Which task must be performed first to implement BFD in an IS-IS environment?
A. Configure BFD in an interface configuration mode.
B. Disable Cisco Express Forwarding on all interfaces running routing protocols other than IS-IS.
C. Configure all IS-IS routers as Level 2 devices.
D. Configure BFD under the IS-IS process.
Which task must be performed first to implement BFD in an IS-IS environment?
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Which task must be performed first to implement BFD in an IS-IS environment?
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