Which two configuration elements are defined under an MSTP instance? (Choose two)
A.
revision-level
B.
bridge-priority
C.
mstp-level
D.
vlan
Explanation:
The correct answer is B, D because revision-level is common for the all MSTI instances and it is configured one level up from MSTI instance section.Reference:
http://www.juniper.net/techpubs/en_US/junos10.0/information-products/topic-collections/config- guide-mx-series-layer2/mstp-edit-protocols.html
mstp {
bpdu-block-on-edge;
bridge-priority priority;
configuration-name configuration-name;
revision-level revision-level;
max-hops hops;
bridge-priority priority;
max-age seconds;
hello-time seconds;
forward-delay seconds;
interface interface-name {
bpdu-timeout-action ( block | alarm );
cost cost;
edge;
mode (p2p | shared);
no-root-port;
priority interface-priority;
}
msti msti-id {
bridge-priority priority; <<<<<<<<<<<<<<<<<<<<
vlan vlan-id; <<<<<<<<<<<<<<<<<<<<<<<<<<<
interface interface-name {
cost cost;
edge;
priority interface-priority;
}
}
Correct Answers
B.
D.