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About Cisco ASR 1000 Series Aggregation Services Routers
The Cisco ASR 1000 Series Routers carry a modular yet integrated design, so network operators can increase their network capacity and services without a hardware upgrade. The routers are engineered for reliability and performance, with industry-leading advancements in silicon and security to help your business succeed in a digital world that's always on. The Cisco ASR 1000 Series is supported by the Cisco IOS XE Software, a modular operating system with modular packaging, feature velocity, and powerful resiliency. The series is well suited for enterprises experiencing explosive network traffic and network service providers needing to deliver high-performance services.
 Note |
For more information on the features and specifications of Cisco ASR 1000 Series Routers, refer to the Cisco ASR 1000 Series Routers datasheet. For information on the End-of-Life and End-of-Sale Announcements for Cisco ASR 1000 Series routers, refer to the ASR 1000 Series End-of-Life and End-of-Sale Notices. |
Note |
Cisco IOS XE 17.15.1a is the first release for Cisco ASR 1000 Series Aggregation Services Routers in the Cisco IOS XE 17.15.x release series. |
Product Field Notice
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 https://www.cisco.com/c/en/us/support/web/field-notice-overview.html.
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 https://www.cisco.com/c/en/us/support/web/tsd-products-field-notice-summary.html#%7Etab-product-categories.
New and Changed Hardware Features
There are no new hardware features for this release.
New and Changed Software Features in Cisco IOS XE 17.15.1a
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From Cisco IOS XE 17.15.1a, the Enhanced NAT Management feature enables network operators to safeguard system performance by limiting NAT translations based on CPU usage with the ip nat translation max-entries cpu command. This feature also enables streamlining NAT synchronization in redundant systems using the ip nat settings redundancy optimized-data-sync command. |
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From Cisco IOS XE 17.15.1a, Segment Routing over IPv6 dataplane supports these functionalities: |
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This feature enhances the Security Group-based Access Control List (SGACL) logging capability by using High Speed Logging (HSL) for Cisco IOS XE devices. SGACL logging through HSL provides an efficient and reliable logging method for security events in network environments with high-traffic volumes. For more information, seeCisco IOS Security Command Reference Guide |
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| From Cisco IOS XE 17.15.1a, you can use export maps to specify the gateway IP address (GW IP address) in the Ethernet VPN (EVPN) IP prefix route and influence how routes are exported. This enhancement enables the device to make accurate routing decisions based on the specified GW IP address. | |||
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The File Transfer using HTTP or HTTPs feature allows you to copy files from a remote server to your local device, using the copy command. From Cisco IOS XE 17.15.1a, you must provide the absolute file path when you execute the copy command, to transfer the file. |
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From Cisco IOS XE 17.15.1a, network administrators can monitor SD-Routing device alarms on Cisco Catalyst SD-WAN Manager. This feature enables SD-Routing devices to record and store various alarms generated by control components and routers. For more information, see Cisco SD-Routing Command Reference Guide. |
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Network-Wide Path Insights (NWPI) is a tool that allows network administrators to monitor Cisco SD-Routing deployment, identify network and application issues, and optimize the network. |
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Configure Multiple WAN Interfaces on Cisco SD-Routing Devices Using a Custom VRF |
You can now create a custom VRF that hosts one or more WAN interfaces. You can extend this functionality to create multiple custom VRFs with each VRF hosting multiple WAN interfaces. These WAN interfaces now function as transport interfaces to establish control connections to the Cisco Catalyst SD-WAN Manager. Having multiple WAN interfaces ensures that there is resiliency in control connections and routing of transport traffic. |
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Enabling Flow Level Flexible NetFlow Support for SD-Routing Devices |
The Flow-level Flexible NetFlow (FNF) feature allows you to monitor the NetFlow traffic and view all the flow-level FNF data that is captured including application-level statistics. |
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This feature explains how to seamlessly upgrade and onboard an existing Cisco Routing device into the Cisco SD-WAN infrastructure. |
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From Cisco IOS XE 17.15.1a, this feature provides the ability to define and configure a new single Cisco Umbrella credential for both Umbrella SIG and Umbrella DNS. |
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SD-Routing License Management |
This release introduces license management support for SD-Routing devices. The supported licensing workflows include license assignment or configuration, license use, and license usage reporting. Depending on the device, these workflows are performed in the Cisco Catalyst SD-WAN Manager or on the device. |
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Resolved and Open Bugs for Cisco IOS XE 17.15.x
Resolved Bugs for Cisco IOS XE 17.15.1a
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Bug ID |
Description |
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CPP crashes after re-/configuring "ip nat settings pap limit ... bpa" feature in high QFP state. |
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%PMAN-0-PROCFAILCRIT: R0/0: pvp: A critical process vip_confd_startup_sh has failed (rc 6). |
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EzPM application-performance profile cause memory leak and crash with long-lived idle TCP flows. |
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cEdge repeatedly crashing in FTMd Due to FNF Flow Add. |
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SDWAN: SAIE Application - No Data to Display over Vmanage for IOS XE router. |
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Return traffic for outside to inside NAT traffic received on one TLOC is forwarded out of other TLOC. |
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cEdge crashed when issuing "show sdwan ftm next-hop chain all" . |
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FTMd crashes after receiving credentials feature template update from vmanage. |
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17.14 Coredump observed in tracker module while running cxp_sig_auto_tunnel suite. |
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fman_fp Memory Leak on device. |
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Unencrypted Traffic Due to Non-Functional IPsec Tunnel in FLEXVPN Hub & Spoke Setup. |
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In NAT64 scenario, IPv4 packets that needs translation might be dropped by router. |
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High CPU utilisation for confd_cli. |
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SDWAN BFD Sessions Flapping During IPSec Rekey in Scaled Environment. |
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[2.3.7.x] sdn-network-infra-iwan failing to renew with "hash sha256" > 17.11. |
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cEdge - High memory utilization due to "ftmd" process. |
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After deleting a NAT configuration, the IP address still shows up in routing table. |
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Device reloaded due to ezManage mobile app Service. |
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GETVPN / Migrating to new KEK RSA key doesn't trigger GM re-registration. |
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Unable to build two IPSec SAs w/same source/destination where one peer is PAT'd through the other. |
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20/17.14: ICMP tracker type (from echo to timestamp) change causes tracker to fail. |
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cEdge unexpectedly reloads due to a crash in 'vdaemon' process. |
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cEdgeFNF test_tunnel_name_change_CSCvt57024 case failed due to session of pm5 was not alive. |
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appRouteStatisticsTable sequence misordered in CISCO-SDWAN-APP-ROUTE-MIB or OS returns wrong order. |
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cEdge: Router reloaded when generating admin tech while processing very high number of flows. |
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Add FNF cache limit for show sdwan app-fwd flows for CSCwj02401. |
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Router crashes while processing an NWPI trace. |
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Unexpected reboot when a HTTP connection failed with 404 on a controller mode router. |
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20.14:SD-Routing Brownfield - chassis activate effective only after second re-try - with new uuid. |
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Device : EVC Q-in-Q configuration may filter out certain vlans. |
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DIA Endpoint tracker not working with ECMP routes. |
Open Bugs for Cisco IOS XE 17.15.1a
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Bug ID |
Description |
|---|---|
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Endpoint Tracker does not fail if default route is removed. |
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Crash occurs when IPv6 packets with link-local source are forwarded to SDWAN tunnels. |
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17.12.03. CSCwj42249.SPA.smu.bin drops when Packet Duplication link fails-over. |
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File transfer fails from vManage 20.9.5 /home/admin to cEdge 17.6.5 bootflash: "lost connection". |
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Custom Applications may not be programmed properly. |
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Router running IOS 17.06.05 rebooted unexpectedly due to process NHRP crash. |
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Device unexpectedly reboot due to QFP CPP stuck at waiting for rw_lock - Lock id of 0 released. |
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RRI static not populating route after reload if stateful IPSec is configured. |
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Router / XE 17 / GETVPN ipv6 crypto map not shown in interface configuration. |
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vManage/IOS-XE 17.9.3 speed mismatch in IOS-XE configuration after device template push for router. |
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Multiple "match address local interface <int>" not pushed from vmanage under crypto profile. |
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cflowd showing custom APP as "unknown" for egress traffic when using DRE Opt. |
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Cisco IOS-XE Router can reboot unexpectedly while configuring NAT Static Translation. |
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SD-WAN ZBFW TCAM misprogramming after rules are reordered on device. |
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cEdge denied for template push and some show commands with error application communication failure. |
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Packets not hitting the correct data policy after modifying the action of a sequence. |
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Unable to Establish NAT Translations with ZBFW enabled. |
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cEdge: system image file is not set to packages.conf when image expansion fails due to disk space. |
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NAT DIA traffic getting dropped due to port allocation failure. |
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17.12.02 Cannot import device certificate. |
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SD-Routing:"match traffic-category " through vManage add-on CLI push failed. |
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IOS-XE 17.12.3 uses 3DES as default rekey algorithm for GETVPN |
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Startup Configuration Failure Post PKI Server Enablement. |
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17.15: MKA session not coming up after shut/no shut with EVC. |
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cEdge: data-policy local-tloc-list breaks RTP media stream. |
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Centralized Policy Policer worked per PC on the same site not per site/vpn-list. |
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IOS-XE 17 Crashes in IOSd Due to Malformed DMVPN-5-NHRP_RES_REPLY_IGNORE Syslog. |
ROMmon Release Requirements
For more information on ROMmon support for Route Processors (RPs), Embedded Services Processors (ESPs), Modular Interface Processors (MIPs), and Shared Port Adapter Interface Processors (SIPs) on Cisco ASR 1000 Series Aggregation Services Routers, see https://www.cisco.com/c/en/us/td/docs/routers/asr1000/rommon/asr1000-rommon-upg-guide.html.
Note |
After upgrading the ROMmon to version 17.3(1r), you cannot revert it to a version earlier than 17.3(1r) for the following platforms:
This restriction is only applicable for these platforms. If you have upgraded to ROMmon version 17.3(1r) on any other platform, reverting to an earlier version of ROMmon is permitted and does not cause any technical issues. |
Related Documentation
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Release Notes for Previous Versions of ASR 1000 Series Aggregation Services Routers
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Hardware Guides for Cisco ASR 1000 Series Aggregation Services Routers
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Configuration Guides for ASR 1000 Series Aggregation Services Routers
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Product Landing Page for ASR 1000 Series Aggregation Services Routers
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Upgrading Field Programmable Hardware Devices for Cisco ASR 1000 Series Routers
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Cisco ASR 1000 Series Aggregation Services Routers ROMmon Upgrade Guide
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Troubleshooting
For the most up-to-date, detailed troubleshooting information, see the Cisco TAC website at https://www.cisco.com/en/US/support/index.html.
Go to Products by Category and choose your product from the list, or enter the name of your product. Look under Troubleshoot and Alerts to find information for the issue that you are experiencing.
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