IBM Support

IT26554: ARP RESPONSES MIGHT BE RANDOMLY DELAYED IF MORE THAN ONE VIP EXISTS INSAME SUBNET

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • In a configuration with more than one VIP in same subnet, the
    user observed ARP requests might not be honored / ARP responses
    suffering random delays, giving impression DataPower is not
    responding to traffic.
    

Local fix

  • Retrying the ARP Request multiple times will return response.
    

Problem summary

  • The fix makes sure a multicast ARP packet is checked against all
    valid interfaces.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT26554

  • Reported component name

    DATAPOWER

  • Reported component ID

    DP1234567

  • Reported release

    760

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-10-09

  • Closed date

    2018-11-29

  • Last modified date

    2018-12-05

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    DATAPOWER

  • Fixed component ID

    DP1234567

Applicable component levels

  • R760 PSY

       UP

  • R770 PSY

       UP



Document information

More support for: IBM DataPower Gateways
General

Software version: 760

Reference #: IT26554

Modified date: 05 December 2018