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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 17.15.4
There are no new software features for this release.
New and Changed Software Features in Cisco IOS XE 17.15.3a
There are no new software features for this release.
New and Changed Software Features in Cisco IOS XE 17.15.2a
There are no new features in this release.
New and Changed Software Features in Cisco IOS XE 17.15.1a
|
Feature |
Description |
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|---|---|---|---|
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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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This feature provides support for including Cisco IOS XE CLI configuration commands that do not have an associated yang model. When used with the current configuration group, Classic CLI provides a robust provisioning mechanism for SD-Routing devices from Cisco SD-WAN Manager. |
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Resolved and Open Bugs for Cisco IOS XE 17.15.x
Resolved Bugs for Cisco IOS XE 17.15.4
|
Bug ID |
Description |
|---|---|
|
Segmentation fault on the sessmgrd process. |
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QFP crash with stuck threads while attempting to lock cft policy under Autonomous mode. |
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Large number of BFD sessions stuck due to out of window drops reported with control connections NAT flaps |
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"cpp-mcplo-ucode" crashes in router running IOS-XE 17.9.5a. |
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Router crashes with PKI "revocation-check ocsp none" enabled. |
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Traffic with TTL 2 is punted to CPU when CEF holds MPLS labels set to None. |
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Cedge reloaded with reason: Critical process cpp_ha_top_level_server fault on fp_0_0 (rc=69). |
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YANG: Unable to Deploy 'aaa accounting network' Command. |
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IKEv2 fails to parse certain route-set prefix Cisco VSA attributes from Radius server. |
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IOS-XE reboot after change telemetry subscription update-policy from periodic to on-change |
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Router crashes when applying a service-policy to a PO interface used as Tunnel source. |
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Serial interface configuration lost after reload. |
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FlexVPN - IP address assigned to spoke changes to unassigned. |
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Router - clns neighbors go down with mtu>9210 set and macsec enabled. |
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Adding "authorization bypass" to vDSP EEM scripts. |
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Fragmented UDP SIP packets dropped on PE with IpFragErr on IP VFR and MPLS enabled tunnel interface. |
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EVPN Multi-Homing: Administratively Shutdown Ports Are Re-Enabled After Core Isolation Recovery (WAN link recovered). |
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Functional SJC Alpha 9840 eWLC HA- Standby eWLC reloads after upgrade to 17.17.1. |
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KMI messages introducing a crash while enabling debug. |
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Memory leak in CCSIP_SPI_CONTROL and *Dead* processes. |
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Memory leak on Chunk Manager via DBAL EVENTS process. |
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Out of CGM (Class-Group Manager) memory intermittently with scaled ZBFW policy. |
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cEdges running 17.12.4 crashed due to Critical process vip_confd_startup_sh fault on rp_0_0 (rc=6). |
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Router tracebacks observed in voip trace flow. |
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Crash making calls during codec negotiation. |
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Segfault in CCSIP_SPI_CONTROL During CALL_LOOP and TLS_SOCKET_SEND_BLOCKED Events. |
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SGW sends AOR id value in RPID/PAI header. |
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ID manager runs out of IDs, Memory Leak @ cts_authz_acl_info_create when using CTS . |
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CUBE is not responding with 200 OK for REINVITE from ISP causing the transfer call getting affected. |
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PPP is not establishing when l2tp over ipsec. |
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Config Parser Issue for NAT with reversible and redundancy. |
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17.12.3 - Crash when clearing L2TP tunnels with the command "clear vpdn tunnel l2tp <ID>" |
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cEdge device crashes when running a NWPI trace initiated from vManage on version 20.12.4 . |
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PKI Trustpoint password command only allows encryption type 0 and 7 on all IOS XE platforms. |
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Tunnels dropping when CAC configured for VDPN when CPU over threshold due to SSH request for SH tech. |
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Enable strict-kex support in IOS-SSH to address CVE-2023-48795 (aka Terrapin Attack). |
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Router :ISIS hellos drops as Delayed pkts, cause ISIS flap over macsec intf + Sak-rekey. |
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Router | 17.9.5a | Random crashes observed after tcp confg changes. |
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IOS-XE: Memory Leak observed in IPSEC/IKE session bringup with Cert-based Authentication. |
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GETVPN Mismatch in GMs reported across COOP Due to KEK Sync Issue Between Prim & Sec KSs. |
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Tunnel delete/create flaps unexpectedly for PWK case for private control NAT changes. |
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Certificate-based MACSEC flapping when dot1x reauth timers are set and after reload. |
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Crash occurs during haripin call. |
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Configuring logging discriminator name longer than 8 characters reloads standby switch. |
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AAA settings not working based on Template associated with the domain-name . |
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IPSec umbrella tunnels are going down everytime umbrella side executes the rekey. |
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cEdge: confd_cli high cpu utilization after executing "show zbfw-dp sessions | tab" |
Open Bugs for Cisco IOS XE 17.15.4
|
Bug ID |
Description |
|---|---|
|
Continous fman_fp related traceback seen at interval of 10s. |
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SNMPwalk fails to consistently return tunnel names due to incomplete tunnel setup |
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IOSD chasfs task crashes when retrieving platform info. |
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Device experienced unexpected reload due to dbgd process. |
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"NHRP Encap Error for Purge Request" populates on spoke despite correct routing at HUB. |
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Update GeoDB version. |
Resolved Bugs for Cisco IOS XE 17.15.3a
|
Bug ID |
Description |
|---|---|
|
Multiple address range support in a local pool |
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Large number of BFD sessions stuck with out of window drops with Kotak bank profile. |
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BFD session is down after change tloc preference with pairwise-keying enabled. |
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MIP 100 stuck in booting state after ROMMON upgrade using 17.3(1r) rommon file. |
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pairwise-keying every single bfd session up/down which trigger tunnel delete/create events. |
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Unexpected reload in NHRP, cache freed prior to function call. |
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CEF DPI loadbalancing incorrect distribution for tunnel-l2tp. |
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Unexpected reload on cEdge due to performance monitor with packet service insertion from spoke. |
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cEdges running 17.12.4 crashed due to Critical process vip_confd_startup_sh fault on rp_0_0 (rc=6) |
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Administrative distance of IPv6 static route to Cellular interface overwrite with 254.. |
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Incoming packet are drop with bad checksum when l2tp through ipsec encrypted tunnel on device. |
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cpp_cp_svr crash noticed when configured service-policy to a Dialer interface. |
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After change integrity-type twice, all bfd sessions will be down. |
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Router null-way audio within the same layer2. |
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Device with IOS XE Version 17.9.5a we cannot update the CPLD-version from 19041800 to 20030413. |
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IOS-XE crash PKI: Failed to load cert chain for trustpoint. |
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FLOWDB_OOM condition can lead to packet loss with GRE non-IPSEC tunnel. |
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GETVPN Mismatch in GMs reported across COOP Due to KEK Sync Issue Between Prim & Sec KSs. |
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HTX: UTD snort crash at memif_shm_peek_first_packet (handle=0x0). |
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cflowd source interface for sub-interface does not get pushed to cedge. |
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Unexpected reload with ipv4_sbc_input () at /dplane/feature/sbc/sbc_packet decode. |
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Router crash during SGW sync in VOICE REG BG Process. |
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listen-port command is not working properly under tenants for UDP. |
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CDR file accounting credentials exposure. |
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Cube sip-ua commands lost after reload |
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Memory leak on CUBE in subscribe pass-thru scenario. |
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CDR file accounting creates dummy files. |
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OOD Subscribe with event message-summary is causing memory leak on CUBE. |
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CUBE incorrectly offers rtp instead of srtp in 200OK for srtp fallback scenario. |
Open Bugs for Cisco IOS XE 17.15.3a
|
Bug ID |
Description |
|---|---|
|
Missing Calling-Station-ID in radius messages. |
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PPP is not establishing when l2tp over ipsec. |
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IOS-XE: Memory Leak observed in IPSEC/IKE session bringup with Cert-based Authentication. |
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Router crash due to failed DLC license conversion when contacting CSSM. |
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IOSD chasfs task crashes when retrieving platform info. |
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Tx/Rx optical power values diffrent for "show int" and "show hw-module" |
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Crash when clearing L2TP tunnels with the command "clear vpdn tunnel l2tp <ID>" |
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Failing to ping to service-side IPv4 interface from remote cEdge with IPv6 tunnel and LTE Cellular. |
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FlexVPN - IP address assigned to spoke changes to unassigned. |
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In 17.9.4, BFD sessions stuck in down state due to SA_NOT_FOUND. |
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One "no vrf definition" resets BGP neighbors in other VRFs too. |
Resolved Bugs for Cisco IOS XE 17.15.2a
|
Bug ID |
Description |
|---|---|
|
SD-WAN ZBFW TCAM misprogramming after rules are reordered on device - CCE changes. |
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DSMP layer is unable to close EDSP channels if a call is disconnected before connect. |
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SD-Routing:"match traffic-category " through vManage add-on CLI push failed. |
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Few BFD sessions down after clear mka session on client. |
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An IOS XE Router running as a cEdge may experience an unexpected reset due to dbgd process. |
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Router Crash due to SIGSEGV | fman_fp_image fault on fp_0_0 (rc=139) |
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Startup Configuration Failure Post PKI Server Enablement. |
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Cisco IOS-XE Router can reboot unexpectedly while configuring NAT Static Translation. |
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SNMP reports incorrect Transmit Power / Receive Power values for 100G AOC cables. |
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DSP occasionally crashes when pcm capture is enable |
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IPv6 flowspec nexthop redirect policy not redirecting the traffic on IOS XE. |
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SD-WAN ZBFW TCAM misprogramming after rules are reordered on device. |
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Unexpected Reload Due to "cpp-mcplo-ucode" Process When Handling Fragments With SRv6 Routing. |
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Memory leak in fman_rp under acl_db. |
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High IRAM utilization at 99% in scaled flows. |
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17.12.02 Cannot import device certificate. |
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Crash occurs when IPv6 packets with link-local source are forwarded to SDWAN tunnels. |
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IOS-XE 17 Crashes in IOSd Due to Malformed DMVPN-5-NHRP_RES_REPLY_IGNORE Syslog. |
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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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17.15: Process crash seen on SD-Routing TSN platform + Permission Denied errors. |
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Router has no statistics for the SBFD protocol. |
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IOS-XE 17.12.3 uses 3DES as default rekey algorithm for GETVPN. |
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MGCP GW fails to respond with 250 OK when there's a delay from dataplane in gathering stats. |
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Process IOMd memory leak due to POE TDL message. |
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Procyon synchronize DTL does not wait until complete due to compiler optimization. |
Open Bugs for Cisco IOS XE 17.15.2a
|
Bug ID |
Description |
|---|---|
|
Multiple address range support in a local pool. |
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Router crashes with PKI "revocation-check ocsp none" enabled. |
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Traffic with TTL 2 is punted to CPU when CEF holds MPLS labels set to None. |
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MIP 100 stuck in booting state after ROMMON upgrade using 17.3(1r) rommon file. |
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vManage 20.12.4.0.03 removes NAT egress-interface option from cEdge config - CRYPTO yang changes. |
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"peer reactivate" CLI for FlexVPN tunnel on device does not work. |
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FlexVPN - IP address assigned to spoke changes to unassigned. |
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Missing Calling-Station-ID in radius messages. |
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Fragmented UDP SIP packets dropped on PE with IpFragErr on IP VFR and MPLS enabled tunnel interface. |
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Tracker group with IP and DNS name tracker elements goes down when DNS query is failing |
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Cannot configure MD5 for the hash under the ikev2 proposal when compliance shield is disabled. |
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vManage 20.12.4.0.03 removes NAT egress-interface option from cEdge config - NAT yang changes. |
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IOS XE 17 - Router crash due to failed DLC license conversion when contacting CSSM. |
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IOSD chasfs task crashes when retrieving platform info. |
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PPP is not establishing when l2tp over IPsec. |
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Unexpected reload on router (FMAN QOS). |
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IOS-XE crash PKI: Failed to load cert chain for trustpoint. |
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Router crashes when EPC is configured on 100Gb link. |
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DMVPN Tunnel bounces a 2nd time after RP3 failover and recovery. |
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Unexpected reload Critical process linux_iosd_image fault on rp_0_0 (rc=139). |
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SD-WAN: Unable to Reach Inband Management IP on Standby Firewall HA Device. |
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vmanage_system and loopback65529 interfaces using DOD ip range and need to disable it. |
Resolved Bugs for Cisco IOS XE 17.15.1a
|
Bug ID |
Description |
|---|---|
|
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
|
Bug ID |
Description |
|---|---|
|
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
-
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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