Guest

Preview Tool

Cisco Bug: CSCvh74803 - C9400: Chassis SYSTEM_SERIAL_NUMBER not available for iPXE boot

Last Modified

Feb 20, 2019

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

16.10.1

Description (partial)

Symptom:
When device sends a DHCP packet, it creates and sends the client-id using MAC_ADDR, SYSTEM_SERIAL_NUM, MODEL_NUM and lastly with the string iPXE to DHCP server. 
But in case of C9400, the SYSTEM_SERIAL_NUMBER is empty. If the DHCP server is configured to use only the SYSTEM_SERIAL_NUM, it will be unable to identify the client.

Conditions:
Catalyst 9400: DHCP request from C9400 SUP (both SUP in case of redundant systems) while coming up and network booting over iPXE is configured.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.