Getting Started Guide for Cisco UCS E-Series Servers, Release 1.0
Configuring Connection Between the Router and the E-Series Server
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Configuring Connection Between the Router and the E-Series Server

Configuring Connection Between the Router and the E-Series Server

This chapter includes the following sections:

Configuring an Internal Connection Between the Router and the E-Series Server

Use this configuration if you want the traffic to your application or operating system to flow through the router. To configure an internal connection between the router and the E-Series Server, you must configure these IP addresses:
  • For traffic to flow through the PCIe connection (see next figure), configure the following:
    • IP address of the router's internal PCIe interface that connects the router to the E-Series Server's GE0 interface.
    • IP address of the E-Series Server's GE0 interface.
  • For traffic to flow through the MGF connection (see next figure), configure the following:
    • IP address of the router's internal MGF VLAN interface.
    • IP address of the E-Series Server's GE1 interface.

The following figure shows the internal connection between the router and the E-Series Server.

Figure 1. Internal Connection Between the Router and the E-Series Server

Procedure
      Command or Action Purpose
    Step 1 Router> enable  

    Enters privileged EXEC mode on the host router. Enter your password if prompted.

     
    Step 2 Router# configure terminal  

    Enters global configuration mode on the host router.

     
    Step 3 Router (config)# interface ucse slot/0  

    Enters interface configuration mode for the router’s PCIe slot/0 interface.

     
    Step 4 Enter one of the following commands:
    • Router (config-if)# ip address router-to-e-series-server-interface-ip-address subnet mask
    • Router (config-if)# [ip unnumbered type number]
     

    The ip address command specifies the IP address of the router's internal PCIe interface that connects the router to the E-Series Server's GE0 interface. See figure above.

    • router-to-e-series-server-interface-ip-address—IP address of the interface that connects the router to the E-Series Server.
    • subnet-mask—Subnet mask to append to the IP address.

    or

    (Optional) The ip unnumbered command enables IP processing on an interface without assigning an explicit IP address to that interface.

    • type—Type of interface on which the router has an assigned IP address.
    • number—Number of the interface on which the router has an assigned IP address.
    Note   

    The unnumbered interface must be unique. It cannot be another unnumbered interface.

    Caution   

    The ip unnumbered command creates a point-to-point interface between devices. Broadcasting is not supported.

     
    Step 5 Router (config-if)# no shut  

    Causes the interface to be administratively up.

     
    Step 6 Router# exit  

    Returns to global configuration mode on the host router.

     
    Step 7  

    Use the server’s operating system to configure the E-Series Server’s GE0 interface. See figure above.

     
    Step 8 Router (config)# interface ucse slot/1  

    Enters interface configuration mode for the router’s MGF slot/1 VLAN interface. See figure above.

     
    Step 9 Router (config-if)# switchport mode trunk  

    Puts the port into permanent trunking mode. The default configuration is access mode.

     
    Step 10 Router (config-if)# [switchport trunk allowed vlan vlan-numbers]  

    (Optional) Allows trunking on the specified VLANs.

    • vlan-numbers—VLAN numbers on which to allow trunking.
     
    Step 11 Router (config)# exit  

    Returns to global configuration mode on the host router.

     
    Step 12 Router# configure terminal  

    Enters global configuration mode on the host router.

     
    Step 13 Router (config)# interface vlan vlan-number  

    Enters VLAN configuration mode for the specified VLAN number.

     
    Step 14 Router (config-if)# ip address vlan-ip-address subnet-mask  

    Specifies the IP address for the VLAN. See figure above.

    • vlan-ip-address—IP address of the VLAN.
    • subnet-mask—Subnet mask to append to the IP address.
     
    Step 15 Router (config-if)# no shut  

    Causes the interface to be administratively up.

     
    Step 16 Router# end  

    Returns to global configuration mode on the host router.

     
    Step 17  

    Use the server’s operating system to configure the E-Series Server’s GE1 interface. See figure above.

     
    Step 18 Router (config)# copy running-config startup-config  

    Saves the new running configuration of the router as the startup configuration.

     
    Step 19 Router (config)# show running-config  

    Displays the running configuration of the router so that you can verify the address configurations.

     

    This example shows how to configure an internal connection between the router and the E-Series Server.


    Note


    The IP addresses in this configuration example are for reference only and might not be valid.


    Router> enable
    Router# configure terminal
    
    Router(config)# interface ucse 1/0
    Router(config-if)# ip address 10.0.0.1 255.0.0.0
    Router(config-if)# no shut
    Router(config)# exit
    
    Use the server’s operating system to configure the E-Series Server’s GE0 interface
    
    Router(config)# interface ucse 1/1
    Router(config-if)# switchport mode trunk
    Router(config)# exit
    
    Router# configure terminal
    Router(config)# interface vlan 1
    Router(config-if)# ip address 20.0.0.1 255.255.255.0
    Router(config-if)# no shut
    Router(config)# end
    
    Use the server’s operating system to configure the E-Series Server’s GE1 interface.
    
    Router# copy running-config startup-config
    Router# show running-config
    
    

    Understanding Network Interface Mapping

    This section shows you how to determine the network interface mapping for the following devices:

    • E-Series Server's Console, GE1, GE2, and GE3 interfaces
    • NetXtreme II 1 Gigabit Server (PCIe Card)
    • NetXtreme II 10 Gigabit Server (PCIe Card)

    Determining Network Interface Mapping for the E-Series Server's Console, GE1, GE2, and GE3 Interfaces

    You can determine the port numbering of the E-Series Server by looking at the MAC addresses of the network interfaces. Note the following:

    • Lowest numbered MAC address corresponds to the router's Console interface.
    • Second lowest MAC address corresponds to the E-Series Server's GE1 interface.
    • Third lowest MAC address corresponds to the E-Series Server's GE2 interface.
    • Fourth lowest MAC address corresponds to the E-Series Server's GE3 interface.

    Note


    To determine the MAC address of an interface, see the Determining the MAC Address in Microsoft Windows, Linux, or VMware vSphere Hypervisor section, or the appropriate platform documentation.


    Determining the Interface Name and Port Mapping for the NetXtreme II 1 Gigabit Server

    To determine which interface name maps to which port number in the NetXtreme II 1 Gigabit Server (PCIe card) , do the following:
    1. Connect one end of a network cable to the PCIe card's network port 0. Connect the other end of the cable to a switch or a network device.
    2. From the host operating system, check the status of the interface to determine which interface is connected.
    3. Repeat Step 2 for ports 1, 2, and 3.

    Note


    For information about how to determine the status of the interface, see the appropriate operating system documentation.


    Determining the Interface Name and Port Mapping for the NetXtreme II 10 Gigabit Server


    Note


    Only one port is enabled in the NetXtreme II 10 Gigabit Server (PCIe card).


    To determine which interface name maps to which port number in the NetXtreme II 10 Gigabit Server (PCIe card), do the following:

    1. Connect one end of a network cable to the PCIe card's network port 0. Connect the other end of the cable to a switch or a network device.
    2. From the host operating system, check the status of the interface to determine which interface is connected.

    Note


    For information about how to determine the status of the interface, see the appropriate operating system documentation.


    Determining the MAC Address in Microsoft Windows, Linux, and VMware vSphere Hypervisor

    This section shows you how to determine the MAC addresses in Microsoft Windows, Linux, and VMware vSphere Hypervisor™.

    Determining the MAC Address in the Microsoft Windows Operating System

    To determine the MAC address of an interface in the Microsoft Windows operating systems, open a command window, and then enter the ipconfig /all command.

    Determining the MAC Address in the Linux Operating System

    To determine the MAC address of an interface in the Linux operating systems, open a terminal window, and then enter the ipconfig /all command.

    Determining the MAC Address in the VMware vSphere Hypervisor

    To determine the MAC address of an interface in the VMware vSphere Hypervisor™, do the following:

    1. In your web browser, enter the IP address that you configured to access CIMC during initial setup and then log into CIMC. The CIMC Home page, which is the Server Summary page, appears.
    2. From the Actions area of the Server Summary page, click the Launch KVM Console icon. The KVM Console opens in a separate window.
    3. From the KVM Console, click the KVM tab, and then do the following:
      • Press F2 to access the VMware vSphere Hypervisor™ DCUI customization menu. The DCUI login page appears.
      • Log into the DCUI. The System Customization page appears.
      • From the System Customization page, click Configure Management Network. The Configure Management Network page appears, which has several menu options, including Network Adapter. The Network Adapter menu option allows you to view the MAC address of the interfaces.