Port-channel / Trunking / VSAN
Hi all,
I have a quick question...
I enabled trunking for all vsans and created a port-channel. I want to use this port-channel for all my vsans.
Does it matter in which vsan I add my port-channel?
If it doesn't matter why can I assign a port-channel to a vsan?
Cheers,
Mike
Mike,
It should be the same configuration on both sides for the port-channel to come up. The reason why you can assign a port-channel to a VSAN is that if you are using an E port then it depends on the matching port-channel VSAN to come up.
TE Port functionality is specific to MDS for enhanced ISL capabilities. E ports can be used for non-cisco switches to make the trunk work seamlessly as an E port.
You can refer to the following for more info:
http://www/en/US/docs/storage/san_switches/mds9000/sw/rel_3_x/configuration/guides/cli_3_4_x/trnk.html
http://www/en/US/docs/storage/san_switches/mds9000/sw/rel_3_x/configuration/guides/cli_3_4_x/pc.html
Hope this helps.
- Nikhil
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These FC links would be connected to a 2248XP Fabric Interconnect carrying multiple VSANs from the MDS to the Fabric Interconnect.
ThanksHello,
Yes, you can have trunk links grouped into port channel ( F port-channel trunking ) between FI and MDS.
http://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/2.0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_0101.html
Padma -
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I wrote the doc almost a year ago and it doesn't have the latest interop matrix support information. The current MDS NX-OS support is located in this doc: http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/interoperability/matrix/intmatrx.html
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As Ram mentioned above, 4.2(5) is what I would recommend if I wanted to implement f port-channel and/or f port-trunk. I have also had recent experience with 4.2(5) and it worked great with a large UCS f port-channel/trunk implementation
The specific switch limitations I mentioned in my doc still exist. Only certain models of MDS will support f port-trunk. Almost all models will support f port-channel.
Dave -
Hi, Cisco Experts:
Can I have a definitive answer to the following?
q1.
EMC mentioned that they do not support FC Port Channel & Trunking with regard to our UCS Fabric Interconnects/MDS/VNX5300?
Is that any truth in that?
We are trying a Cisco UCS solutions with MDS and EMC VNX in the mix-SAN Boot basically, ESXi 5.1 and all others.
q2.
From MDS all the ways up to EMC VNX, is there such concept too-FC Port Channel & Trunking, assuming we are doing FC Port Channel & Trunking from FInterconnect to MDS?
Please let me know.
Appreciate it.
SiMHi Sim,
We support FC port channel and trunking between UCS FI and MDS.
Is EMC saying about the port channel between the MDS and VNX? Is there any document EMC pointed out?
With respect to booting from SAN, yes, you can boot from SAN with MDS and EMC VNX as long as the OS is supported in the UCS system. You can refer to
http://www.cisco.com/en/US/products/ps10477/prod_technical_reference_list.html for the supported OS versions.
Hope this answers your question.
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Hi,
We have a N5K with NPIV configured and and MDS9148 we're gonna setup a port channel and have come to the conclusion that we need the F-port-channel-trunk feature enabled on the MDS side.
Question: Is enabling the F-port-channel-trunk feature on the MDS disruptive or non-disruptive?
--MIt's too late; I would say it is disruptive; however, the disruption is so short, that you didn't notice it. Similar without non F-port trunking channeling: using a link: the lost sessions are simply redistributed over the remaining links; new flogi is necessary.
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UCS FI 6248 to Nexus 5548 San port-channel - not working
Hi all,
I'm sure I am missing something fairly obvious and stupid but I need several sets of eyes and help.
Here is the scenario:
I want to be able to create san port-channels between the FI and Nexus. I don't need to trunk yet as I can't even get the channel to come up.
UCS FI 6248:
Interfaces fc1/31-32
Nexus 5548
interfaces fc2/15-16
FI is in end-host mode and Nexus is running NPIV mode with fport-channel-trunk feature enabled.
I'm going to output the relevants configurations below.
Nexus 5548:
NX5KA(config)# show feature | include enabled
fcoe 1 enabled
fex 1 enabled
fport-channel-trunk 1 enabled
hsrp_engine 1 enabled
interface-vlan 1 enabled
lacp 1 enabled
lldp 1 enabled
npiv 1 enabled
sshServer 1 enabled
vpc 1 enabled
interface san-port-channel 133
channel mode active
no switchport trunk allowed vsan all
switchport trunk mode off
interface fc2/15
switchport trunk mode off
channel-group 133 force
no shutdown
interface fc2/16
switchport trunk mode off
channel-group 133 force
no shutdown
NX5KA# show vsan membership
vsan 1 interfaces:
fc2/13 fc2/14
vsan 133 interfaces:
fc2/15 fc2/16 san-port-channel 133
vsan 4079(evfp_isolated_vsan) interfaces:
vsan 4094(isolated_vsan) interfaces:
NX5KA# show san-port-channel summary
U-Up D-Down B-Hot-standby S-Suspended I-Individual link
summary header
Group Port- Type Protocol Member Ports
Channel
133 San-po133 FC PCP (D) FC fc2/15(D) fc2/16(D)
UCS Fabric Interconnect outputs:
UCS-FI-A-A(nxos)# show san-port-channel summary
U-Up D-Down B-Hot-standby S-Suspended I-Individual link
summary header
Group Port- Type Protocol Member Ports
Channel
133 San-po133 FC PCP (D) FC fc1/31(D) fc1/32(D)
UCS-FI-A-A(nxos)#
UCS-FI-A-A(nxos)# show run int fc1/31-32
!Command: show running-config interface fc1/31-32
!Time: Fri Dec 20 22:58:51 2013
version 5.2(3)N2(2.21b)
interface fc1/31
switchport mode NP
channel-group 133 force
no shutdown
interface fc1/32
switchport mode NP
channel-group 133 force
no shutdown
UCS-FI-A-A(nxos)#
UCS-FI-A-A(nxos)# show run int san-port-channel 133
!Command: show running-config interface san-port-channel 133
!Time: Fri Dec 20 22:59:09 2013
version 5.2(3)N2(2.21b)
interface san-port-channel 133
channel mode active
switchport mode NP!Command: show running-config interface san-port-channel 133
!Time: Sat May 16 04:59:07 2009
version 5.1(3)N1(1)
interface san-port-channel 133
channel mode active
switchport mode F
switchport trunk mode off
Changed it as you suggested...
Followed the order of operations for "no shut"
Nexus FC -> Nexus SAN-PC -> FI FC -> FI SAN-PC.
Didn't work:
NX5KA(config-if)# show san-port-channel summary
U-Up D-Down B-Hot-standby S-Suspended I-Individual link
summary header
Group Port- Type Protocol Member Ports
Channel
133 San-po133 FC PCP (D) FC fc2/15(D) fc2/16(D)
NX5KA(config-if)#
Here is the output as you requested:
NX5KA(config-if)# show int san-port-channel 133
san-port-channel 133 is down (No operational members)
Hardware is Fibre Channel
Port WWN is 24:85:00:2a:6a:5a:81:00
Admin port mode is F, trunk mode is off
snmp link state traps are enabled
Port vsan is 133
1 minute input rate 1256 bits/sec, 157 bytes/sec, 0 frames/sec
1 minute output rate 248 bits/sec, 31 bytes/sec, 0 frames/sec
3966 frames input, 615568 bytes
0 discards, 0 errors
0 CRC, 0 unknown class
0 too long, 0 too short
2956 frames output, 143624 bytes
0 discards, 0 errors
46 input OLS, 41 LRR, 73 NOS, 0 loop inits
257 output OLS, 189 LRR, 219 NOS, 0 loop inits
last clearing of "show interface" counters never
Member[1] : fc2/15
Member[2] : fc2/16
NX5KA(config-if)#
NX5KA(config-if)# show int brief
Interface Vsan Admin Admin Status SFP Oper Oper Port
Mode Trunk Mode Speed Channel
Mode (Gbps)
fc2/13 1 auto on sfpAbsent -- -- --
fc2/14 1 auto on sfpAbsent -- -- --
fc2/15 133 F off init swl -- 133
fc2/16 133 F off init swl -- 133 -
Xconnect 20Gb Port-channel over MPLS Possible?
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Our intention is to terminate 10Gig server traffic on 4900M's and then have a 20Gb Port channel trunk link into a 6500 (which is part of the MPLS cloud). We would then issue the xconnect directly on the 20Gig port channel in order to traverse the MPLS Core.
Has anyone configured this before? Are there any caveats to watch out for? What sort of performance hit (if any does) xconnect functionality have on 10Gig Traffic.Hi,
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HTH
Laurent. -
Port-Channel MDS & UCS with a particular vsan
I am having trouble setting up a port-channel between MDS & UCS with a particular vsan. I was able to get a port-channel setup on VSAN 1 between and MDS9513 5.0(4d) and UCS 6120 XP 4.2 (1). When I try to do it with a specifc VSAN it fails. I set the VSAN on the 9513 interfaces and created the port-channel but it looks like it still wants to default to VSAN 1 when I do a sh int. I have added the same VSAN on the UCS side as well. I have tried to see if could set the vsan on the port-channel but it doesn't look like that command is offered. Any ideas?
Hello
Having no exp of UCS switches, this may be a bit off, but....
The vsan the port channel PORTS are in is of no consequence. The VSAN's that are allowed to traverse the trunk are the important bits. i.e:
interface port-channel 1
switchport trunk allowed vsan 1
switchport trunk allowed vsan add 60
switchport trunk allowed vsan add 80
Steven -
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We're trying to configure a port channel group with trunked ports to connect a NetApp HA pair. We want to create two data LIFs and connect them to the switch stack. We are trying to create 2 data lifs, one for cifs and one for nfs that are on different vlans.
We want the same ports to be able to allow multiple vlans to communicate. (trunked)
These data lifs should be able to fail over to different nodes in the HA pair and still be able to communicate on the network.
What this means is that we have to connect 4 ports each for each node in the NetApp HA Pair to the switches and create a port channel of some type that allows for trunked vlans. When we configure the ports, the configuration is as follows (below):
We are only able to configure an IP on one of the vlans.
When we configure an IP from another vlan for the data lif, it does not respond to a ping.
Does anyone have any idea what I'm doing wrong on the Cisco switch?
interface GigabitEthernet4/0/12
description Netapp2-e0a
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
channel-protocol lacp
channel-group 20 mode active
end
interface GigabitEthernet4/0/13
description Netapp2-e0c
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
channel-protocol lacp
channel-group 20 mode active
end
interface GigabitEthernet6/0/12
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switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
channel-protocol lacp
channel-group 20 mode active
end
interface GigabitEthernet6/0/13
description Netapp2-e0d
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
channel-protocol lacp
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description Netapp2-NFS
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
spanning-tree portfast
spanning-tree bpduguard enable
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I like all the suggestions, and they probably helped out with the configuration getting this to work.
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interface Port-channel20
description Netapp2-NFS
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
switchport mode trunk
interface GigabitEthernet4/0/12
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
switchport mode trunk
channel-protocol lacp
channel-group 20 mode active
interface GigabitEthernet4/0/13
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
switchport mode trunk
channel-protocol lacp
channel-group 20 mode active
interface GigabitEthernet6/0/12
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
switchport mode trunk
channel-protocol lacp
channel-group 20 mode active
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switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20,511,519
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Hi -
Scenario - 2 interface uplink (port-channel - Po10 ) from NetApp FAS-A to N5548-A & B. Po10 is currently configured with vPC10 and vFC10 at N5k end. single vfc currently mapped with a single vsan (vfc10 with vsan 1011).
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Difference between Trunk links and port channel
Hi
Can anyone please explain me the difference between the Trunk links and Ether channel ?Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
Liability Disclaimer
In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
Posting
As the other posters have already described, in Cisco parlance, a "trunk" is a link that carries VLAN tagged frames. (Note, Cisco has two technologies for these, ISL [old/proprietary] and IEEE 802.1Q [vendor independent].) An Etherchannel (also called a port-channel) is one logical link that includes one or more physical links. (Note, although Etherchannel can run across just one link, normally more than one link is configured. Older and most Cisco implementations support up to 8 links in one channel bundle. There's also multiple Cisco technologies that support Etherchannels, such as manual/PAgP[Cisco/old]/LACP[IEEE 802.3ad].)
Trunk links might also be configured on an Etherchannel link. -
SGE2010 port-channel and trunking config question
I have port-channels configured and working for the native VLAN on multiple SGE2010s. I now want to add multiple VLANs and enable trunking for the port-channel. I am not clear on the appropriate way to enable trunking as it can be enabled on the port and on the port-channel. The ports and port-channel are currently in access mode. If anyone can provide the correct configuration, I would appreciate the guidance. I also need to get the port-channels and trunking working with 3Com 4500 & 4200s. If you know of any configuration issues, again any guidance would be appreciated
Hi Jacqueline,
Sorry Juans answer needs some correction, but I am grateful for Juans participation.
The SGE2010 does not support a CLI.
There is a unsupported CLI, that someone plastered somehwere on this community, but i must admit i still like to use the GUI.
The software on the SGE2XXX was recently updated so you can find that on the cisco.com website.
I have created a link below to a recording i just made, regarding Link aggregation on the SGE2XXXX, i thnk if you see the 11 minute recording a couple of times, maybe pause it, play with your switch, it will start to make sense.
you can't breat the switch by configuring it
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Do I configure spanning-tree port type ed trunk on LACP port-channels
Hello,
Can't seem to see a clear answer and wondering if something could offer some advice please?
We are using LACP aggregation across all our 10 gig attached servers and also trunking them. We're running a VPC pair of 5596 Nexus.
For a standard trunk port I always add the spanning-tree port type edge trunk to the interface config.
However I think I should be adding this to the overiding port-channel config. At present a colleague has configured the VPC below omitting the spanning-tree port type config.
interface port-channel100
description a-server
switchport mode trunk
switchport trunk allowed vlan 100
vpc 100
The port member configs are these which do contain the spanning tree port type:
interface Ethernet1/1
description a-server(1)
switchport mode trunk
switchport trunk allowed vlan 100
spanning-tree port type edge trunk
channel-group 100 mode active
I always try to keep the overiding port channel config the same as its members and obviously for most config, you can't have disparate configs anyway.
However for the spanning tree config the NexOS allows you to have the members with spanning tree port types and not have to reflect that in the port-channel.
However I have this issue with STP:
Switch1# show spanning-tree interface po100
Vlan Role Sts Cost Prio.Nbr Type
VLAN0100 Desg BKN*200 128.4996 (vPC) Network P2p *BA_Inc
Is this due to the inconsistency with my port channel to member configs?
Any advice would be gratefully accepted.
Thanks!Hi Paul, there are some parameters you can define on individual ports and there are some of them that will be inherited from the port-channel configuration no matter what has been configured under the infidividual ports. Spanning-tree configuration is one of the inherited ones. As soon as the port joins into a port-channel, it will start to use spanning-tree settings under the port-channel. When it leaves the channel, then it can continue to use the individual configuration.
There is a nice summary here under NX-OS Interface Conf Guide > Port-Channel Conf:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/6_x/nx-os/interfaces/configuration/guide/if_portchannel.html#wp1798338
Evren -
Port Channel and VLAN trunking
When configuring trunking of VLANS accross a Port Channel, do we need to configure vlan pruning on both the port-Channel port and the physical ports ???
E.g. do I need to apply the "switchport trunk allowed vlan add " command under each physical port and the port channel port ? Or only under the port channel port ?
ThanksIn short, yes. Configure the port channel interface exactly as you do the physical interfaces and both ends should be an exact match. otherwise you will have problems getting the channel to come up or stay up.
-Mark -
hey I have a question about port-channel.
we have a port-channel 10 which contains 4 interfaces as below.
my question is how the port-channel associated with the servers? I mean the output "sh flogi database" as below........
do we need to add port-channel as a zone member ? I think the answer is no since I don;t see the port-channel as a zone member....
=================================================================
tormds01# sh interface port-channel 10
port-channel 10 is up
Hardware is Fibre Channel
Port WWN is 24:0a:54:7f:ee:a0:d5:48
Admin port mode is auto, trunk mode is on
snmp link state traps are enabled
Port mode is F
Port vsan is 510
Speed is 32 Gbps
5 minutes input rate 124316072 bits/sec, 15539509 bytes/sec, 9919 frames/sec
5 minutes output rate 2205921104 bits/sec, 275740138 bytes/sec, 141424 frames/sec
43540499847 frames input, 70772376296224 bytes
0 discards, 0 errors
0 CRC, 0 unknown class
0 too long, 0 too short
237450525827 frames output, 442040501099476 bytes
0 discards, 0 errors
0 input OLS, 0 LRR, 0 NOS, 0 loop inits
0 output OLS, 0 LRR, 0 NOS, 0 loop inits
Member[1] : fc1/1
Member[2] : fc1/5
Member[3] : fc1/9
Member[4] : fc1/13
Interface last changed at Tue Apr 8 22:16:49 2014
tormds01# sh flogi database
INTERFACE VSAN FCID PORT NAME NODE NAME
fc1/3 510 0x860000 50:06:01:64:3d:e0:24:d0 50:06:01:60:bd:e0:24:d0
[torvnx01_spa0]
fc1/7 510 0x860100 50:06:01:6c:3d:e0:24:d0 50:06:01:60:bd:e0:24:d0
[torvnx01_spb0]
fc1/11 510 0x860200 50:06:01:60:3d:e0:24:d0 50:06:01:60:bd:e0:24:d0
[torvnx01_spa2]
fc1/15 510 0x860300 50:06:01:68:3d:e0:24:d0 50:06:01:60:bd:e0:24:d0
[torvnx01_spb2]
port-channel 10 510 0x860400 24:0a:54:7f:ee:92:3e:80 21:fe:54:7f:ee:92:3e:81
port-channel 10 510 0x860401 20:01:04:25:b5:3a:00:8f 20:01:00:25:b5:30:00:8f
[mcvhes0101hba0]
port-channel 10 510 0x860402 20:01:04:25:b5:3a:00:9f 20:01:00:25:b5:30:00:9f
[mcvhes0102hba0]
port-channel 10 510 0x860404 20:01:04:25:b5:3a:00:6f 20:01:00:25:b5:30:00:6f
[mcvhes0103hba0]
port-channel 10 510 0x860408 20:01:04:25:b5:3a:00:7f 20:01:00:25:b5:30:00:7f
[mcvhes0104hba0]
port-channel 10 510 0x86040f 20:01:04:25:b5:3a:00:4f 20:01:00:25:b5:30:00:4f
[mcvhes0105hba0]
port-channel 10 510 0x860410 20:01:04:25:b5:3a:00:5f 20:01:00:25:b5:30:00:5f
[mcvhes0106hba0]
port-channel 10 510 0x860417 20:01:04:25:b5:3a:00:2f 20:01:00:25:b5:30:00:2f
[mcvhes0107hba0]
port-channel 10 510 0x860418 20:01:04:25:b5:3a:00:0f 20:01:00:25:b5:30:00:0f
[mcvhes0109hba0]
port-channel 10 510 0x86041b 20:01:04:25:b5:3a:00:bf 20:01:00:25:b5:30:01:bf
[mcvhes0110hba0]
port-channel 10 510 0x86041d 20:01:04:25:b5:3a:00:1f 20:01:00:25:b5:30:00:1f
[mcvhes0111hba0]
port-channel 10 510 0x86041e 20:01:04:25:b5:3a:00:3f 20:01:00:25:b5:30:00:3f
[mcvhes0108hba0]
port-channel 10 510 0x86041f 20:01:04:25:b5:3a:00:ff 20:01:00:25:b5:30:01:ff
[mcvhes0112hba0]
port-channel 10 510 0x860423 20:01:04:25:b5:3a:00:df 20:01:00:25:b5:30:01:df
[mcvhes0113hba0]
port-channel 10 510 0x860425 20:01:04:25:b5:3a:00:ef 20:01:00:25:b5:30:01:ef
[mcvhes0114hba0]
port-channel 10 510 0x860426 20:01:04:25:b5:3a:00:cf 20:01:00:25:b5:30:01:cf
[mcvhes0115hba0]
port-channel 10 510 0x860427 20:01:04:25:b5:3a:00:8e 20:01:00:25:b5:30:01:8f
[MCDBWS0200hba0]
port-channel 10 510 0x860429 20:01:04:25:b5:3a:00:9e 20:01:00:25:b5:30:01:9f
[MCDBWS0201hba0]
port-channel 10 510 0x86042a 20:01:04:25:b5:3a:00:7e 20:01:00:25:b5:30:01:7f
[mcvhes0118hba0]
port-channel 10 510 0x86042b 20:01:04:25:b5:3a:00:af 20:01:00:25:b5:30:01:af
[mcvhes0116hba0]
port-channel 10 510 0x86042c 20:01:04:25:b5:3a:00:6e 20:01:00:25:b5:30:01:6f
[mcvhes0117hba0]
port-channel 10 510 0x86042d 20:01:04:25:b5:3a:00:4e 20:01:00:25:b5:30:01:4f
[mcvhes0119hba0]
port-channel 10 510 0x86042e 20:01:04:25:b5:3a:00:5e 20:01:00:25:b5:30:01:5f
[mcvhes0120hba0]
port-channel 10 510 0x860431 20:01:04:25:b5:3a:00:2e 20:01:00:25:b5:30:01:2f
[awotorprodsql01hba0]
port-channel 10 510 0x860432 20:01:04:25:b5:3a:00:3e 20:01:00:25:b5:30:01:3f
[awotorprodsql02hba0]
port-channel 10 510 0x860435 20:01:04:25:b5:3a:00:fe 20:01:00:25:b5:30:00:ef
[dbcactv01n3hba0]
port-channel 10 510 0x860436 20:01:04:25:b5:3a:00:de 20:01:00:25:b5:30:00:bf
[dbcactv01n4hba0]
port-channel 10 510 0x860439 20:01:04:25:b5:3a:00:ce 20:01:00:25:b5:30:00:8e
[mcvhes0123hba0]
port-channel 10 510 0x86043a 20:01:04:25:b5:3a:00:be 20:01:00:25:b5:30:00:af
[mcvhes0122hba0]
port-channel 10 510 0x86043c 20:01:04:25:b5:3a:00:ae 20:01:00:25:b5:30:00:9e
[mcvhes0124hba0]
port-channel 10 510 0x860443 20:01:04:25:b5:3a:00:8d 20:01:00:25:b5:30:00:6e
[mcvhes0125hba0]
port-channel 10 510 0x860445 20:01:04:25:b5:3a:00:ee 20:01:00:25:b5:30:00:cf
[mcvhes0121hba0]
port-channel 10 510 0x860446 20:01:04:25:b5:3a:00:9d 20:01:00:25:b5:30:00:7e
[mcvhes0126hba0]
port-channel 10 510 0x860447 20:01:04:25:b5:3a:00:6d 20:01:00:25:b5:30:00:4e
[mcvhes0127hba0]
port-channel 10 510 0x860449 20:01:04:25:b5:3a:00:7d 20:01:00:25:b5:30:00:5e
[mcvhes0128hba0]I think what you do is F-Port trunking channeling !
port-channel as a zone member ? I assume you will do pwwn based zoning; in which case the answer is NO !
Maybe you are looking for
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