About Fcip - Cisco MDS 9000 series Configuration Manual

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
Configuring FCIP
Cisco MDS 9000 Family IP storage (IPS) services extend the reach of Fibre Channel SANs by using
open-standard, IP-based technology. The switch can connect separated SAN islands using Fibre Channel
over IP (FCIP).
FCIP is supported on the MDS 9222i switch, MSM-18/4 module, MDS 9216i switch, MPS-14/2 module,
Note
16-Port Storage Services Node (SSN-16), and IPS modules on MDS 9200 Series directors.
This chapter includes the following sections:
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About FCIP

The Fibre Channel over IP Protocol (FCIP) is a tunneling protocol that connects geographically
distributed Fibre Channel storage area networks (SAN islands) transparently over IP local area networks
(LANs), metropolitan area networks (MANs), and wide area networks (WANs).(See
Figure 2-1
Switch 1
FCIP uses TCP as a network layer transport. The DF bit is set in the TCP header.
For more information about FCIP protocols, refer to the IETF standards for IP storage at
Note
http://www.ietf.org. Also refer to Fibre Channel standards for switch backbone connection at
http://www.t11.org
OL-19525-01,Cisco MDS NX-OS Release 4.2(1)
About FCIP, page 2-1
Configuring FCIP, page 2-7
Default Settings, page 2-37
Fibre Channel SANs Connected by FCIP
Switch 2
Fibre
Channel
fabric
IP router
(see FC-BB-2).
C H A P T E R
Virtual (E)ISL
Switch 3
WAN
IP router
Cisco MDS 9000 Family NX-OS IP Services Configuration Guide
2
Figure 2-1).
Switch 4
Fibre
Channel
fabric
2-1