Cisco Catalyst 3650 Series User Manual

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IPv6 CEF is disabled globally or locally on an interface
The bfd interval configuration is removed when the subinterface on which its is configured is removed.
If we configure bfd interval command in interface config mode, then bfd echo mode is enabled by default.
We need to enable either no ip redirect (if BFD echo is needed) or no bfd echo in interface config mode.
Before using BFD echo mode, you must disable sending Internet Control Message Protocol (ICMP)
redirect messages by entering the no ip redirect command, in order to avoid high CPU utilization.
Note
Examples
The following example shows the BFD session parameters set for Gigabit Ethernet 1/0/3:
Device> enable
Device# configuration terminal
Device(config)# interface gigabitethernet 1/0/3
Device(config-if)# bfd interval 100 min_rx 100 multiplier 3
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
686
bfd

Cisco Catalyst 3650 Series Specifications

General

RAM	4 GB
Flash Memory	4 GB
Ports	24 or 48 10/100/1000 Ethernet ports
Uplinks	4 x 1G SFP or 4 x 10G SFP+ (depending on model)
Stacking	Up to 9 switches with StackWise-160
Layer Support	Layer 2, Layer 3
Software	Cisco IOS Software
Power Supply	Internal power supply; optional redundant power supply available
Storage Temperature	-40°F to 158°F (-40°C to 70°C)