Chapter Review Questions
What’s the maximum number of PE routers that can participate in MC-LAG?
1
2
3
4
Can
active-active
MC-LAG be used with DPC line cards?Yes
No
Does the
service-id
have to match between PE routers?Yes
No
Does the
chassis-id
have to match between PE routers?Yes
No
What’s the purpose of
mc-ae-id
?A unique identifier to partition different MC-LAG interfaces
A unique identifier to group together interfaces across different PE routers to form a single logical interface facing towards the CE
A unique identifier for each physical interface
A unique identifier for each routing instance
What is a
redundancy-group
?A collection of MC-LAG interfaces
Serves as a broadcast medium for applications between PE routers
Provides physical interface redundancy
Used by ICCP to update MAC addresses
Which MC-LAG mode requires an ICL?
active-active
active-standby
How does MC-LAG
active-standby
influence how the CE forwards traffic?Administratively disables one of the interfaces
Physically shuts down one of the interfaces
Removes one of the interfaces from the LACP bundle
Places one of the interfaces of the CE into a Mux State of “Attached”
Which feature provides more routing engine scale?
MC-LAG
MX-VC
What IFFs are supported on MC-LAG interfaces (as of Junos 11.4)?
inet
bridge
vpls
ccc
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