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Cisco 4000 Series Integrated Services Routers Overview
 Note |
Cisco IOS XE Dublin 17.10.1a is the first release for Cisco 4000 Series Integrated Services Routers in the Cisco IOS XE 17.10.x release series. |
The Cisco 4000 Series ISRs are modular routers with LAN and WAN connections that can be configured by means of interface modules, including Cisco Enhanced Service Modules (SM-Xs), and Network Interface Modules (NIMs).
Note |
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. The licensing utilities and user interfaces that are affected by this limitation include only the following:
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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.
System Requirements
The following are the minimum system requirements:
Note |
There is no change in the system requirements from the earlier releases. |
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Memory: 4 GB DDR3 up to 32 GB
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Hard Drive: 200 GB or higher (Optional). The hard drive is only required for running services such as Cisco ISR-WAAS.
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Flash Storage: 4 GB to 32 GB
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NIMs and SM-Xs: Modules (Optional)
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NIM SSD (Optional)
For more information, see the Cisco 4000 Series ISRs Data Sheet.
Note |
For more information on the Cisco WAAS IOS-XE interoperability, refer to the WAAS release notes: https://www.cisco.com/c/en/us/support/routers/wide-area-application-services-waas-software/products-release-notes-list.html. |
Determining the Software Version
You can use the following commands to verify your software version:
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For a consolidated package, use the show version command
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For individual sub-packages, use the show version installed command
Upgrading to a New Software Release
To install or upgrade, obtain a Cisco IOS XE 17.10.x consolidated package (image) from Cisco.com. You can find software images at http://software.cisco.com/download/navigator.html. To run the router using individual sub-packages, you also must first download the consolidated package and extract the individual sub-packages from a consolidated package.
Note |
When you upgrade from one Cisco IOS XE release to another, you may see %Invalid IPV6 address error in the console log file. To rectify this error, enter global configuration mode, and re-enter the missing IPv6 alias commands and save the configuration. The commands will be persistent on subsequent reloads. |
For more information on upgrading the software, see the Installing the Software section of the Software Configuration Guide for the Cisco 4000 Series ISRs.
Recommended Firmware Versions
The following table lists the recommended ROMMON and CPLD versions for Cisco IOS XE 17.2.x onwards releases.
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Cisco 4000 Series ISRs |
Existing ROMMON |
Cisco Field-Programmable Devices |
CCO URL for the CPLD Image |
|---|---|---|---|
|
Cisco 4461 ISR |
16.12(2r) |
21102941 |
|
|
Cisco 4451-X ISR |
16.12(2r) |
19042950 |
|
|
Cisco 4431 ISR |
16.12(2r) |
19042950 |
|
|
Cisco 4351 ISR |
16.12(2r) |
19040541 |
|
|
Cisco 4331 ISR |
16.12(2r) |
19040541 |
|
|
Cisco 4321 ISR |
16.12(2r) |
19040541 |
|
|
Cisco 4221 ISR |
16.12(2r) |
19042420 |
Note |
Upgrading Field-Programmable Hardware Devices
The hardware-programmable firmware is upgraded when Cisco 4000 Series ISR contains an incompatible version of the hardware-programmable firmware. To do this upgrade, a hardware-programmable firmware package is released to customers.
Generally, an upgrade is necessary only when a system message indicates one of the field-programmable devices on the Cisco 4000 Series ISR needs an upgrade, or a Cisco technical support representative suggests an upgrade.
From Cisco IOS XE Release 3.10S onwards, you must upgrade the CPLD firmware to support the incompatible versions of the firmware on the Cisco 4000 Series ISR. For upgrade procedures, see the Upgrading Field-Programmable Hardware Devices for Cisco 4000 Series ISRs.
Feature Navigator
You can use Cisco Feature Navigator to find information about feature, platform, and software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on cisco.com is not required.
New and Changed Information
New and Changed Hardware Features
There are no new hardware features for this release.
New and Changed Software Features
|
Feature |
Description |
|---|---|
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This feature provides the ip dhcp client vendor-class command that helps you configure the DHCP client to carry option 124 data in DHCPv4, along with the interface MAC address or user-defined string. When the option 124 data in DHCPv4 is disabled, it disables sending the option 124 in DHCPv4 messages. By default, the DHCPv4 client sends device PID as the value for option 124. |
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This feature provides the ipv6 dhcp client vendor-class command that helps you configure the DHCPv6 client to carry option 16 data in DHCPv6, along with the interface MAC address or user-defined string. When the option 16 data in DHCPv6 is disabled, it disables sending the option 16 in DHCPv6 messages. By default, the DHCPv6 client sends device PID as the value for option 16. |
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Using this feature you can configure to match the packets based on user defined field position and length. This can be used by an ACL to match packets that cannot be classified easily with the traditional Layer 3 and Layer 4 field information. |
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Support for Secure Real-time Transport Protocol (SRTP) Dual-Tone Multi-Frequency (DTMF) Interworking |
This feature provides support for Dual-Tone Multi-Frequency (DTMF) interworking between Cisco Unified Communications Manager (CUCM) and Secure Software MTP in pass-through mode. It is supported on both CUCM and Cisco IOS XE software. |
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Cisco Unified Border Element (CUBE) Features |
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Additional YANG configuration models are included in this release to enable Unified SRST secure calling, applications for CUBE, and additional codecs for voice class codec lists. |
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Configure the Router for Web User Interface
This section explains how to configure the router to access Web User Interface. Web User Interface requires the following basic configuration to connect to the router and manage it.
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An HTTP or HTTPs server must be enabled with local authentication.
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A local user account with privilege level 15 and accompanying password must be configured.
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Vty line with protocol SSH/Telnet must be enabled with local authentication. This is needed for interactive commands.
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For more information on how to configure the router for Web User Interface, see Cisco 4000 Series ISRs Software Configuration Guide, Cisco IOS XE 17.
Resolved and Open Bugs
This section provides information about the bugs in Cisco 4000 Series Integrated Services Routers and describe unexpected behavior. Severity 1 bugs are the most serious bugs. Severity 2 bugs are less serious. Severity 3 bugs are moderate bugs. This section includes severity 1, severity 2, and selected severity 3 bugs.
The open and resolved bugs for this release are accessible through the Cisco Bug Search Tool. This web-based tool provides you with access to the Cisco bug tracking system, which maintains information about bugs and vulnerabilities in this product and other Cisco hardware and software products. Within the Cisco Bug Search Tool, each bug is given a unique identifier (ID) with a pattern of CSCxxNNNNN, where x is any letter (a-z) and N is any number (0-9). The bug IDs are frequently referenced in Cisco documentation, such as Security Advisories, Field Notices and other Cisco support documents. Technical Assistance Center (TAC) engineers or other Cisco staff can also provide you with the ID for a specific bug. The Cisco Bug Search Tool enables you to filter the bugs so that you only see those in which you are interested.
In addition to being able to search for a specific bug ID, or for all bugs in a product and release, you can filter the open and/or resolved bugs by one or more of the following criteria:
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Last modified date
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Status, such as fixed (resolved) or open
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Severity
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Support cases
You can save searches that you perform frequently. You can also bookmark the URL for a search and email the URL for those search results.
Note |
If the bug that you have requested cannot be displayed, this may be due to one or more of the following reasons: the bug ID does not exist, the bug does not have a customer-visible description yet, or the bug has been marked Cisco Confidential. |
Resolved and Open Bugs in Cisco 4000 Series Integrated Services Routers
Resolved Bugs - Cisco IOS XE 17.10.1a
All resolved bugs for this release are available in the Cisco Bug Search Tool.
|
Bug ID |
Description |
|---|---|
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Router reloads unexpectedly during NHRP processing. |
|
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X25 FRMR seen when switching from XOT to low speed serial. |
|
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Device crashed - track the FMAN-FP's memory leak caused by cond-debug. |
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Improve debug for reload at crypto_dev_proxy_ipc_ipsec_sa_crt_hndlr when scale exceed limit. |
|
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PFP policy in SRTE, RIB resolution in FC bring down ipsec tunnel interface- stuck at linestate down. |
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DSL: erroneous atm interface counter at DSL retraining. |
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Standby WLC crash @ fman_acl_remove_default_ace. |
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GetVPN long SA - GM re-registration after encrypting 2^32-1 of packets in one IPSEC SA. |
Open Bugs - Cisco IOS XE 17.10.1a
All open bugs for this release are available in the Cisco Bug Search Tool.
|
Bug ID |
Description |
|---|---|
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Interface Vlan1 placed in shutdown state when configured with ip address pool . |
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IOS-XE: High CPU utilization caused by NHRP. |
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MSR Unicast-To-Multicast not working if DST and SRC are the same in Service Reflect configuration. |
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Data Plane crash on device when making QoS configuration changes. |
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Failed to ping gateway while configuring Shared LOM with console, te1 interface, until router reload. |
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Device crashing and restarting during call flow with new image. |
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IKEv2 RRI routes are intermittently disappearing from a FlexVPN hub. |
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FMAN crash seen in SGACL@ fman_sgacl_calloc. |
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Unexpected reboot due to IOSXE-WATCHDOG: Process = Crypto IKMP. |
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Segmentation fault crash in CCSIP_SPI_CONTROL process. |
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CUBE call leak at FPI layer. |
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Unexpected reload due to segmentation fault in the CCSIP_SPI_CONTROL process. |
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When using SRTP with higher ciphers, CUBE is inserting distortion in voice. |
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Device crashed in SSP load test. |
Related Documentation
Communications, Services, and Additional Information
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To submit a service request, visit Cisco Support.
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To discover and browse secure, validated enterprise-class apps, products, solutions and services, visit Cisco Marketplace.
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To obtain general networking, training, and certification titles, visit Cisco Press.
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To find warranty information for a specific product or product family, access Cisco Warranty Finder.
Cisco Bug Search Tool
Cisco Bug Search Tool (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.
Documentation Feedback
To provide feedback about Cisco technical documentation, use the feedback form available in the right pane of every online document.
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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