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Cisco Bug: CSCum00469 - DHCPD process crashed after RELAY configuration & receiving a broadcast

Last Modified

May 13, 2018

Products (15)

  • Cisco Carrier Routing System
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-3 Multishelf System
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco IOS XR Software
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco CRS-3 8-Slot Single-Shelf System
  • Cisco CRS-1 Fabric Card Chassis
  • Cisco CRS-3 16-Slot Single-Shelf System
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Known Affected Releases


Description (partial)

A frequent dhcpd crash may be observed on a Cisco CRS and XR12k with IOS-XR 4.3.x and 5.1.1.

Whenever DHCP tries to send out a packet towards the access side, it  may assert a dhcpd crash.
The probability of DHCP sending packet depends on the packet reception and configuration.
If the device is supposed to be a DHCP relay/proxy, then crash happens very often as the incoming DHCP packets rate will be high.
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Bug Details Include

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