application signature verification is performed by default for all applications during installation.

New Features for Cisco Catalyst IE and ESS Switches in Cisco IOS XE 17.15.1

• There are no new features in this release.

Behavior Changes
CSDL Issue

• From 17.15.1 release, application signature verification is performed by default for all applications during installation. Only Cisco-signed applications can be installed after verification. Unsigned applications will not be allowed to install.

Open Caveats in Cisco IOS XE 1.87.15.1

• CSCwk86434 : IE3100: Configuration failed to parse with a good ciscortr.cfg.
• Resolved Caveats in Cisco IOS XE 17.15.1
• CSCwi31665: IE3400 shows in inventory with Incorrect Category Network Device error
• CSCwi66479: Intermittent packet drops and log "Error: LPM IPv6 100% capacity is reached."
• CSCwi69364: NETCONF get config returns <add> <add> and <remove> after changing allowed trunk VLANs via CLI
• CSCwj23080: IE-3400 crashes after clear cts due segmentation fault
• CSCwj34960: IE3400: IPDT feature with vrf configuration causes arp learning failure
• CSCwj70605: Switch drops ARP packets for a VLAN, when DAI is configured globally on any VLAN
• CSCwj91206: Profinet and LLDP configuration is not visible in startup config and is missing after reload
• CSCwk30765: PNP/Autoinstall failing.