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 Amsterdam 17.3.8a

Identifier

Headline

CSCwh87343

Cisco IOS XE Software Web UI Privilege Escalation Vulnerability

Open Caveats – Cisco IOS XE Amsterdam 17.3.8a

There are no open caveats in this release.

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.8

There are no resolved caveats in this release.

Open Caveats – Cisco IOS XE Amsterdam 17.3.8

There are no open caveats in this release.

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.7

Identifier

Headline

CSCvz73321

PEGM/RSP2: Rommon and fpga upgrade synchronization during autoupgrade

CSCwa29664

BGP neighbor cannot up with bfd strict-mode configured

CSCvy09725

Software solution to detect the BAD PSU

Open Caveats – Cisco IOS XE Amsterdam 17.3.7

Identifier

Headline

CSCvy81362

ASR920: Controllers are down due to LP-LOP alarm After CE reboots

CSCwb60002

ASR900 may experience an unexpected reset when configuring or using interface BDI >= 4097

CSCwb75983

BFD Session with authentication with 16 or more characters remains down

CSCwa30653

MVPN Profile 14 : Data MDT traffic not flowing with 2 paths when OSPF cost configured on 1 path

CSCwb77396

G.8032: Ring brief output doesnt display the Block port flag in Idle state

CSCwc58616

Mac learning not happening for TRUNK EFP BDs associated with VPLS and the traffic are dropped

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.6

Identifier

Headline

CSCwb77723

ASR920/Cylon Duplicated unicast ARP packets

CSCwb01940

ASR920 drops L2 multicast traffic upon REP topology change

CSCwb01224

Multihop BFD transit packets getting droppedn on ASR920 after upgrade to 17.3.3

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.6 - Platform Independent

Identifier

Headline

CSCwb66047

RSP3/ASR920/RSP2:node crashed @ l2rib_obj_peer_tbl_cmd_print

Open Caveats – Cisco IOS XE Amsterdam 17.3.6

Identifier

Headline

CSCwc84627

IM goes continous reboot for a PCIE bus error

CSCwc79322

Memory leak on ptpd_uea process

Open Caveats – Cisco IOS XE Amsterdam 17.3.6 - Platform Independent

Identifier

Headline

CSCvu15652

CEM26K : confiig / unconfig of CEME26K circuits causes 1-2 ckts in down state in standby mode.

CSCvv74332

VPLSoBKPW:MAC not flushed/withdrawn in remote peer on VC swichover from active to standby mode.

CSCwa30653

MVPN Profile 14 : Data MDT traffic not flowing with 2 paths when OSPF cost configured on 1 path

CSCvu06350

16.12.3 ES: Active RP crashed due to UNIX-EXT-SIGNAL: Segmentation fault(11), Process = BFD events

CSCvw19225

[17.5 EIGRP] Deleting bgp config does not remove the redistribute vrf CLI under Eigrp process

CSCwc25454

SSH to IPv6 LinkLocal address don't work without explict "ip ssh source-interface" configuration

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.5

Caveat ID Number

Description

CSCvx58983

Xconnect Interface Flapping is seen when shut/no shut is issued or hardware failure occurs in path of Xconnect

CSCwa41638

MAC Table and L2VPN EVPN Table are out of sync

CSCwa09302

iMSG serial interfaces bitrate/sec data is displayed incorrectly in show command output

CSCvy25392

Cannot delete recovered clock configuration from STS-3c

CSCvy64788

LLC frames are getting looped back due to autonomic networking

CSCvy78284

Router will crash when zeroised RSA key is regenerated

CSCvy92074

MTU programming for MPLS L2 VC may fail after interface flaps

CSCvz20857

STS1E controller bay/port is wrong in controller UPDOWN syslog during T3 alarm

CSCvz42622

TPOP T1 SATOP : Cable length range needs to be changed to be consistent with the IMA48D/IMA3G

CSCvz79672

HQoS on egress TenGig interface is not working properly

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.5 - Platform Independent

Caveat ID Number

Description

CSCvy56660

mlacp backbone interface defined in netconf as Container instead of list entry

CSCvy91369

IOS-XE : IPSLA ICMP-Jitter over L3VPN results incorrect jitter value.

CSCvz25471

NSO configuration push failure is seen due to GETCONF on BD gives additional value “mac learning”

Open Caveats – Cisco IOS XE Amsterdam 17.3.5

There are no open caveats in this release.

Open Caveats – Cisco IOS XE Amsterdam 17.3.5 - Platform Independent

Caveat ID Number

Description

CSCwa36608

ICCP is stuck on CONNECTING state after RSP SO on Active PoA

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.4

Caveat ID Number

Description

CSCvv99456

ACL entries with FRAGMENT keywords are not working on the ASR920 platform

CSCvx47340

When you insert 10G XFP in 10G port from 1G SFP, multicast traffic stops

CSCvx55831

Ingress Policy with set qos-group action creates extra TCAM entry with match on egress policy

CSCvx99501

Wrong SNMP traps are generated for high voltage threshold violations

CSCvy07380

IPSG does not deny traffic for few VLANS / BDs when DHCP binding entry does not exist

CSCvy16480

USB flashcards are not mounted on new ASR-920-12CZ-A

CSCvy19318

MH-BFD over IPv6 stops working after upgrade

CSCvy82320

DHCP packets get dropped in case snopping is enabled

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 Amsterdam 17.3.4 - Platform Independent

Caveat ID Number

Description

CSCvy04023

NETCONF datastore PTP data may unsync from running configuration

Open Caveats – Cisco IOS XE Amsterdam 17.3.4

Caveat ID Number

Description

CSCvy25392

Cannot delete recovered clock configuration from STS-3c

CSCvy92074

MTU programming for MPLS l2 VC may fail after interface flaps

Open Caveats – Cisco IOS XE Amsterdam 17.3.4 - Platform Independent

There are no platform independent open caveats for this release.

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.3

Caveat ID Number

Description

CSCvw06674

Router crashes while deleting a BFD session

CSCvw34109

PTP failure due to LSMPI buffer exhaustion

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 Amsterdam 17.3.3 - Platform Independent

Caveat ID Number

Description

CSCvg75709

Unnecessary RIB updates are observed when metric-style transition is configured

CSCvv40006

Traceback: IP SLA triggers INJECT_HDR_LENGTH_ER and INJECT_FEATURE_ESCAPE log messages

CSCvv79677

Cisco RSP2 module crashes after BGP flaps

CSCvv91741

Resequencing ACL with remarks only resequences permit or deny entries, remarks are not changed

CSCvw05035

BGP fall-over is not working when Null0 static route is configured

CSCvw19062

Changing external route tag does not update origin code in BGP

CSCvw37109

Pseudowire interface may be unexpectedly removed from VFI on unrelated configuration change

CSCvw86336

Unsupported interfaces for 'logging event link-status' needs to be removed in mapping

Open Caveats – Cisco IOS XE Amsterdam 17.3.3

Caveat ID Number

Description

CSCvs50029

Interface flaps and input errors are seen with optics GLC-FE-100BX-D in ASR920-12CZ

Open Caveats – Cisco IOS XE Amsterdam 17.3.3 - Platform Independent

Caveat ID Number

Description

CSCvu15652

CEM26K : confiiguration or unconfiguration of CEME26K circuits causes 1-2 ckts in down state in standby Cisco RSP3 module

CSCvu77385

[SVSP-457]-Full throughput is not working priority shaper percent is greater than ~40" 4206/4216 over 100g NNI

CSCvv71209

MTU changes on access interface causing low memory and stby RSP crash

CSCvv86988

Standby RP IOSD crashes continuously when serial acr nxds0 configs are applied

CSCvw54661

HS2 node is chasing with core generation and core is pointing to EFP process

CSCvw77485

Router may not send PIM register message if RP is reachable over TE tunnel

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.2a

Caveat ID Number

Description

CSCvv10229

EDPL enhancement: Attach or detach pre-exising service-policy on EDPL is started or stopped

CSCvv16784

Automatic reload should happen after disabling platform bridging TCAM handling

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 Amsterdam 17.3.2a - Platform Independent

Caveat ID Number

Description

CSCvc33357

Incorrect BC value is seen under show policy-map command when user-defined percentage based CIR is defined

Open Caveats – Cisco IOS XE Amsterdam 17.3.2a

Caveat ID Number

Description

CSCvu99207

Incorrect STP forwarding state programming occurs in platform

CSCvv14654

OOM kernel crash is seen in 3node stitching while using workarounds to recover traffic

CSCvw34109

PTP failure due to LSMPI buffer exhaustion

Open Caveats – Cisco IOS XE Amsterdam 17.3.x

Caveat ID Number

Description

CSCvs50029

Interface flaps and input errors are seen with optics GLC-FE-100BX-D in Cisco ASR920-12CZ

CSCvw34109

PTP failure due to LSMPI buffer exhaustion

Resolved Caveats – Cisco IOS XE Amsterdam 17.3.x

Caveat ID Number

Description

CSCvk22965

Bulk License 'Out of Compliance' support

CSCvr97004

VTY lines higher than 5 cannot be configured on NVGEN

CSCvs34376

show pl ha pp act interface command output does not show priority queue (HPCT) packet counters

CSCvs34482

ISSU does not work on RSP2 nodes

CSCvs50346

Random number of physical interfaces goes AdminDown when a single interface is shut down

CSCvs58497

After IPv6 nd cache is expired, transit traffic fails when ECMP is enabled

CSCvs70140

The interface output of CEM traffic rate is incorrect on the router

CSCvt32521

Duplex half change to full after reload

CSCvu34503

Bundle 43r ROMMON Changes to 17.3.1

CSCvu49097

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

CSCvu78801

PPPoE VSA tags gets overwritten at each PPPoE IA

CSCvr43362

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

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