Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 242

Stacking the Cisco EtherSwitch Service Modules
Figure 18-8 Switch Stack with Full Bandwidth Connections
A= ACT
S= SPEED
A FE 0/1
F
S
L
PVDM2 PVDM1 PVDM0
NME-XD-
24x 23x
24ES-
1S-P
24x
Figure 18-9
incomplete cabling connections. This stack provides only half bandwidth and does not have redundant
connections.
Figure 18-9 Switch Stack with Half Bandwidth Connections
A= ACT
S= SPEED
A FE 0/1
F
S
L
PVDM2 PVDM1 PVDM0
NME-XD-
24x
24ES-
1S-P
24x
Figure 18-10
Catalyst 3750 switches with failover conditions.
In Figure
not have redundant connections.
In Figure
EtherSwitch service module 1 becomes the stack master of one stack and one of the Catalyst 3750
switches becomes the stack master of the second stack.
Cisco Network Modules Hardware Installation Guide
18-16
A= FDX
A= LINK
FE 0/0 A
F
S
L
AIM1 AIM0
22x 21x 20x 19x 18x 17x 16x 15x 14x
13x 12x 11x 10x 9x 8x 7x 6x 5x 4x 3x 2x
A
C
shows a stack of Cisco EtherSwitch service modules and Catalyst 3750 switches with
A= FDX
A= LINK
FE 0/0 A
F
S
L
AIM1 AIM0
23x 22x 21x 20x 19x 18x 17x
16x 15x 14x 13x 12x 11x 10x 9x 8x 7x 6x 5x
B
STACK 2
and Figure 18-11 show examples of stacks of Cisco EtherSwitch service modules and
18-10, the cable in link B is bad; therefore, this stack provides only half bandwidth and does
18-11, link B is bad, and the stack is partitioned into two separate stacks. The Cisco
Chapter 18
1x WHILE HULC STACK CABLES
ARE ON THE FACEPLATE,
CLASS 1 LASER PRODUCT ALL 6-32 THUMB SCREWS MUST
LASERPRODUKT DER KLASSE 1 BE SECURED
PRODUIT LASER DE CLASSE 1
PRODUCTO LASER CLASE 1
1
GE 1
2x
B
4x 3x 2x 1x
WHILE HULC STACK CABLES
ARE ON THE FACEPLATE,
CLASS 1 LASER PRODUCT ALL 6-32 THUMB SCREWS MUST
LASERPRODUKT DER KLASSE 1 BE SECURED
PRODUIT LASER DE CLASSE 1
PRODUCTO LASER CLASE 1
1
GE 1
STACK 2
2x
A
Connecting Cisco EtherSwitch Service Modules
EN
EN
OL-2485-20