Global System Configuration
Assign Global Configuration Information
38
Best Practice User Guide for the Catalyst 3850 and Catalyst 3650 Switch Series
This example configuration shows how to create global policies that are applied to the interfaces
described in the “Access Control on the Wired Network” workflow.
Increase the TFTP Block Size
Step 14 Increase the TFTP block size to the maximum allowed value of 8192.
By default, the switch uses a TFTP block size value of 512, which is the lowest possible value. Increasing
this global value significantly improves the TFTP file transfer time.
Enable New Members to Automatically Update to the Switch Stack Image
Step 15 Enable the Auto Upgrade feature so that new switch members automatically update to the Cisco IOS
version that is running on the switch stack.
When new members join an existing switch stack, the Cisco IOS version of the new members must match
the Cisco IOS version of the existing members. The Auto Upgrade feature provides the ability to
automatically update new members when they join. However, this feature is not enabled by default.
Note The switch stack must be running Cisco IOS XE Release 3.3.1 or higher, or later in install mode.
For detailed information about the Auto Upgrade feature, see the Using the Auto-Upgrade feature on the
Cisco Catalyst 3850 document.
ipv6 nd raguard policy endhost_ipv6_raguard
device-role host
!
ipv6 nd raguard policy router_ipv6_raguard
device-role router
trusted-port
!
ipv6 nd raguard policy switch_ipv6_raguard
device-role switch
trusted-port
!
ipv6 dhcp guard policy endhost_ipv6_dhcp_guard
device-role client
!
ipv6 dhcp guard policy uplink_ipv6_dhcp_guard
device-role server
trusted-port
software auto-upgrade enable
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