F5 Virtual Server Types - TMOS 201 Flashcards
What is a Standard virtual server?
A Standard virtual server directs client traffic to a load balancing pool and is the most basic type of virtual server.
What is a Forwarding Layer 2 virtual server?
A Forwarding (Layer 2) virtual server typically shares the same IP address as a node in an associated Virtual Local Area Network (VLAN). A Forwarding (Layer 2) virtual server is used in conjunction with a VLAN group.
The FastL4 profile is used under this virtual server type.
What is a Forwarding (IP) virtual server?
A Forwarding (IP) virtual server forwards packets directly to the destination IP address specified in the client request. A Forwarding (IP) virtual server has no pool members to load balance.
What is a Performance Layer 4 virtual server?
A Performance (Layer 4) virtual server has a FastL4 profile associated with it. A Performance (Layer 4) virtual server increases the speed at which the virtual server processes packets.
What is a Performance HTTP virtual server?
A Performance (HTTP) virtual server has a Fast HTTP profile associated with it. The Performance (HTTP) virtual server and related profile increase the speed at which the virtual server processes HTTP requests.
What is a Stateless virtual server?
A Stateless virtual server improves the performance of User Datagram Protocol (UDP) traffic in specific scenarios.
What is a Reject virtual server?
A Reject virtual server rejects any traffic destined for the virtual server IP address.
What is a DHCP virtual server?
A DHCP virtual server relays Dynamic Host Configuration Protocol (DHCP) client requests for an IP address to one or more DHCP servers, and provides DHCP server responses with an available IP address for the client.
What is an Internal virtual server?
An Internal virtual server enables usage of Internet Content Adaptation Protocol (ICAP) servers to modify HTTP requests and responses by creating and applying an ICAP profile and adding Request Adapt or Response Adapt profiles to the virtual server.
What is a Message Routing virtual server?
A Message Routing virtual server routes messages between connections for various application protocols and functions in accordance with the respective protocol session profile and router profile. The supported protocols include:
Session Initiation Protocol (SIP)
Diameter
Message Queuing Telemetry Transport (MQTT) (supported in BIG-IP 14.0.0 and later)
How do you specify what the type of virtual server in the config?
Local Traffic > Virtual Server > Virtual Server List > <virtual_server>
Under type, choose the type. Example is standard, forwarding, reject, etc.</virtual_server>
What is the order of precedence to choose the correct virtual server based on the vs destination ip/port?
1) vip ip and port
2) vip ip and * (any port)
3) network address (subnet) and port
4) network address (subnet) and *
What type of application profile is needed when configuring a Performance HTTP virtual server?
Fast HTTP
