Hardware Features in Cisco IOS XE Dublin 17.12.3
There are no new hardware features in this release.
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There are no new hardware features in this release.
There are no new software features in this release.
There are no behavior changes in this release.
There are no new hardware features in this release.
There are no new software features in this release.
There are no behavior changes in this release.
There are no new hardware features in this release.
Feature Name |
Applicable Models |
Description |
---|---|---|
BGP EVPN VXLAN
|
All Models |
The following BGP EVPN VXLAN features are introduced in this release:
|
DSCP marking for RADIUS packets for administrative sessions |
All Models |
Allows you to configure DSCP marking for RADIUS packets for administrative sessions such as SSH and Telnet.
|
Interface ID Option in DHCPv6 Relay Message |
All Models |
Introduces support for interface ID option in DHCPv6 Relay message. With this, the physical interface details of the client interface are included along with the VLAN number in the message.
|
Interface Template Support for IPv6 DHCP Guard |
All Models |
Enables you to add the ipv6 dhcp guard attach-policy policy_name global configuration command to an interface template. IPv6 DHCP Guard is then enabled and the policy is applied, wherever the template is applied.
|
IP DHCP Server Changes to Limit IP Assignment to Next Hop only |
All Models |
Allows you to assign DHCP IP address only to the neighbouring device in an interface using the ip dhcp restrict next hop command. When this command is enabled, the DHCP server in the interface uses the MAC addresses in the DHCP packet and compares it with the addresses in the Cisco Discovery Protocol (CDP) or Link Layer Discovery Protocol (LLDP) cache table. If the MAC addresses match, then the DHCP IP address is assigned to that device.
|
Modified Trustpoints for Secure Unique Device Identity (SUDI) Certificates |
All Models |
Starting from Cisco IOS XE Dublin 17.12.1, the following changes have been introduced for trustpoints.
|
Optimized Layer 2 Overlay Multicast for IPv4 and IPv6 traffic |
9500X |
Optimized Layer 2 Overlay Multicast forwards multicast traffic within the Layer 2 Virtual Network Instance (L2VNI). Support for optimized Layer 2 overlay multicast was introduced on the Cisco Catalyst 9500X Series Switches.
|
Programmability:
|
All Models |
The following programmability features are introduced in this release:
|
show idprom tan command |
All Models |
The show idprom tan command was introduced. It displays the top assembly part number and top assembly part revision number for the identification programmable read-only memory.
|
Support for NetFlow Version 5 and 32-bit Autonomous System Number Field |
9500H |
Support was introduced for Netflow Version 5 protocol and the 32-bit Autonomous System Number field.
|
New on the WebUI |
||
There are no new WebUI features in this release. |
Behavior Change |
Description |
---|---|
ip mtu command |
On the Catalyst 9500X Series Switches, the ip mtu command has been modified to perform IPv4 and IPv6 fragmentation on the specified IP MTU value. |
BDPU Guard and Root Guard Syslogs |
The BDPU guard and root guard syslogs have been modified to include client bridge ID information. |
ROMMON and FPGA Auto-upgrade |
On the C9500-12Q, C9500-16X, C9500-24Q, C9500-40X models of the Cisco Catalyst 9500 Series Switches, support for auto-upgrade of the ROMMON and field-programmable gate array (FPGA) have been introduced. Auto-upgrade to this release is supported only if the bootloader version is 17.10.1r or a later release. |