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Cisco Bug: CSCur72095 - ASR9K doesn't relay OFFER messages with broadcase policy check flag.

Last Modified

Sep 12, 2019

Products (7)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

In this case we can observe initial arp entry is installed after the first OFFER arrives from the server. After 5 minutes it goes into "probe" state and  OFFERs are still arriving on the ASR9K, but ARP entry doesn't get renewed by OFFER messages.

1. We have DHCP relay configured with broadcast policy check flag
2. Client is sending DISCOVERs constantly, but cannot get an ip address for some reason.
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Bug Details Include

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