Release Notes for Cisco 8200 Series Secure Routers, Release 17.18.x

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Updated:September 11, 2025

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Updated:September 11, 2025
 

Cisco 8200 Series Secure Routers, Release 17.18.x. 3

New hardware features. 3

Resolved issues. 3

Open issues. 3

Compatibility. 4

Related resources. 4

Legal information. 4

 


 

Cisco 8200 Series Secure Routers, Release 17.18.x

Cisco IOS XE 17.18.1a is the first release for the Cisco 8200 Series Secure Routers in the Cisco IOS XE 17.18.x release series.

Cisco 8200 Series Secure Routers deliver secure networking simplified. Powered by the all-new secure networking processor and the unified Cisco secure networking platform, Cisco 8200 Series Secure Routers deliver robust, platform-level security, advanced performance engineering via routing and SD-WAN, and on-premises, infrastructure-as-code, or cloud management flexibility that enables businesses to seamlessly scale and grow. Each class of secure routers is designed to deliver risk reduction, enhanced reliability, and future readiness.

For information on the hardware features supported on the Cisco 8200 Series Secure Routers, refer to the Cisco 8200 Series Secure Routers datasheet.

New hardware features

This section provides a brief description of the new hardware features introduced in this release.

New hardware features for Cisco IOS XE 17.18.1a

Table 1.             New hardware features for Cisco 8200 Series Secure Routers, Release 17.18.1a

Feature

Description

Cisco 8200 Series Secure Routers

From Cisco IOS XE17.18.1a, Cisco 8200 Series Secure Routers are available in these models:

    C8231-G2

    C8235-G2

Resolved issues

This table lists the resolved issues in this specific software release.

Note: This software release may contain open bugs first identified in other releases. To see additional information, click the bug ID to access the Cisco Bug Search Tool. To search for a documented Cisco product issue, type in the browser: <bug_number> site:cisco.com.

Resolved issues in Cisco IOS XE 17.18.1a

There are no customer impacting bugs that were fixed in this release.

Open issues

This table lists the open issues in this specific software release.

Note: This software release may contain open bugs first identified in other releases. To see additional information, click the bug ID to access the Cisco Bug Search Tool. To search for a documented Cisco product issue, type in the browser: <bug_number> site:cisco.com.

Open issues in Cisco IOS XE 17.18.1a

Table 2.             Open issues for Cisco 8200 Series Secure Routers, Release 17.18.1a

Bug ID

Description

CSCwo53342

Device: bfd may be flapping when save configuration with write cmd.

CSCwq00263

ipv6 ipsec tunnel, ping failed with specific size.

CSCwk74329

Counters are cleared after shut/no shut gi0 interface.

CSCwo44899

selinux: vmanage failed to factory reset device caused by selinux deny.

CSCwq58084

Device: POE module insert time incorrect if reloading with future time and then sync back to correct time source.

CSCwo62154

Crash Encountered During PIM Swap quickly on device.

Compatibility

ROMMON compatibility matrix

The table lists the ROMMON releases supported in Cisco IOS XE 17.18.x releases.

Platforms

Cisco IOS XE Release

Minimum ROMMON Release supported for IOS XE

Recommended ROMMON Release supported for IOS XE

C8231-G2

17.18.1a

17.18(1.5r)

Not applicable

C8235-G2

17.18.1a

17.18(1.5r)

Not applicable

Related resources

●     Hardware Installation Guide for Cisco 8200 Series Secure routers

●     Cisco 8000 Series Secure Routers Licensing

●     Cisco 8200 Series Secure Routers Software Configuration Guide

Legal information

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: www.cisco.com/go/trademarks. 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. (1110R)

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.

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