Juniper JUNOS - NETWORK OPERATION GUIDE REV1

Understanding Redundant SIBs ! 545
Chapter 40: Monitoring Redundant SIBs
SIB Location and Redundancy
Figure 225 shows the location of the SIBs in the M320 router, T320 router, and T640
routing node.
Figure 225: M320 Router, T320 Router, and T640 Routing Node SIB Location
SIBs
SIB0
SIB1
SIB2
SIB0
SIB1
SIB2
SIB3
SIB4
T320
g002298
T640
M320
A
M
A
S
T
E
R
F
A
I
L
O
K
A
B
B
M
A
S
T
E
R
F
A
I
L
O
K
A
C
T
IV
E
O
K
F
A
I
L
CB-M
CB-M
S
IB
-M
S
IB
-M
S
IB
-M
S
IB
-M
A
C
T
IV
E
O
K
FA
I
L
A
C
T
IV
E
O
K
F
A
I
L
A
C
T
IV
E
O
K
FA
I
L
SIBs
C
B
0
R
E
0
R
E
1
C
B
1
SIB
0
S
IB
1
S
IB
2
S
IB
3
SIB0 (backup SIB)
SIB1
SIB2
SIB3
SIBs