Caveats

This chapter describes open and resolved severity 1 and 2 caveats and select severity 3 caveats:

  • The “Open Caveats” sections list open caveats that apply to the current release and may apply to previous releases. A caveat that is open for a prior release and is still unresolved applies to all future releases until it is resolved.

  • The “Resolved Caveats” sections list caveats resolved in a specific release, but open in previous releases.

The bug IDs are sorted alphanumerically.


Note

The Caveats section includes the bug ID and a short description of the bug. For details on the symptoms, conditions, and workaround for a specific caveat you must use the Bug Search Tool.

Resolved Caveats – Cisco IOS XE Dublin 17.11.1a

Identifier

Headline

CSCwc80493

APS - K2 byte not reflecting proper value during LRDI and LAIS conditions.

CSCwd04198

A900-IMASER14A/S: when configurations are pasted in a specific order, line config is missing

CSCwc41115

APS 1+1 Uni - Tx K2 to reflect Rx K1 channel number

CSCwd26330

IMA3G does not generate FEBE’s when BPV, P-bit, C-bit error are detected on the T3 port

CSCwc79322

Memory leak on ptpd_uea process

CSCwc76004

Wrong timestamp in TWAMP test packet with PTP active

CSCwd90840

mcast data traffic is getting dropped over vpls

CSCwe27336

Error logs during reload in ASR920-24SZ-M variant

CSCwd28121

E1 loopback syslog and alarm reporting issues

CSCwd38074

Alarm reporting to IOS and L-bit propagation missing with STS1e-ct3-e1 mode

CSCwd48164

EVPN statd resource leak after protocol flaps

CSCwd44817

After router reload E1 framing gets changed to unframed in SDH VC12 mode with channe-group config

CSCwd11926

Need support for dual options in CLI for setting clock rate for x21

CSCwd16666

Only in 3GMS OC3 port with network loop Bert pattern is not syncing

CSCwd40951

CEM getting removed successfully even with wrong T1 number provided from same T3/E3

CSCwc77502

Unexpected reload due to MLDPv6

CSCwd67723

In IMA32D/IMA8D card, sometimes change in E1 controller config(after ctrlr flap)results in IM reboot

CSCwc84627

ASR-920-12SZ-IM goes continous reboot for a PCIE bus error

CSCwd78618

IMASER14A/S does not boot as expected.

CSCwd26357

rs485 with half-duplex configuration when reloaded, it gets into default full-duplex mode

Open Caveats – Cisco IOS XE Dublin 17.11.1a

Identifier

Headline

CSCwe42290

netconf intermittent connection issue due to checksum issue.

CSCwe34672

High CPU utilization on ptp_uea process

CSCwe54549

Unable to detect few SFPs.

CSCwe53791

EFP—Low throughput for rate step 900mbps+ when max-throughput command is disabled.

CSCwe38904

Frame loss seen for 64 bytes packet size for rate step 2333333/all kbps.

Cisco Bug Search Tool

Cisco Bug Search Tool (BST), the online successor to Bug Toolkit, is designed to improve effectiveness in network risk management and device troubleshooting. You can search for bugs based on product, release, and keyword, and aggregates key data such as bug details, product, and version. For more details on the tool, see the help page located at http://www.cisco.com/web/applicat/cbsshelp/help.html