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Asset ID: 1-71-2195856.1
Update Date:2016-10-21
Keywords:

Solution Type  Technical Instruction Sure

Solution  2195856.1 :   How to Configure DSCP (Differentiated Services Code Point) Packet Marking in SPR  


Related Items
  • Oracle Communications Subscriber Data Management (SDM)
  •  
Related Categories
  • PLA-Support>Sun Systems>CommsGBU>Broadband Network Solutions>SN-SND: Tekelec SDM
  •  




In this Document
Goal
Solution


Created from <SR 3-13400314571>

Applies to:

Oracle Communications Subscriber Data Management (SDM) - Version SDM 9.0 and later
Tekelec

Goal

 The SPR product does not directly support DSCP (Differentiated Services Code Point) Packet Marking. DSCP (Differentiated Services Code Point) Packet Marking can be implemented from a customer standpoint by using IPTABLES.

This procedure is provided to customers to show how DSCP (Differentiated Services Code Point) Packet Marking can be configured for SPR.  However, it's important to note that DSCP Packet Marking issues is not supported by Oracle Support.  Should customers elect to implement this, they are recommended to fully test in lab scenario before implementing this in your production network.

Solution

DSCP (Differentiated Services Code Point) Packet Marking Procedure on Oracle SDM Product

1. Collect SPR TCP dump to compare before and after DSCP packet marking procedure..

 TCP DUMP 1

2. Take console output of " service iptables status " and take the backup/details for customer iptables rules in the event the changes are to be rolled back.

3. Run the following command to enable DSCP in IPTABLES:

iptables -t mangle -A POSTROUTING -j DSCP --set-dscp 48
iptables -t mangle -A PREROUTING -j DSCP --set-dscp 48

4. Run " service iptables status " and check DSCP configured. Below is an example: 

Table: mangle
Chain PREROUTING (policy ACCEPT)
num target prot opt source destination
1 DSCP all -- 0.0.0.0/0 0.0.0.0/0 DSCP set 0x30

Chain POSTROUTING (policy ACCEPT)
num target prot opt source destination
1 DSCP all -- 0.0.0.0/0 0.0.0.0/0 DSCP set 0x30

5. Save the changes by executing the following command.

service iptables save

6. Collect new TCP dump on SPR and validate DSCP Packet Marking is present in SPR packets.

 TCP DUMP 2


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