Release Notes for Cisco ISR 1000 Series, Cisco IOS XE Dublin 17.11.x

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ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. </p> <p class="p">THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. </p> <p class="p">The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of the UNIX operating system. All rights reserved. Copyright 漏 1981, Regents of the University of California. </p> <p class="p">NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED 鈥淎S IS" WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. </p> <p class="p">IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. </p> <p class="p">Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental. </p> <p class="p">All printed copies and duplicate soft copies of this document are considered uncontrolled. See the current online version for the latest version. </p> <p class="p">Cisco has more than 200 offices worldwide. Addresses and phone numbers are listed on the Cisco website at www.cisco.com/go/offices.</p> </section> <section class="section" id="bp_full_trademark_with_software_license_intro__section_conref_to_section_full_trademark"> <p class="p"> Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: <a class="xref" href="https://www.cisco.com/c/en/us/about/legal/trademarks.html" target="_blank">https://www.cisco.com/c/en/us/about/legal/trademarks.html</a>. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1721R) </p> </section> </div>  <nav role="navigation" class="related-links"></nav>  <article class="topic concept nested1" aria-labelledby="ariaid-title2" lang="en-US" id="concept_k5l_pw5_ghb"> <h2 class="title topictitle2" id="ariaid-title2">About Cisco 1000 Series Integrated Services Routers</h2> <div class="body conbody"> <p class="p">The Cisco 1000 Series Integrated Services Routers (also referred to as router in this document) are powerful fixed branch routers based on the Cisco IOS XE operating system. They are multi-core routers with separate core for data plane and control plane. There are two primary models with 8 LAN ports and 4 LAN ports. Features such as Smart Licensing, VDSL2 and ADSL2/2+, 802.11ac with Wave 2, 4G LTE-Advanced and 3G/4G LTE and LTEA Omnidirectional Dipole Antenna (LTE-ANTM-SMA-D) are supported on the router. </p> <table class="olh_note" border="0" role="note"> <tr> <td width="1%" class="olh_note" role="heading" border="0"><img src="https://www.cisco.com/content/dam/en/us/td/i/templates/note.gif"><br><p><b>Note</b></p> </td> <td border="0" class="olh_note"> <div class="note__content"> <hr> <p class="p">Cisco IOS XE 17.14.1a is the first release for Cisco 1000 Series Integrated Services Routers in the Cisco IOS XE 17.14.x release series. </p> <hr> </div> </td> </tr> </table> <table class="olh_note" border="0" role="note"> <tr> <td width="1%" class="olh_note" role="heading" border="0"><img src="https://www.cisco.com/content/dam/en/us/td/i/templates/note.gif"><br><p><b>Note</b></p> </td> <td border="0" class="olh_note"> <div class="note__content"> <hr>Starting with Cisco IOS XE Amsterdam 17.3.2 release, with the introduction of Smart Licensing Using Policy, even if you configure a hostname for a product instance or device, only the Unique Device Identifier (UDI) is displayed. This change in the display can be observed in all licensing utilities and user interfaces where the hostname was displayed in earlier releases. It does not affect any licensing functionality. There is no workaround for this limitation. <p class="p">The licensing utilities and user interfaces that are affected by this limitation include only the following: </p> <ul class="ul"> <li class="li"> <p class="p">Cisco Smart Software Manager (CSSM),</p> </li> <li class="li"> <p class="p">Cisco Smart License Utility (CSLU), and</p> </li> <li class="li"> <p class="p">Smart Software Manager On-Prem (SSM On-Prem).</p> </li> </ul> <hr> </div> </td> </tr> </table> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="GUID-87C667B8-81D1-4B11-A7FE-EB3F2C823053__GUID-761FE8D3-A56B-44F3-B810-1047D5BA4CDF" lang="en-US" id="GUID-87C667B8-81D1-4B11-A7FE-EB3F2C823053"> <h2 class="title topictitle2" id="GUID-87C667B8-81D1-4B11-A7FE-EB3F2C823053__GUID-761FE8D3-A56B-44F3-B810-1047D5BA4CDF">Product Field Notice</h2> <div class="body conbody"> <section class="section" id="GUID-87C667B8-81D1-4B11-A7FE-EB3F2C823053__SECTION_9B9C53C31AB74BEA9428C13A262A2A16"> <p class="p">Cisco publishes Field Notices to notify customers and partners about significant issues in Cisco products that typically require an upgrade, workaround or other user action. For more information, see <a class="xref" href="https://www.cisco.com/c/en/us/support/web/field-notice-overview.html" target="_blank">https://www.cisco.com/c/en/us/support/web/field-notice-overview.html</a>. </p> <p class="p">We recommend that you review the field notices to determine whether your software or hardware platforms are affected. You can access the field notices from <a class="xref" href="https://www.cisco.com/c/en/us/support/web/tsd-products-field-notice-summary.html#%7Etab-product-categories" target="_blank">https://www.cisco.com/c/en/us/support/web/tsd-products-field-notice-summary.html#%7Etab-product-categories</a>. </p> </section> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title4" lang="en-US" id="concept_bn3_2vt_blb"> <h2 class="title topictitle2" id="ariaid-title4">New and Changed Hardware and Software Features</h2>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title5" lang="en-US" id="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66"> <h2 class="title topictitle2" id="ariaid-title5">New and Changed Software Features in Cisco IOS XE 17.14.1a</h2> <div class="body conbody"> <table width="100%" border="1" class="table frame-all"> <caption><span class="table--title-label tabletitle">Table 1. </span><span class="tabletitle">New Software Features</span></caption> <colgroup> <col style="width:24.97055359246172%"> <col style="width:24.97055359246172%"> <col style="width:11.77856301531213%"> <col style="width:38.28032979976443%"> </colgroup> <thead class="thead"> <tr> <th font-weight="bold" class="entry colsep-1 rowsep-1" id="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1"> <p class="p">Feature</p> </th> <th font-weight="bold" class="entry colsep-1 rowsep-1" id="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2" colspan="3"> <p class="p">Description</p> </th> </tr> </thead> <tbody class="tbody"> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/routers/ios/config/17-x/ip-routing/b-ip-routing/m_enabling-enhanced-is-is-fast-flooding-of-lsps.html" target="_blank">Enhanced IS-IS Fast Flooding</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">The IS-IS Fast Flooding feature optimizes LSP transmission to accelerate network convergence by dynamically adjusting the LSP rate based on receiver capability. From Cisco IOS XE 17.14.1a, IS-IS Fast Flooding can be configured using the <a class="xref" href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/command/irs-cr-book/irs-l1.html#wp4057051253" target="_blank"><span class="keyword cmdname">router isis lsp-fast-flooding</span></a> command. The LSP transmission can be further customized with arguments such as <strong class="ph b">max-lsp-tx</strong>, <strong class="ph b"> psnp-interval</strong>, and <strong class="ph b">per-interface</strong> within the same router isis command, and enhanced by using the <a class="xref" href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/command/irs-cr-book/irs-a1.html#wp2083799844" target="_blank"><span class="keyword cmdname">isis remote-psnp-delay</span></a> command. This feature is disabled by default, and requires manual configuration to enable. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/fundamentals/command/cf_command_ref/show_protocols_through_showmon.html#wp1836415112" target="_blank">Enhancement to the show reload-history Command</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">From Cisco IOS XE 17.14.1a, the <span class="keyword cmdname">show reload-history</span> command is modified to <span class="keyword cmdname">show reload history</span>. The output for the command is updated to include crash data, Cisco High Availability (HA) status, and software version. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p">MAP-T Customer Edge (CE) Support</p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">From Cisco IOS XE 17.14.1a, the <span class="keyword cmdname">show reload-history</span> command is modified to <span class="keyword cmdname">show reload history</span>. The output for the command is updated to include crash data, Cisco High Availability (HA) status, and software version. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/routers/ios/config/17-x/sec-vpn/b-security-vpn/m_sec-get-vpn-suiteb.html#GUID-C6FBB19F-8F9F-4F6C-A165-2EEC1E06A2BE" target="_blank">Support for Suite B Ciphers with GET VPN</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">From Cisco IOS XE 17.14.1a, this enhancement introduces support for Suite B ciphers with GET VPN on the following platforms and its corresponding models: </p> <ul class="ul"> <li class="li"> <p class="p">Cisco ASR 1000 Series Aggregation Services Routers:</p> <ul class="ul"> <li class="li"> <p class="p">ASR 1000 with ESP100-X</p> </li> </ul> </li> <li class="li"> <p class="p">Cisco Catalyst 8300 Series Edge Platforms:</p> <ul class="ul"> <li class="li"> <p class="p">C8300-1N1S-4T2X</p> </li> <li class="li"> <p class="p">C8300-2N2S-6T</p> </li> </ul> </li> <li class="li"> <p class="p">Cisco Catalyst 8200 Series Edge Platforms:</p> <ul class="ul"> <li class="li"> <p class="p">C8200L-1N-4T</p> </li> </ul> </li> <li class="li"> <p class="p">Cisco Catalyst 8500 Series Edge Platforms:</p> <ul class="ul"> <li class="li"> <p class="p">C8500-12X4QC</p> </li> <li class="li"> <p class="p">C8500L-8S4X</p> </li> </ul> </li> <li class="li"> <p class="p">Cisco 1000 Series Integrated Services Routers:</p> <ul class="ul"> <li class="li"> <p class="p">C1131</p> </li> <li class="li"> <p class="p">C112X</p> </li> <li class="li"> <p class="p">C116X</p> </li> <li class="li"> <p class="p">C111X</p> </li> </ul> </li> </ul> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p">Support to Configure VPN Solutions for SD-Routing devices</p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">This release introduces support for the following VPN solutions: </p> <ul class="ul"> <li class="li"> <p class="p">FlexVPN</p> </li> <li class="li"> <p class="p">GETVPN</p> </li> <li class="li"> <p class="p">DMVPN</p> </li> <li class="li"> <p class="p">L3VPN</p> </li> </ul>These VPN solutions can be configured by using <span class="ph menucascade"><span class="ph uicontrol">Configuration</span> > <span class="ph uicontrol">Configuration Groups</span> > <span class="ph uicontrol">CLI Add-on Profile</span></span> option in Cisco SD-WAN Manager. </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/content/en/us/td/docs/routers/sd-routing/b-sd-routing-configuration-group.html" target="_blank">View Unmodelled Commands on SD-Routing Devices</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">After an SD-Routing device is deployed, you can view the unmodelled commands on Cisco SD-WAN Manager. The list of unmodelled commands are regenerated if the device reboots. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p">YANG Configurational Model Support for SD-Routing Devices</p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">This release introduces support for the following YANG Configurational Models: </p> <ul class="ul"> <li class="li"> <p class="p">BGP</p> </li> <li class="li"> <p class="p">MPLS</p> </li> <li class="li"> <p class="p">RSVP</p> </li> <li class="li"> <p class="p">SNMP</p> </li> <li class="li"> <p class="p">AAA</p> </li> <li class="li"> <p class="p">QOS</p> </li> <li class="li"> <p class="p">ACL</p> </li> <li class="li"> <p class="p">DHCP</p> </li> </ul> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/content/en/us/td/docs/routers/sd-routing/security/m-cisco-secure-access-integration.html" target="_blank">Configure Secure Service Edge </a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">Secure Service Edge is a cloud solution that provides seamless, transparent, and secure Direct Internet Access (DIA) to protect against internet-based threats. This solution can be configured through Policy Groups by using Cisco SD-WAN Manager. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/content/en/us/td/docs/routers/sd-routing/b-sd-routing-configuration-group.html" target="_blank">Configuration Group Enhancements</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">This release introduces support for the following in Cisco SD-WAN Manager</p> <ul class="ul"> <li class="li"> <p class="p">Transport Profiles</p> </li> <li class="li"> <p class="p">Management Profile</p> </li> <li class="li"> <p class="p">Service Profile</p> </li> <li class="li"> <p class="p">CLI Profile</p> </li> <li class="li"> <p class="p">Policy Object Profile</p> </li> </ul> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="4"> <p class="p"><strong class="ph b">Cisco Unified Border Element (CUBE) and SRST Features</strong></p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/ios-xe/config/ios-xe-book/m_sip_tls_support_cube.html" target="_blank">CUBE: Secure SIP with TLS 1.3 support</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">From Cisco IOS XE 17.14.1a onwards, security of the communication between the client and the server is enhanced with the support of Transport Layer Security (TLS) version 1.3 and associated cipher suites. </p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__1 "> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cusrst/admin/sccp_sip_srst/configuration/guide/SCCP_and_SIP_SRST_Admin_Guide/srst_secure_sccp_and_sip.html" target="_blank">SRST: Secure SIP with TLS 1.3 support</a></p> </td> <td class="entry colsep-1 rowsep-1" headers="Cisco_Concept.dita_28d11498-aad4-4a24-9ee6-187b73993f66__entry__2 " colspan="3"> <p class="p">Starting from Cisco Unified SRST 14.4 release, the SRST security feature is enhanced to support TLS version 1.3 and associated ciphers. </p> </td> </tr> </tbody> </table> <table class="olh_note" border="0" role="note"> <tr> <td width="1%" class="olh_note" role="heading" border="0"><img src="https://www.cisco.com/content/dam/en/us/td/i/templates/note.gif"><br><p><b>Note</b></p> </td> <td border="0" class="olh_note"> <div class="note__content"> <hr> <p class="p">From Cisco IOS XE Release 17.9.1a, guestshell is removed from the IOS XE software image. As a result, Zero Touch Provisioning (ZTP) python script is no longer supported on Cisco 1000 Series Integrated Services Routers. If you need to use guestshell, then download it from <a class="xref" href="https://developer.cisco.com/docs/iox/#!iox-resource-downloads/downloads" target="_blank">https://developer.cisco.com/docs/iox/#!iox-resource-downloads/downloads</a>. For more information, see <a class="xref" href="https://www-author3.cisco.com/content/en/us/td/docs/routers/access/isr1100/software/configuration/xe-17/isr1100-sw-config-xe-17/installing_software.html#concept_q25_tgs_xy" target="_blank">Guestshell installation</a> procedure. </p> <hr> </div> </td> </tr> </table> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title6" lang="en-US" id="concept_zxg_4hl_5kb"> <h2 class="title topictitle2" id="ariaid-title6"><strong class="ph b">Cisco ISR1000 ROMmon Compatibility Matrix</strong></h2> <div class="body conbody"> <p class="p">The following table lists the ROMmon releases supported in Cisco IOS XE 16.x.x releases and Cisco IOS XE 17.x.x releases.</p> <table class="olh_note" border="0" role="note"> <tr> <td width="1%" class="olh_note" role="heading" border="0"><img src="https://www.cisco.com/content/dam/en/us/td/i/templates/note.gif"><br><p><b>Note</b></p> </td> <td border="0" class="olh_note"> <div class="note__content"> <hr> <p class="p">To identify the manufacturing date, use the <strong class="ph b">show license udi</strong> command. For example: </p> <pre class="pre codeblock"><code>Router#show license udi UDI: PID:C1131-8PLTEPWB,SN:FGLxxxxLCQ6 </code></pre> <p class="p">The xxxx in the command output represents the manufacturing date. </p> <ul class="ul"> <li class="li"> <p class="p">If the manufacturing date is greater than or equal to 0x2535, the manufactured ROMmon version is 17.6(1r) or higher.</p> </li> <li class="li"> <p class="p">If the manufacturing date is less than 0x2535, the ROMmon will be automatically upgraded to 17.5(1r) or above when the Cisco IOS XE 17.9.x release is installed. </p> </li> <li class="li"> <p class="p">The minimal or recommended ROMmon version for devices using Cisco IOS XE 17.5 or later is 17.5(1r) or later.</p> </li> </ul> <hr> </div> </td> </tr> </table> <table class="olh_note" border="0" role="note"> <tr> <td width="1%" class="olh_note" role="heading" border="0"><img src="https://www.cisco.com/content/dam/en/us/td/i/templates/note.gif"><br><p><b>Note</b></p> </td> <td border="0" class="olh_note"> <div class="note__content"> <hr> <p class="p">To upgrade to Cisco IOS XE Dublin 17.12.x, follow these steps:</p> <ol class="ol"> <li class="li"> <p class="p">If you are on a device that is running software version between Cisco IOS XE 16.x to Cisco IOS XE 17.4.x, upgrade to any IOS XE image between Cisco IOS XE 17.5.x to Cisco IOS XE 17.10.x. </p> </li> <li class="li"> <p class="p">After performing step a, upgrade to Cisco IOS XE 17.12.x.</p> </li> <li class="li"> <p class="p">For devices that are running on software version Cisco IOS XE 17.5.x or later, you can upgrade to Cisco IOS XE 17.12.x directly.</p> </li> </ol> <hr> </div> </td> </tr> </table> <table width="100%" border="1" class="table frame-all"> <caption><span class="table--title-label tabletitle">Table 2. </span><span class="tabletitle"><strong class="ph b">Minimum and Recommended ROMmon Releases Supported on Cisco 1000 Series Integrated Services Routers</strong></span></caption> <colgroup> <col style="width:38.837920489296636%"> <col style="width:30.58103975535168%"> <col style="width:30.58103975535168%"> </colgroup> <thead class="thead"> <tr> <th font-weight="bold" class="entry colsep-1 rowsep-1" id="concept_zxg_4hl_5kb__entry__1"> <p class="p"><strong class="ph b">Cisco IOS XE Release</strong></p> </th> <th font-weight="bold" class="entry colsep-1 rowsep-1" id="concept_zxg_4hl_5kb__entry__2"> <p class="p"><strong class="ph b">Minimum ROMmon Release for IOS XE</strong></p> </th> <th font-weight="bold" class="entry colsep-1 rowsep-1" id="concept_zxg_4hl_5kb__entry__3"> <p class="p"><strong class="ph b">Recommended ROMmon Release for IOS XE</strong></p> </th> </tr> </thead> <tbody class="tbody"> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.6.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.6(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.6(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.7.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.6(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.6(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.8.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.8(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.8(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.9.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.9(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.9(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.10.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.9(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.9(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.11.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.9(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.9(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">16.12.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.9(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.12(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.2.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.9(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.12(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.3.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.12(2r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.12(2r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.4.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">16.12(2r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">16.12(2r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.5.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.6.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.7.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.8.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.9.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.10.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.11.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.12.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.13.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> <tr> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__1 "> <p class="p">17.14.x</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__2 "> <p class="p">17.5(1r)</p> </td> <td class="entry colsep-1 rowsep-1" headers="concept_zxg_4hl_5kb__entry__3 "> <p class="p">17.5(1r)</p> </td> </tr> </tbody> </table> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title7" lang="en-US" id="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b"> <h2 class="title topictitle2" id="ariaid-title7">Resolved and Open Bugs in Cisco IOS XE 17.14.x</h2>  <nav role="navigation" class="related-links"></nav>  <article class="topic concept nested2" aria-labelledby="ariaid-title8" lang="en-US" id="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b"> <h3 class="title topictitle3" id="ariaid-title8">Resolved Bugs in Cisco IOS XE 17.14.1a</h3> <div class="body conbody"> <table width="100%" border="1" class="table"> <caption><span class="table--title-label tabletitle">Table 3. </span><span class="tabletitle">Resolved Bugs in Cisco IOS XE 17.14.1a</span></caption> <colgroup> <col style="width:20%"> <col style="width:80%"> </colgroup> <thead class="thead"> <tr> <th font-weight="bold" class="entry" id="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__1"> <p class="p">Bug ID</p> </th> <th font-weight="bold" class="entry" id="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__2"> <p class="p">Description</p> </th> </tr> </thead> <tbody class="tbody"> <tr> <td class="entry" headers="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__1 "> <p class="p"><a class="xref" href="https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwi53951" target="_blank">CSCwi53951</a></p> </td> <td class="entry" headers="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__2 "> <p class="p">Packets with unicast MAC get dropped on a Port Channel L2 sub-intf after a router reboot.</p> </td> </tr> <tr> <td class="entry" headers="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__1 "> <p class="p"><a class="xref" href="https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwj25493" target="_blank">CSCwj25493</a></p> </td> <td class="entry" headers="Cisco_Concept.dita_8d06af92-fa79-49b0-88e3-c3b8980fd38b__entry__2 "> <p class="p">Device crashed twice with critical process linux_iosd_image fault on rp_0_0.</p> </td> </tr> </tbody> </table> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested2" aria-labelledby="ariaid-title9" lang="en-US" id="Cisco_Concept.dita_a428f65a-b180-40e8-85e5-20d4ca5fb9a0"> <h3 class="title topictitle3" id="ariaid-title9">Open Bugs in Cisco IOS XE 17.14.1a</h3> <div class="body conbody"> <p class="p">There are no open bugs for this release.</p> </div>  <nav role="navigation" class="related-links"></nav>  </article> </article> <article class="topic concept nested1" aria-labelledby="ariaid-title10" lang="en-US" id="concept_qqn_v2l_n3b"> <h2 class="title topictitle2" id="ariaid-title10">Related Information</h2> <div class="body conbody"> <ul class="ul"> <li class="li"> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/routers/access/1100/hardware/installation/guide/b-cisco-1100-series-hig.html" target="_blank">Hardware Installation Guide</a></p> </li> <li class="li"> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/routers/access/isr1100/software/configuration/xe-17/isr1100-sw-config-xe-17.html" target="_blank">Software Configuration Guide</a></p> </li> <li class="li"> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/td/docs/routers/sle_routing/b-cisco-smart-licensing-enhanced-routing.html" target="_blank">Smart Licensing using Policy</a></p> </li> </ul> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic nested1" aria-labelledby="ariaid-title11" lang="en-US" id="bp_topic_obtaining_doc_and_submitting_request"> <h2 class="title topictitle2" id="ariaid-title11">Communications, Services, and Additional Information</h2> <div class="body"> <section class="section" id="bp_topic_obtaining_doc_and_submitting_request__section_obtaining_doc_and_submitting_request"> <ul class="ul" id="bp_topic_obtaining_doc_and_submitting_request__ul_wck_mfc_2gb"> <li class="li"> <p class="p">To receive timely, relevant information from Cisco, sign up at <a class="xref" href="https://www.cisco.com/offer/subscribe" target="_blank">Cisco Profile Manager</a>. </p> </li> <li class="li"> <p class="p">To get the business impact you鈥檙e looking for with the technologies that matter, visit <a class="xref" href="https://www.cisco.com/go/services" target="_blank">Cisco Services</a>. </p> </li> <li class="li"> <p class="p">To submit a service request, visit <a class="xref" href="https://www.cisco.com/c/en/us/support/index.html" target="_blank">Cisco Support</a>. </p> </li> <li class="li"> <p class="p">To discover and browse secure, validated enterprise-class apps, products, solutions and services, visit <a class="xref" href="https://developer.cisco.com/site/marketplace/" target="_blank">Cisco Marketplace</a>. </p> </li> <li class="li"> <p class="p">To obtain general networking, training, and certification titles, visit <a class="xref" href="http://www.ciscopress.com" target="_blank">Cisco Press</a>. </p> </li> <li class="li"> <p class="p">To find warranty information for a specific product or product family, access <a class="xref" href="http://www.cisco-warrantyfinder.com" target="_blank">Cisco Warranty Finder</a>. </p> </li> </ul> </section> <section class="section" id="bp_topic_obtaining_doc_and_submitting_request__section_crt_1fc_2gb"> <h3 class="title sectiontitle">Cisco Bug Search Tool</h3> <p class="p"><a class="xref" href="https://www.cisco.com/c/en/us/support/web/tools/bst/bsthelp/index.html" target="_blank">Cisco Bug Search Tool</a> (BST) is a web-based tool that acts as a gateway to the Cisco bug tracking system that maintains a comprehensive list of defects and vulnerabilities in Cisco products and software. BST provides you with detailed defect information about your products and software. </p> </section> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title12" lang="en-US" id="Cisco_Concept.dita_ba4890f8-0d83-4c8e-961f-f3b1b0d2e680"> <h2 class="title topictitle2" id="ariaid-title12">Documentation Feedback</h2> <div class="body conbody"> <p class="p">To provide feedback about Cisco technical documentation, use the feedback form available in the right pane of every online document. </p> </div>  <nav role="navigation" class="related-links"></nav>  </article> <article class="topic concept nested1" aria-labelledby="ariaid-title13" lang="en-US" id="Cisco_Concept.dita_f92ca5ce-298c-43ca-88c7-96fbdd9a3f39"> <h2 class="title topictitle2" id="ariaid-title13">Troubleshooting</h2> <div class="body conbody"> <p class="p">For the most up-to-date, detailed troubleshooting information, see the Cisco TAC website at <a class="xref" href="https://www.cisco.com/en/US/support/index.html" target="_blank">https://www.cisco.com/en/US/support/index.html</a>. </p> <p class="p">Go to <span class="ph uicontrol">Products by Category</span> and choose your product from the list, or enter the name of your product. 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Release Notes for Cisco ISR 1000 Series, Cisco IOS XE Dublin 17.11.x - Cisco