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August 31st, 2017 13:00

Link Aggregation LAG

Hi, I'm starting on dell switching and I wonder if it is posible to create a link aggregation between a dell switch N3000 and a cisco switch core 4506E, thanks for your time.

212 Posts

August 31st, 2017 14:00

Check out this paper.  There is a section providing the steps to create the LAG you need.

http://en.community.dell.com/techcenter/networking/m/networking_files/20440256/download

-B

September 6th, 2017 15:00

Thanks Barret that was really helpful, but I've encountered with difficulties when I'm trying to set the ports to the LAG. The ports 31 and 32 of my cisco switch are the ones with the LAG connection, I get the following message when I'm trying to configure the channel group:

Gi4/24 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/25 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/26 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/27 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/28 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/29 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/30 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/31 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/32 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/33 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/34 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/35 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/36 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/37 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/38 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/39 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/40 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/41 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/42 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/43 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/44 LAN-EDV notconnect 1 auto auto 10/100/1000-TX


SW-CORE-EDV#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
SW-CORE-EDV(config)#interface range GigabitEthernet 4/31-32
SW-CORE-EDV(config-if-range)#switchport
SW-CORE-EDV(config-if-range)#channel-group 1 mode active
Command rejected (Channel protocol mismatch for interface Gi4/31 in group 1): the interface can not be added to the channel group

% Range command terminated because it failed on GigabitEthernet4/31

any ideas on how I can solve this, thank you very much!!

212 Posts

September 6th, 2017 16:00

It seems you may be missing one or two commands.  Try adding the following first:

        switchport mode trunk

If that doesn't work, try changing the channel-group 1 mode active to

        channel-group 1 mode on

Also, be sure you have the port-channel configured.  Some switches require you define it separately:

        interface port-channel 1 

-B

September 7th, 2017 16:00

I've tried those commands and it didn't work, it give me the same message about a mismatch protocol, for a better understanding of the error here is the entire log:

SW-CORE-EDV#show switch-port status
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show switchport status
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show switchport status
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show port-channel
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
SW-CORE-EDV(config)#interface GigabitEthernet 4/32
SW-CORE-EDV(config-if)#interface GigabitEthernet 4/31
SW-CORE-EDV(config-if)#switchport
SW-CORE-EDV(config-if)#channel-group 1 mode active
Command rejected (Channel protocol mismatch for interface Gi4/31 in group 1): the interface can not be added to the channel group

SW-CORE-EDV(config-if)#channel-group 2 mode active
Command rejected (Port-channel2, Gi4/31): Source and destination monitor interfaces are not allowed to be part of an etherchannel

SW-CORE-EDV(config-if)#channel-group 3 mode active
Command rejected (Port-channel3, Gi4/31): Source and destination monitor interfaces are not allowed to be part of an etherchannel

SW-CORE-EDV(config-if)#exit
SW-CORE-EDV(config)#show port status
^
% Invalid input detected at '^' marker.

SW-CORE-EDV(config)#show?
% Unrecognized command
SW-CORE-EDV(config)#show ?
% Unrecognized command
SW-CORE-EDV(config)#end
SW-CORE-EDV#show port?
port-security

SW-CORE-EDV#show interfaces status

Port Name Status Vlan Duplex Speed Type
Te1/1 notconnect 1 full auto No XCVR
Te1/2 notconnect 1 full auto No XCVR
Gi1/3 inactive 1 full 1000 No Gbic
Gi1/4 inactive 1 full 1000 No Gbic
Gi1/5 inactive 1 full 1000 No Gbic
Gi1/6 inactive 1 full 1000 No Gbic
Gi2/1 TRUNK BLADE IBM connected trunk a-full a-1000 10/100/1000-TX
Gi2/2 TRUNK BLADE IBM connected trunk a-full a-1000 10/100/1000-TX
Gi2/3 TRUNK BLADE IBM connected trunk a-full a-1000 10/100/1000-TX
Gi2/4 ACCESS BLADE IBM notconnect 40 auto auto 10/100/1000-TX
Gi2/5 ACCESS BLADE IBM notconnect 40 auto auto 10/100/1000-TX
Gi2/6 ACCESS BLADE IBM notconnect 40 auto auto 10/100/1000-TX
Gi2/7 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/8 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/9 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/10 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/11 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/12 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/13 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/14 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/15 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/16 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/17 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/18 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/19 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/20 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/21 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/22 LAN-EDV notconnect 40 auto auto 10/100/1000-TX
Gi2/23 LAN-EDV notconnect 40 auto auto 10/100/1000-TX
Gi2/24 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/25 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/26 LAN-EDV notconnect 1 auto auto 10/100/1000-TX

Port Name Status Vlan Duplex Speed Type
Gi2/27 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/28 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/29 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/30 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/31 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/32 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/33 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/34 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/35 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/36 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/37 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/38 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/39 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/40 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/41 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/42 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/43 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/44 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/45 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi2/46 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi2/47 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi2/48 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/1 SW-DELL-A1-PTO-34 connected trunk a-full a-1000 10/100/1000-TX
Gi3/2 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi3/3 SW-DELL-A2-PTO-34 connected trunk a-full a-1000 10/100/1000-TX
Gi3/4 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/5 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/6 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/7 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/8 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/9 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/10 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/11 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/12 LAN-EDV notconnect 1 auto auto 10/100/1000-TX

Port Name Status Vlan Duplex Speed Type
Gi3/13 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/14 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/15 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/16 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/17 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/18 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/19 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/20 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/21 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/22 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/23 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi3/24 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/25 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/26 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/27 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/28 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/29 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/30 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/31 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/32 LAN-EDV connected 1 a-half a-100 10/100/1000-TX
Gi3/33 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/34 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/35 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/36 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/37 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/38 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/39 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/40 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/41 LAN-EDV monitoring 1 a-full a-1000 10/100/1000-TX
Gi3/42 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/43 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/44 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/45 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi3/46 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX

Port Name Status Vlan Duplex Speed Type
Gi3/47 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi3/48 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/1 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/2 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/3 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/4 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/5 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/6 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/7 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/8 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/9 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/10 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/11 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/12 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/13 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/14 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/15 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/16 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/17 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/18 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/19 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/20 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/21 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/22 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/23 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/24 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/25 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/26 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/27 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/28 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/29 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/30 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/31 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/32 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX

Port Name Status Vlan Duplex Speed Type
Gi4/33 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/34 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/35 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/36 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/37 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/38 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/39 LAN-EDV connected 1 a-full a-100 10/100/1000-TX
Gi4/40 LAN-EDV connected 1 a-full a-1000 10/100/1000-TX
Gi4/41 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/42 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/43 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/44 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/45 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/46 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/47 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Gi4/48 LAN-EDV notconnect 1 auto auto 10/100/1000-TX
Po1 "LAG a DELL N3048" connected trunk a-full a-1000
Po2 notconnect 0 auto auto
Po3 notconnect 0 auto auto
Po5 notconnect 0 auto auto
SW-CORE-EDV#show ehterchannel sumary
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show etherchannel sumary
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator

M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port


Number of channel-groups in use: 4
Number of aggregators: 4

Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) - Gi2/1(P) Gi2/2(P) Gi2/3(P)
2 Po2(SD) -
3 Po3(SD) -
5 Po5(SD) -

SW-CORE-EDV#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
SW-CORE-EDV(config)#interface range GigabitEthernet 4/31-32
SW-CORE-EDV(config-if-range)#switchport mode trunk
SW-CORE-EDV(config-if-range)#channel-group 1 mode active
Command rejected (Channel protocol mismatch for interface Gi4/31 in group 1): the interface can not be added to the channel group

% Range command terminated because it failed on GigabitEthernet4/31
SW-CORE-EDV(config-if-range)#channel-group 1 mode on
Command rejected (Port-channel1, Gi4/31): Source and destination monitor interfaces are not allowed to be part of an etherchannel

% Range command terminated because it failed on GigabitEthernet4/31
SW-CORE-EDV(config-if-range)#exit
SW-CORE-EDV(config)#interface port-channel 1
SW-CORE-EDV(config-if)#description "LAG a N3048"
SW-CORE-EDV(config-if)#switchport
SW-CORE-EDV(config-if)#switchport trunk encapsulation dot1q
^
% Invalid input detected at '^' marker.

SW-CORE-EDV(config-if)#switchport mode trunk
SW-CORE-EDV(config-if)#switchport trunk encapsulation dot1q
^
% Invalid input detected at '^' marker.

SW-CORE-EDV(config-if)#no shutdown
SW-CORE-EDV(config-if)#end
SW-CORE-EDV#show etherchannel sumary
^
% Invalid input detected at '^' marker.

SW-CORE-EDV#show etherchannel summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator

M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port


Number of channel-groups in use: 4
Number of aggregators: 4

Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) - Gi2/1(P) Gi2/2(P) Gi2/3(P)
2 Po2(SD) -
3 Po3(SD) -
5 Po5(SD) -

SW-CORE-EDV#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
SW-CORE-EDV(config)#interface range GigabitEthernet 4/31-32
SW-CORE-EDV(config-if-range)#switchport
SW-CORE-EDV(config-if-range)#channel-group 1 mode on
Command rejected (Port-channel1, Gi4/31): Source and destination monitor interfaces are not allowed to be part of an etherchannel

% Range command terminated because it failed on GigabitEthernet4/31
SW-CORE-EDV(config-if-range)#exit
SW-CORE-EDV(config)#interface GigabitEthernet 4/31
SW-CORE-EDV(config-if)#switchport
SW-CORE-EDV(config-if)#channel-group 1 mode active
Command rejected (Channel protocol mismatch for interface Gi4/31 in group 1): the interface can not be added to the channel group

SW-CORE-EDV(config-if)#

thanks for the help.

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