JN0-691 · Question #55
You have configured a LAG and are now enabling LACP on the ae0 interface. You have configured and committed the configuration as shown in the exhibit. However, the exhibit also shows that the ae0…
The correct answer is C. Configure R1's LACP configuration as active. See the full explanation below for the reasoning.
Question
You have configured a LAG and are now enabling LACP on the ae0 interface. You have configured and committed the configuration as shown in the exhibit. However, the exhibit also shows that the ae0 interface is now in the up/down state. What must you do to resolve this problem? [edit] user@R1# run show interfaces ge-1/1/2 terse Interface Admin Link Proto Local Remote ge-1/1/2 up up ge-1/1/2.0 up up aenet --> ae0.0 [edit] user@R1# run show interfaces ge-1/1/3 terse Interface Admin Link Proto Local Remote ge-1/1/3 up up ge-1/1/3.0 up up aenet --> ae0.0 [edit] user@R1# run show interfaces ae0 terse Interface Admin Link Proto Local Remote ae0 up down ae0.0 up down bridge [edit] user@R1# show interfaces ae0 aggregated-ether-options { lacp { periodic slow; system-priority 200; } } unit 0 { family bridge { interface-mode trunk; vlan-id-list 100; } } *********************************************************************** *** [edit] user@R2# run show interfaces ge-1/1/2 terse Interface Admin Link Proto Local Remote ge-1/1/2 up up ge-1/1/2.0 up up aenet --> ae0.0 [edit] user@R2# run show interfaces ge-1/1/3 terse Interface Admin Link Proto Local Remote ge-1/1/3 up up ge-1/1/3.0 up up aenet --> ae0.0 [edit] user@R2# run show interfaces ae0 terse Interface Admin Link Proto Local Remote ae0 up down ae0.0 up down bridge [edit] user@R2# show interfaces ae0 aggregated-ether-options { lacp { periodic fast; system-priority 100; } } unit 0 { family bridge { interface-mode trunk; vlan-id-list 100; } }
Options
- AConfigure both routers' ae0 LACP configuration to periodic fast.
- BChange the LACP system-priority of R1 to 300.
- CConfigure R1's LACP configuration as active.
- DConfigure R2's LACP configuration as passive.
How the community answered
(25 responses)- A12% (3)
- B4% (1)
- C80% (20)
- D4% (1)
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