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    Configuring Resource Thresholds on a 3G Network

    You configure a resource threshold profile to ensure that when the bearer load, system load, CPU load, or memory load at the access point name (APN) or system level on the MobileNext Broadband Gateway reaches a configured threshold, only Create Session requests that meet or exceed the configured allocation and retention priority (ARP) value are accepted.

    To configure a resource threshold profile:

    1. Specify a name for the resource threshold.
      [edit unified-edge cos-cac]user@host# edit resource-threshold-profiles resource-threshold-1
    2. Configure lower and upper thresholds for the system load and ARP priority level:
      1. Configure a lower limit for the system load. The following configuration specifies that when the system load exceeds 70 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 3 are accepted.
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 system-load low]user@host# set percentage 70 user@host# set gtpv1-arp 3
      2. Configure an upper limit for the system load. The following configuration specifies that when the system load exceeds 85 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 2 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 system-load low]user@host# set percentage 85 user@host# set gtpv1-arp 2
    3. Configure lower and upper thresholds for the bearer load and ARP priority level:
      1. Configure a lower threshold for the bearer load. The following configuration specifies that when the number of bearers exceeds 70 percent of the maximum bearers allowed, only Create Session requests with a higher priority ARP than 3 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 bearers-load low]user@host# set percentage 70 user@host# set gtpv1-arp 3
      2. Configure an upper threshold for the bearer load. The following configuration specifies that when the number of bearers exceeds 85 percent, only Create Session requests with a higher priority ARP than 2 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 bearers-load high]user@host# set percentage 85 user@host# set gtpv1-arp 2
    4. Configure lower and upper thresholds for the CPU load and ARP level:
      1. Configure a lower limit for the CPU load. The following configuration specifies that when the memory load exceeds 70 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 3 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 cpu low]user@host# set percentage 70 user@host# set gtpv1-arp 3
      2. Configure an upper limit for the CPU load. The following configuration specifies that when the CPU load exceeds 85 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 2 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 cpu high]user@host# set percentage 85 user@host# set gtpv1-arp 2
    5. Configure lower and upper memory thresholds and the bearer priority for the memory load:
      1. Configure a lower limit for the memory load. The following configuration specifies that when the memory usage exceeds 70 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 3 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 memory low]user@host# set percentage 70 user@host# set gtpv1-arp 3
      2. Configure an upper limit for the memory load. The following configuration specifies that when the memory usage exceeds 85 percent of the maximum threshold, only Create Session requests with a higher priority ARP than 2 are accepted:
        [edit unified-edge cos-cac resource-threshold-profiles resource-threshold-1 memory high]user@host# set percentage 85 user@host# set gtpv1-arp 2

    Published: 2011-11-17