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Connecting an Enterasys C3K122-24 to a Cisco 6509

Posted on 2009-04-15
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Last Modified: 2012-05-06
I have an Enterasys C3K122-24 and a Cisco 6509 and I would like to connect 3 ports in aggregate to 3 ports on the Enterasys.  I set up the lag ports on the Enterasys switch and the port channel on the Cisco, but I must be doing something wrong.  Does anybody have experience with both Cisco and Enterasys switches who can give me some guidance?  
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Question by:Melvinf
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Author Comment

by:Melvinf
ID: 24147167
The current Enterasys commands:
set vlan egress 1 tg.1.25 tagged
set vlan egress 70 tg.1.25 tagged
set vlan egress 1 ge.1.22-24 tagged
set vlan egress 70 ge.1.22-24 tagged
set vlan egress 1 ge.1.1-21 untagged
set vlan egress 70 ge.1.1-21 untagged
set port lacp port ge.1.22-24 aadminkey 1
set lacp aadminkey lag.0.1 1
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Accepted Solution

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Melvinf earned 0 total points
ID: 24148217
I may have answered my own question.  After unplugging each of the ports on the Cisco 6509 and plugging them back in the 6509 began passing information on both vlan 1 and vlan 70.

6509 setup:
interface Port-channel70
 description Channel for Trunk
 switchport
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address

interface GigabitEthernet4/46
 description Trunk
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 power inline never
 channel-group 70 mode desirable
 spanning-tree cost 100
!
interface GigabitEthernet4/47
 description Trunk
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 channel-group 70 mode desirable
 spanning-tree cost 100
!
interface GigabitEthernet4/48
 description Trunk
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 channel-group 70 mode desirable
 spanning-tree cost 100
0
 

Author Comment

by:Melvinf
ID: 24226147
I need to make a correction:  You must use a standards based protocol also you must use MSTP - 802.1s - called MST spanning tree instead of PVST - http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_example09186a00807b075f.shtml

*** Port channel and interface settings.
interface Port-channel70
 description Name xxx
 switchport
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 shutdown
 spanning-tree cost 4

interface GigabitEthernet4/46
 description Name xxx
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 shutdown
 power inline never
 channel-protocol lacp
 channel-group 70 mode active
 spanning-tree portfast
 spanning-tree cost 10
!
interface GigabitEthernet4/47
 description Name xxx
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 shutdown
 power inline never
 channel-protocol lacp
 channel-group 70 mode active
 spanning-tree portfast
 spanning-tree cost 10
!
interface GigabitEthernet4/48
 description Name xxx
 switchport
 switchport trunk allowed vlan 1,70
 switchport mode trunk
 no ip address
 shutdown
 power inline never
 channel-protocol lacp
 channel-group 70 mode active
 spanning-tree portfast
 spanning-tree cost 10


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