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Cisco Bug: CSCvs71519 - Switch reloads due to dhcp snooping

Last Modified

Sep 01, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

16.6.4

Description (partial)

Symptom:
Switch reloads due to segmentation failure when handling DHCP packet with CTS tag

Conditions:
fabric edge switches in SDA deployment acting as DHCP Relay Agent
==> therefore DHCP Snooping is enabled
==> therefore CTS is used for micro-segmentation

DHCP Offer is coming from L3LISP tunnel with CTS tag and going out via AccessTunnel
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