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Cisco Bug: CSCte81704 - No ARP reply if "no glbp load-balancing" and AVG is not an AVF

Last Modified

Mar 02, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(24)T1 15.0(1)M1

Description (partial)

Symptom:

 If "no glbp <n> load-balancing" is configured on a GLBP group and the Active Virtual Gateway (AVG) is not also an Actvie Virtual Forwarder, the AVG will not reply to ARP requests for the Virtual IP Address.

Conditions:

!
interface Ethernet0/0
 ...
 no glbp 1 load-balancing
 ...
end

router#sh glbp brief
Interface   Grp  Fwd Pri State    Address         Active router   Standby router
Et0/0       1    -   115 Active   10.111.3.5      local           10.111.3.8 <--- AVG
Et0/0       1    1   -   Listen   0007.b400.0101  10.111.3.8      -          <--- Not an AVF
Et0/0       1    2   -   Listen   0007.b400.0102  10.111.3.8      -
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