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тАО10-03-2008 03:04 PM
тАО10-03-2008 03:04 PM
Solved! Go to Solution.
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тАО10-06-2008 07:46 AM
тАО10-06-2008 07:46 AM
SolutionThe best option will be run LACP, it will create the channel automatically, and make it bigger when you add a new cable, if there is more than 1 VLAN traffic on the 3020 then you need to tag the ports also, it may look like this:
Cisco
interface GigabitEthernet0/22
switchport access vlan 100
channel-group 11 mode active
!
interface GigabitEthernet0/24
switchport access vlan 100
channel-group 11 mode active
Procurve
ProCurve(config)# int A1 lacp active
vlan 100
name "DEFAULT_VLAN"
untagged A1,A7-A10,A13-A24,B1-B24,Trk1
ip address 10.12.17.175 255.255.255.0
tagged A4-A6
no untagged A2-A3
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тАО10-06-2008 11:27 AM
тАО10-06-2008 11:27 AM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
So, this weekend we enabled the following on both Cisco switches:
configure t
interface range gig 0/17 - 20
shutdown
switchport mode trunk (note we also tried switchport mode access per some info that we found on the web)
channel-group 5 mode on
not shutdown
Then on the HP 2824s we disabled the connected ports, changed the connected ports on each to Trunk5 and Trunk type (not LACP), and then re-enabled. POW! Broadcast storm. On the HP switches STP disabled the trunk/ports and on the Ciscos then I received an err-disabled for the port-channel 5.
Hopefully this will give more information to help with my problem. Thanks again so much!
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тАО10-06-2008 11:43 AM
тАО10-06-2008 11:43 AM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
switchport mode trunk (IEEE 802.1q, traffic from all VLANs will be allowed), if you use cisco as trunk, you need to tag the Procurve ports:
Cisco Trunk = Procurve Tagging = IEEE 802.1q
What type of STP are you running on the Procurve? Do you really want STP on the 3020? Please provide STP settings
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тАО10-06-2008 12:00 PM
тАО10-06-2008 12:00 PM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
I apologize if this isn't what you need, but I do not know a whole lot about STP. The protocol enabled on the 2824s is RSTP. The ports on the Procurves that I have connected to the 3020s are configured as edge ports and also as connected to point-to-point segments. I dont know if this matters, but the flow control is enabled on these ports.
On the 3020 switches, STP mode is PVST. As far as knowing whether or not I want to enable STP on the 3020s, I'm not entirely sure. Honestly, I just want our blade servers to be able to have plenty of bandwidth to the rest of our servers, which is all I'm looking for out of the 3020 switches.
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тАО10-06-2008 12:04 PM
тАО10-06-2008 12:04 PM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
http://www.g33k.de/blog/wp-content/hp-cisco%20trunking.pdf
If you make 1 single channel from each cisco to each Procurve, and the crosslinks are disabled there is no need of STP
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тАО10-06-2008 12:05 PM
тАО10-06-2008 12:05 PM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
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тАО10-06-2008 12:07 PM
тАО10-06-2008 12:07 PM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
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тАО10-06-2008 12:10 PM
тАО10-06-2008 12:10 PM
Re: aggregating bandwidth from 2 Cisco 3020's to 2 HP 2824 Procurves
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тАО10-06-2008 12:24 PM
тАО10-06-2008 12:24 PM