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 Bengaluru 17.4.2

Caveat ID Number

Description

CSCvu99207

Router: Incorrect STP forwarding state programming in platform.

CSCvw82303

Support for multicast route leaking in native multicast

CSCvw85511

BDI interface is causing high cpu usage.

CSCvw93411

Interface counters not incrementing after 2yrs, 22+ weeks on ASR920-24SZ-M variant

CSCvx01642

PPPoE tag circuit-id remote-id should not be trusted if the interface is in untrusted mode

CSCvx24923

HS1 2.43 FPGA commit for reload/brom select issue

CSCvx41010

Failed to marshal xcvr_sync message: Bad address

CSCvx55831

Ingress Policy with set qos-group action is creating extra TCAM entry with match on Egress Policy

CSCvx99501

Wrong snmp traps are generated for high voltage threshold violations

CSCvr43362

ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router

Resolved Caveats – Cisco IOS XE Bengaluru 17.4.2 - Platform Independent

Caveat ID Number

Description

CSCvv79677

Router crashed after BGP flaps

CSCvx19209

ISIS crash in isis_sr_tilfa_compute_protection

CSCvx26650

On configuring route tag under ISIS, TI-lFA is not forming repair path

Open Caveats – Cisco IOS XE Bengaluru 17.4.2

There are no open caveats for this release.

Resolved Caveats – Cisco IOS XE Bengaluru 17.4.1

Caveat ID Number

Description

CSCvk22965

Bulk License "Out of Compliance" support

CSCvs34482

ISSU is not working on Cisco ASR 900 RSP2 nodes

CSCvt33153
Traceback is seen with the following message: 
mroute_stats_update

CSCvt69921

RSP2-128: CMAND core during SSO

CSCvt75327

v1731: Traffic is not seen after performing SSO in Imsg_Mix mode

CSCvt76674

ASR920 : Last reload reason should refelect Rommon_upgrade

CSCvt76777

Adj err obj is seen on removing sr-label-preferred

CSCvt92428

RSP2-128: Step by Step ISSU CMD is not working

CSCvt93010

Traffic drop is seen after Kernel log messages are seen while shut or no shut on Phy/BDI interfaces

CSCvu06547

Require varbind entSensorseveriry along with trap entSensorThresholdNotification

CSCvu13886

v174: Card protection performs shut or no shut on the CPG STS-1e, SLOS alarm is observed on the peer device

CSCvu29991

Historic performance intervals are not present for STS-1e interfaces in the command and SNMP MIB

CSCvu38550

For VCOP configured with type DS3, applique type should be Subrate T3 instead of Channelized T3/T1

CSCvu45833

ISSU: 1612-173: CEM Ckt is stuck at Setup Failed

CSCvu47732

Cisco ASR-920-12SZ-A and Cisco ASR-920-12SZ-D and Cisco ASR-920-20SZ-M: Bundle 1.40 FPGA and support for macronix SPI flash

CSCvu49097

Ports on ASR920-12SZ-D do not come up when 1G SFPs are used

CSCvu51472

Support for SAToP payload 64 byte and dejitter 2 ms in LOTR IMs

CSCvu59602

17.3.1-with transform-set esp-aes complete traffic drop seen after doing "clear crypto session"

CSCvu66126

OC-192 APS group is stuck with signal Fail condition

CSCvu78801

PPPoE VSA tags get overwritten at each PPPoE IA

CSCvu83291

ASR 920 cylon_mgr memory leak is observed due to QoS policer

CSCvu89908

Crash is observed while doing clear crypto session soak run

CSCvu95940

Egress QoS policy configuration is missing on PoCh member link flap

CSCvu92363

SSD: harddisk is full but received %PLATFORM-1-NOSPACE: bootflash : no space alarm assert

CSCvu97954

MAC flaps are observed when using VPLS over backup pseudowire configuration

CSCvu97978

XE BIT : Cisco ASR 900 RSP2 node is crashed with core generation in 16.12 throttle

CSCvv01146

ASR920: Secure bootflash from removal

CSCvv16454

Traffic failure occurs due to MPLS ECMP load-balancing in one of the labelled path

CSCvv24059

RSP2-128 mgr crash is noticed on Cisco ASR 900 RSP when EMPLSINTD is exhausted

CSCvv31617

e2e circuit does not ping, serial interface is up and line protocol is up

CSCvr43362

ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router

Open Caveats – Cisco IOS XE Bengaluru 17.4.1

Caveat ID Number

Description

CSCvv87440

Clock class 6 is advertised immediately on T-GM connection restore

CSCvv72192

When IMA2Z IM, XFP and SFP+ are present and then XFP is removed, LED still shows as green

CSCvw34109

PTP RX failure is observed due to LSMPI buffer exhaustion

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