Cisco MDS 9000 series Configuration Manual page 45
Nx-os ip services multilayer switches
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Also See for MDS 9000 series:
- Command reference manual (1464 pages) ,
- Configuration manual (344 pages) ,
- Troubleshooting manual (161 pages)
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Chapter 2
Configuring FCIP
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
The IPS module and MPS-14/2 module support FCIP links that originate from a B port SAN extender
device by implementing the B access ISL protocol on a Gigabit Ethernet interface. Internally, the
corresponding virtual B port connects to a virtual E port that completes the end-to-end E port
connectivity requirement (see
Figure 2-12
FCIP Link Terminating in a B Port Mode
Switch A
FC
F
FC
F
E
FC
Switch B
FC bridge
VE
B
access
FC
E
E
FC
FCIP interface
The B port feature in the IPS module and MPS-14/2 module allows remote B port SAN extenders to
communicate directly with a Cisco MDS 9000 Family switch, eliminating the need for local bridge
devices.
Configuring B Ports
When an FCIP peer is a SAN extender device that only supports Fibre Channel B ports, you need to
enable the B port mode for the FCIP link. When a B port is enabled, the E port functionality is also
enabled and they coexist. If the B port is disabled, the E port functionality remains enabled.
To enable B port mode, follow these steps:
Command
Step 1
switch(config-if)# bport
switch(config-if)# no bport
Step 2
switch(config-if)# bport-keepalive
switch(config-if)# no bport-keepalive
OL-19525-01,Cisco MDS NX-OS Release 4.2(1)
IP
FCIP link
B
GE
B access ISL
Figure
2-12).
7200 router
Fibre Channel
port adapter (1G)
B
access
FC
ISL
Purpose
Enables B port mode on the FCIP interface.
Reverts to E port mode on the FCIP interface (default).
Enables the reception of keepalive responses sent by a
remote peer.
Disables the reception of keepalive responses sent by a
remote peer (default).
Cisco MDS 9000 Family NX-OS IP Services Configuration Guide
B
FC
Switch C
FC
F
E
E
FC
Configuring FCIP
2-21
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