Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Dublin 17.12.x

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Open Caveats in Cisco IOS XE Dublin 17.12.x


Identifier	Headline
CSCwh35728	Need switch to host macsec support in Sda overlay network
CSCwi69005	C9300 switch unexpectedly reloads due to FNF/SWC causing FED to crash

Resolved Caveats in Cisco IOS XE Dublin 17.12.4


Identifier	Applicable Models	Headline
CSCwi70932	C9300	POE POST failure on C9300LM switches after a power outage

Resolved Caveats in Cisco IOS XE Dublin 17.12.3


Identifier	Applicable Models	Headline
CSCwi05972	C9300	9300: Inaccurate Hotspot Temperature Reading and Unexpected Reboot Trigger
CSCwi35710	C9300	Interface on C9300X-12Y/24Y remains down when configured with speed nonegotiate
CSCwh91517	C9300X	C9300X Might Reboot after Upgrading to IOS-XE 17.12.2
CSCwi59993	C9300	Memory leak due to pubd process when connection is terminated from the receiver side
CSCwh91796	C9300	BUM not forwarding while the L2 vni is down
CSCwi06404	C9300	PKI crash after failing a CRL Fetch
CSCwi14539	C9300	Increase UDLD extending hold timer from 90 seconds to 120 seconds

Resolved Caveats in Cisco IOS XE Dublin 17.12.2


Identifier	Applicable Models	Headline
CSCwh87343	All models	Cisco IOS XE Software Web UI Privilege Escalation Vulnerability For more information, see Security Advisory: cisco-sa-iosxe-webui-privesc-j22SaA4z.
CSCwe35651	All models	False hotspot temperature alerts indicating RED threshold has been exceeded
CSCwh51416	C9300LM	C9300LM - GLC-TE is not working
CSCwh24851	C9300L	Catalyst 9300L switch reports Stack Adapter Authentication Failure
CSCwh10596	All models	High CPU observed in Fed main after switchover

Resolved Caveats in Cisco IOS XE Dublin 17.12.1


Identifier	Headline
CSCwd99665	(C9300L) C9300L-48UXG-4X: TMPFS leak due to excessive logging to debug_logging_file

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Book Title

Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Dublin 17.12.x

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Caveats

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Chapter: Caveats