Bug ID 652094: Improve traffic disaggregation for uncommon IP protocols

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.3

Opened: Mar 17, 2017

Severity: 2-Critical

Related Article: K49190243

Symptoms

The traffic of uncommon IP protocols on VLAN running default DAG is sent to one TMM by default.

Impact

Traffic for uncommon IP protocols not distributed evenly among available processing units.

Conditions

Traffic of uncommon IP protocols on VLAN configured with default DAG.

Workaround

None.

Fix Information

The system now correctly distributes traffic for uncommon IP protocols based on src IP and dest IP. The traffic of uncommon IP protocols on VLAN running default DAG is sent to one TMM by default. This DAG enhancement allows the default DAG to disaggregate traffic of uncommon IP protocols based on src IP and dest IP. Two more DB variables are added to control DAG behavior for uncommon IP protocols. ipproto.lookupip: enable/disable (default) ah.lookupip: enable/disable (default) Setting ipproto.lookupip to enable will disaggregate uncommon IP protocols based on src IP and dest IP. DB ipproto.lookupip applies to all IP protocols except for TCP, UDP, SCTP, IGMP, AH, ESP, GRE, ICMP, ICMPv6. Setting ah.lookupip to enable will disaggregate AH traffic based on src IP and dest IP.

Behavior Change

The traffic of uncommon IP protocols on VLAN running default DAG is sent to one TMM by default. This DAG enhancement allows the default DAG to disaggregate traffic of uncommon IP protocols based on src IP and dest IP. Two more DB variables are added to control DAG behavior for uncommon IP protocols. ipproto.lookupip: enable/disable (default) ah.lookupip: enable/disable (default) Setting ipproto.lookupip to enable will disaggregate uncommon IP protocols based on src IP and dest IP. DB ipproto.lookupip applies to all IP protocols except for TCP, UDP, SCTP, IGMP, AH, ESP, GRE, ICMP, ICMPv6. Setting ah.lookupip to enable will disaggregate AH traffic based on src IP and dest IP.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips