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FL SWITCH MM HS(Rapid) Spanning Tree
6874_en_16
PHOENIX CONTACT
5-19
5.2.5.2
Example topologies
5.2.5.3
Redundant coupling of network segments
In this example, two network segments are connected via redundant data paths. Two RSTP
components have ports in the "Blocking/Discarding" state (highlighted in gray). This is
sufficient to operate the network.
Figure 5-15
Redundant coupling of network segments
6
7
8
9
10
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X
3
LNK MODE
1
2
X4
U
S
1
U
S
2
Fail
Re
s
et
MODE
ACT 100
FD
FL
S
WITCH MM H
S
Ord. No. 2
8
3
2
3
2 6
MAC
Addre
ss
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X
3
LNK MODE
1
2
X4
U
S
1
U
S
2
Fail
Re
s
et
MODE
ACT 100
FD
FL
S
WITCH MM H
S
Ord. No. 2
8
3
2
3
2 6
MAC
Addre
ss
1
2
3
4
5
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X
3
LNK MODE
1
2
X4
U
S
1
U
S
2
Fail
Re
s
et
MODE
ACT 100
FD
FL
S
WITCH MM H
S
Ord. No. 2
8
3
2
3
2 6
MAC
Addre
ss
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X
3
LNK MODE
1
2
X4
U
S
1
U
S
2
Fail
Re
s
et
MODE
ACT 100
FD
FL
S
WITCH MM H
S
Ord. No. 2
8
3
2
3
2 6
MAC
Addre
ss
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X
3
LNK MODE
1
2
X4
U
S
1
U
S
2
Fail
Re
s
et
MODE
ACT 100
FD
FL
S
WITCH MM H
S
Ord. No. 2
8
3
2
3
2 6
MAC
Addre
ss
FL
S
WITCH MC
S
16TX
Ord. No. 2
8
3
2 70 0
MAC
Addre
ss
1
3
5
7
2
4
6
8
9
11
1
3
15
10
12
14
16
9
16
10 11 12 1
3
14 15
1
8
2
3
4
5
6
7
MODE
ACT 100
FD
U
S
1 U
S
2 FAIL
X19
V.24
X17
U
S
1 GND U
S
2 GND
X1
8
R1 R2
FL
S
WITCH MC
S
16TX
Ord. No. 2
8
3
2 70 0
MAC
Addre
ss
1
3
5
7
2
4
6
8
9
11
1
3
15
10
12
14
16
9
16
10 11 12 1
3
14 15
1
8
2
3
4
5
6
7
MODE
ACT 100
FD
U
S
1 U
S
2 FAIL
X19
V.24
X17
U
S
1 GND U
S
2 GND
X1
8
R1 R2
FL
S
WITCH MC
S
16TX
Ord. No. 2
8
3
2 70 0
MAC
Addre
ss
1
3
5
7
2
4
6
8
9
11
1
3
15
10
12
14
16
9
16
10 11 12 1
3
14 15
1
8
2
3
4
5
6
7
MODE
ACT 100
FD
U
S
1 U
S
2 FAIL
X19
V.24
X17
U
S
1 GND U
S
2 GND
X1
8
R1 R2
FL
S
WITCH MC
S
16TX
Ord. No. 2
8
3
2 70 0
MAC
Addre
ss
1
3
5
7
2
4
6
8
9
11
1
3
15
10
12
14
16
9
16
10 11 12 1
3
14 15
1
8
2
3
4
5
6
7
MODE
ACT 100
FD
U
S
1 U
S
2 FAIL
X19
V.24
X17
U
S
1 GND U
S
2 GND
X1
8
R1 R2
FL
S
WITCH MC
S
16TX
Ord. No. 2
8
3
2 70 0
MAC
Addre
ss
1
3
5
7
2
4
6
8
9
11
1
3
15
10
12
14
16
9
16
10 11 12 1
3
14 15
1
8
2
3
4
5
6
7
MODE
ACT 100
FD
U
S
1 U
S
2 FAIL
X19
V.24
X17
U
S
1 GND U
S
2 GND
X1
8
R1 R2
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