Which of the following two statements about Cisco NSF and SSO are the most relevant to the network designer? (Choose two.)

The correct answer is B. SSO and NSF each require the devices to either be graceful restart-capable or graceful restart- C. In a fully redundant topology adding redundant supervisors with NSF and SSO may cause longer. guide/9780132652933/ch02.html "In a fully redundant topology with tuned IGP timers, adding redundant supervisors with Cisco nonstop forwarding (NSF) and stateful switchover (SSO) may cause longer convergence times than single supervisors with tuned IGP timers." "A graceful…

Advanced Enterprise Campus Networks

Question

Options

AYou can reduce outages to 1 to 3 seconds by using SSO in a Layer 2 environment or Cisco NSF
BSSO and NSF each require the devices to either be graceful restart-capable or graceful restart-
CIn a fully redundant topology adding redundant supervisors with NSF and SSO may cause longer
DThe primary deployment scenario for Cisco NSF with SSO is in the Distribution and Core layers.
ECisco NSF-aware neighbor relationships are independent of any tuned IGP timers

How the community answered

(45 responses)

A
7% (3)
B
58% (26)
D
11% (5)
E
24% (11)

Explanation

guide/9780132652933/ch02.html "In a fully redundant topology with tuned IGP timers, adding redundant supervisors with Cisco nonstop forwarding (NSF) and stateful switchover (SSO) may cause longer convergence times than single supervisors with tuned IGP timers." "A graceful restart-aware neighbor is required so that graceful restart -capable systems can rebuild their databases and maintain their neighbor adjacencies across a switchover."

Topics

#NSF#SSO#graceful restart#high availability design

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