About Trunking
D r a f t Ve r s i o n 3 - 0 3 D e c 2 0 0 8 - C i s c o C o n f i d e n t i a l
Trunking E Ports
Trunking the E ports enables interconnect ports to transmit and receive frames in more than one VSAN,
over the same physical link, using enhanced ISL (EISL) frame format.
Figure 16-1
Switch 1
Note
Trunking is not supported by internal ports on both the Cisco Fabric Switch for HP c_Class BladeSystem
and the Cisco Fabric Switch for IBM BladeCenter.
Trunking F Ports
Trunking F ports allows interconnected ports to transmit and receive tagged frames in more than one
VSAN, over the same physical link.
with MDS core switches, NPV switches, third-party core switches, and HBAs.
Figure 16-2
3rd party Core
Cisco MDS 9000 Family CLI Configuration Guide
16-2
Trunking E Ports
Any other
switch
ISL
E port
E port
Trunking F Ports
Switch
TF
F
3
EPP
5
NP
TNP
EVFP
HB A
Switch 1
TE port
Figure 16-2
represents the possible trunking scenarios in a SAN
MDS Core
Switch
TF
TF
2
4
EPP
EPP
TNP
TNP
NPV Switch
F
TF
1b
EVFP
N
TN
HB A
Chapter 16
Switch 2
EISL
TE port
Trunking
EVFP
1a
TN
HB A
OL-18084-01, Cisco MDS NX-OS Release 4.x
Configuring Trunking