Which three statements are true about the configuration on the router with hostname SaoPaulo?

Click the Exhibit button.

The output in the exhibit was captured on an interface. Which three statements are true about the configuration on the router with hostname SaoPaulo? (Choose three.)

The output in the exhibit was captured on an interface. Which three statements are true about the configuration on the router with hostname SaoPaulo? (Choose three.)

A.
Wide metrics is not in use.

B.
The router has the overload bit set to “on”.

C.
Authentication is enabled.

D.
System ID is 1921.6805.2001.

E.
Level 2 routing is enabled.



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Nguyen Duc Hoa

Nguyen Duc Hoa

I Thinks A, C and D are correct answers.

CCIP

CCIP

Can you explain why D and not E?

CombatChuk

CombatChuk

E has to be right, since this is a L2 lsp.

RL

RL

A,C and E are the right answers

Answer D states that your own system ID is below, but that’s not the case your neighbor has the below system-id.

System ID is 1921.6805.2001.

dev-null

dev-null

SauPaulo System ID is 1921.6804.8001, so D is incorrect

nfs5

nfs5

Could anyone explain why A (“wide metrics is NOT in use”) is correct? TLV 130 and 135 are present in the output, so the wide metrics are in use.

manish

manish

when wide metric is enabled TLV`s 2 and 128 are suppressed.
But we can see TLV appering in the exhibit.

DanyG

DanyG

By default, Junos OS supports the sending and receiving of wide metrics. Junos OS allows a maximum metric value of 63 and generates both pairs of TLVs. To configure IS-IS to generate only the new pair of TLVs and thus to allow the wider range of metric values, you must include the wide-metrics-only statement in the IS-IS configuration

kahrion

kahrion

That’s right DanyG, wide-metrics-only is the only way to configure wide metrics (in Juniper, dont if it’s a protocol limitation, can someone confirm?), no “normal” TLVs would be present in that case

trible_z

trible_z

By default, Junos advertise IP route using both small metric (TLV 128 & 130) and wide metric (TLV 135). But the appearance of TVL 128 & 130 lead router to ignore setting in TLV 135. So i thing “A” is correct

Jacky

Jacky

System ID is 1921.6805.2001 so D is also an right answer.