Cisco SCMS Subscriber Manager LEGs User Guide, Release 3.8.x
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Chapter: Installing the MPLS/VPN BGP LEG
Installing the MPLS/VPN Border Gateway Protocol Login Event Generator
Introduction
This chapter describes the process for installing and uninstalling the Subscriber Manager (SM) Multiprotocol Label Switching (MPLS)/Virtual Private Network (VPN) Border Gateway Protocol (BGP) Login Event Generator (LEG).
The SM MPLS/VPN BGP LEG is an external component that should be installed on the SM. The SM MPLS/VPN BGP LEG distribution is part of the SM LEG distribution.
The SM MPLS/VPN BGP LEG installation package includes a set of configuration files and the command-line utility (CLU).
The SM MPLS/VPN BGP LEG can be installed only on Red Hat Linux platforms.
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Installing the MPLS/VPN BGP LEG Software
•Adding a Veritas Cluster Server Resource to the BGP LEG
•Removing a VCS Resource from the BGP LEG
Package Contents
Table 28-1 describes the contents of the SM MPLS/VPN BGP LEG distribution package supplied by Cisco.
Installing the MPLS/VPN BGP LEG Software
Step 1 Copy the SM LEG distribution file to the SM machine and extract it with the gunzip command.
>gunzip SM_LEG_3.1.5_Bbbb.tar.gz
>tar -xvf SM_LEG_3.1.5_Bbbb.tar.gz
>cd bgp_leg
Step 2 Run the BGP LEG installation script.
#/install-bgp-leg.sh
The installation script automatically installs the SM MPLS/VPN BGP LEG on the SM and runs the OS specific definitions scripts according to your installation's operating system.
Note The installation script must run under root privileges.
Step 3 Add a VCS resource for the BGP LEG.
Adding a Veritas Cluster Server Resource to the BGP LEG
In a SM cluster topology, the Veritas Cluster Server (VCS) should monitor the BGP LEG process to verify that the process is running. To do so, you must configure the VCS with a resource that monitors and controls the LEG.
Step 1 Import the OnOnlyProcess agent's type from file: /opt/VRTSvcs/bin/OnOnlyProcess/OnOnlyProcess.cf.
Step 2 Add an OnOnlyProcess resource called "BGP_LEG" to the service group.
Step 3 Run the >ps -ea -o pid,s,args command via telnet on each one of the servers.
Step 4 Look for the line containing "bgpleg" in the text.
This line contains the path and arguments of the BGP LEG to be used in the next step.
Step 5 Define the OnlineCmd, PathName, and Arguments parameters:
•OnlineCmd—Type the BGP LEG start command, for example:
/opt/pcube/sm/server/bin/p3bgp --start
•PathName—Type the BGP LEG process path (from the previous step), for example:
/opt/pcube/sm/server/addons/bgpleg/bgpleg
•Arguments—Type the BGP LEG process arguments (from the previous step), for example:
-launch /opt/pcube/sm/server/root/config/p3bgpleg.cfg
Step 6 Click OK.
Figure 28-1 shows the Add Resource window:
Figure 28-1 Add VCS Resource Window
Note The arguments line might seem shorter than the actual full argument value, which is perfectly acceptable.
Removing a VCS Resource from the BGP LEG
Step 1 Right-click the BGP LEG resource icon you want to remove.
Step 2 From the drop-down list, choose Delete (Figure 28-2).
Figure 28-2 Removing a VCS Resource
Note The BGP LEG is inactivated if there are no VCS resources. To activate the BGP LEG, there must be at least one resource.
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