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Occasional Contributor
Posts: 5
Registered: ‎02-28-2010

Interconnecting Brocade DCX with Brocade 4020 fails

Hello,

I'm trying to interconnect two brocade switches but this fails with the message "E-Port  segmented,(Op Mode incompat)"

The two switch models are running in native Brocade mode and having an ISL in between and they are of type:

. Brocade DCX - IBM SAN384B (fw. v6.3.0b)

. Brocade 4020 - 20-port 4 Gb SAN Switch Module for IBM BladeCenter (fw. v6.1.1b)

The error I'm getting on each of them beside the one mentioned above are:

On DCX     : port 11, ELP rejected by the other switch.

On 4020    : port 0, incompatible flow control parameters (2).

Below you can see some parameters which are effective at this moment:

. Brocade DCX ( IBM SAN384B)

buffd02:FID128:admin> switchshow
...
switchType:     77.3
switchState:    Online  
switchMode:     Native
switchRole:     Principal
switchDomain:   21
switchId:       fffc15
switchWwn:      10:00:00:05:1e:ac:99:00
zoning:         ON (SAN02)
switchBeacon:   OFF
FC Router:      OFF
Allow XISL Use: OFF
LS Attributes: 
Index Slot Port Address Media Speed State     Proto
===================================================

11    1   11   150b00   id    N4   Online      FC  E-Port  segmented,(incompatible)


buffd02:FID128:admin> portcfgshow 1/11

Area Number:              11

Speed Level:              AUTO(HW)

Fill Word:                0(Idle-Idle)

AL_PA Offset 13:          OFF

Trunk Port                ON

Long Distance             OFF

VC Link Init              OFF

Locked L_Port             OFF

Locked G_Port             OFF

Disabled E_Port           OFF

ISL R_RDY Mode            OFF

RSCN Suppressed           OFF

Persistent Disable        OFF

NPIV capability           ON

QOS E_Port                OFF

Port Auto Disable:        OFF

Rate Limit                OFF

EX Port                   OFF

Mirror Port               OFF

Credit Recovery           ON

F_Port Buffers            OFF

buffd02:FID128:admin> version
Kernel:     2.6.14.2  
Fabric OS:  v6.3.0b
Made on:    Thu Oct 29 21:41:09 2009
Flash:      Wed Feb 10 14:55:24 2010
BootProm:   1.0.15
rzbbuffd02:FID128:admin> configshow | grep fabric
fabric.domain:21
fabric.ididmode:1
fabric.ops.BBCredit:16
fabric.ops.E_D_TOV:2000
fabric.ops.R_A_TOV:10000
fabric.ops.bladeFault_on_hwErrlevel:0
fabric.ops.dataFieldSize:2112
fabric.ops.max_hops:7
fabric.ops.mode.fcpProbeDisable:0
fabric.ops.mode.isolate:0
fabric.ops.mode.longDistance:1
fabric.ops.mode.noClassF:0
fabric.ops.mode.pidFormat:1
fabric.ops.mode.tachyonCompat:0
fabric.ops.mode.unicastOnly:0
fabric.ops.mode.useCsCtl:0
fabric.ops.vc.class.2:2
fabric.ops.vc.class.3:3
fabric.ops.vc.config:0xc0
fabric.ops.vc.linkCtrl:0
fabric.ops.vc.multicast:7
fabric.ops.wan_tov:0
fabric.principalSwSelMode:1
fabric.wwnPidMode:0
switch.interopMode:0
switch.largeEntry.cap:0
switch.mcdtDefaultZone:0
switch.mcdtFabricMode:0
switch.mcdtSafeZone:0
. Brocade 4020 - 20-port 4 Gb SAN Switch Module for IBM BladeCenter

bufbc103:USERID> switchshow

switchType:     37.1

switchState:    Online  

switchMode:     Native

switchRole:     Principal

switchDomain:   31

switchId:       fffc1f

switchWwn:      10:00:00:05:1e:05:d4:0d

zoning:         OFF

switchBeacon:   OFF

Area Port Media Speed State     Proto

=====================================

  0   0   id    N4   Online           E-Port  segmented,(Op Mode incompat)

.....
bufbc103:USERID> portcfgshow 0
Area Number:              0
Speed Level:              AUTO
AL_PA Offset 13:          OFF
Trunk Port                ON
Long Distance             OFF
VC Link Init              OFF
Locked L_Port             OFF
Locked G_Port             OFF
Disabled E_Port           OFF
ISL R_RDY Mode            OFF
RSCN Suppressed           OFF
Persistent Disable        OFF
NPIV capability           ON
QOS E_Port                OFF
Port Auto Disable:        OFF
bufbc103:USERID> version
Kernel:     2.6.14.2  
Fabric OS:  v6.1.1a
Made on:    Fri Sep 19 20:05:40 2008
Flash:      Thu Feb 17 10:31:49 2011
BootProm:   4.6.6

bufbc103:USERID> configshow | grep fabric

fabric.domain:31

fabric.ididmode:0

fabric.ops.BBCredit:16

fabric.ops.E_D_TOV:2000

fabric.ops.R_A_TOV:10000

fabric.ops.bladeFault_on_hwErrlevel:0

fabric.ops.dataFieldSize:2112

fabric.ops.max_hops:7

fabric.ops.mode.fcpProbeDisable:0

fabric.ops.mode.isolate:0

fabric.ops.mode.longDistance:0

fabric.ops.mode.noClassF:0

fabric.ops.mode.pidFormat:1

fabric.ops.mode.tachyonCompat:0

fabric.ops.mode.unicastOnly:0

fabric.ops.mode.useCsCtl:0

fabric.ops.vc.class.2:2

fabric.ops.vc.class.3:3

fabric.ops.vc.config:0xc0

fabric.ops.vc.linkCtrl:0

fabric.ops.vc.multicast:7

fabric.ops.wan_tov:0

fabric.principalSwSelMode:0

webtools.fabricevents.enabled:1

switch.interopMode:0

switch.largeEntry.cap:0

switch.mcdtDefaultZone:0

switch.mcdtFabricMode:0

switch.mcdtSafeZone:0

Could you please have a look and give me an advice what is wrong?
Thanks.
Valued Contributor
Posts: 931
Registered: ‎12-30-2009

Re: Interconnecting Brocade DCX with Brocade 4020 fails

At least fabric.ididmode is 1 on one and 0 on the other switch, but i do not know if that prohibits your merge.

What type of event (number) did you get on both switches?

Occasional Contributor
Posts: 5
Registered: ‎02-28-2010

Re: Interconnecting Brocade DCX with Brocade 4020 fails

The events are:

On DCX     : port 11, ELP rejected by the other switch.
On 4020    : port 0, incompatible flow control parameters (2).
In regard to fabric.ididmode I can say that I have another functional fabric in which I have two different type of switches and these parameters are as well different.
1. Brocade DCX - IBM SAN768B
fabric.ididmode:1
2. Brocade 20-port 8 Gb SAN Switch Module for IBM BladeCenter

fabric.ididmode:0

Valued Contributor
Posts: 931
Registered: ‎12-30-2009

Re: Interconnecting Brocade DCX with Brocade 4020 fails

Ok so those will work together.

What I mend with event number is something thats looks like FABR-1001 or PORT-1234

Those refer to what's wrong and recommended actions to take as per FOS Messages Reference Guide.

Are there differences when you compare switch and portcfg from your working fabic.

Are you using VF?

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