status.*