[c-nsp] Load balancing on Portchan.

Fri Jul 29 01:43:17 EDT 2011

oh - and current load-balance is default of src mac

3560

sh etherchannel load-balance EtherChannel Load-Balancing Configuration:
        src-mac

EtherChannel Load-Balancing Addresses Used Per-Protocol:
Non-IP: Source MAC address
  IPv4: Source MAC address
  IPv6: Source MAC address

2950 has far less detail/options though...

#sh etherchannel load-balance Source MAC address

Quoting mb at adv.gcomm.com.au:

> Quoting Lee Starnes <lee.t.starnes at gmail.com>:
>
>> Hi,
>>
>> Can you provide config details on these for both sides? While we don't use
>> 2950 switches, run port channels at the gig level between 3550/60 and 6500
>> without these issues, so I suspect you have something missing in your
>> config.
>>
>
> Hi Lee,
>
> Config below:
>
> 3560:
>
> interface FastEthernet0/1
> description FEC_TO_ESW01_P20
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan 1,11,12,14,30,35,99,100,103,104,106-108,112,113
> switchport trunk allowed vlan add 115,120-123,129,132-136,138,156,158,160,186
> switchport trunk allowed vlan add 187,206,289,311,312,340,345,377-396,398,399
> switchport trunk allowed vlan add 402,406,422,444,472,473,475,478-488,492,493
> switchport trunk allowed vlan add 497,498,500,546,590,591,700,801-806,808,809
> switchport trunk allowed vlan add 811-815,865,866,868,869,957,970,973,974,978
> switchport trunk allowed vlan add 987,1002-1005,1829,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
> mls qos trust dscp
> storm-control broadcast level 20.00
> storm-control action trap
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
>
> interface FastEthernet0/2
> description FEC_TO_ESW01_P21
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan 1,11,12,14,30,35,99,100,103,104,106-108,112,113
> switchport trunk allowed vlan add 115,120-123,129,132-136,138,156,158,160,186
> switchport trunk allowed vlan add 187,206,289,311,312,340,345,377-396,398,399
> switchport trunk allowed vlan add 402,406,422,444,472,473,475,478-488,492,493
> switchport trunk allowed vlan add 497,498,500,546,590,591,700,801-806,808,809
> switchport trunk allowed vlan add 811-815,865,866,868,869,957,970,973,974,978
> switchport trunk allowed vlan add 987,1002-1005,1829,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
> mls qos trust dscp
> storm-control broadcast level 20.00
> storm-control action trap
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
>
> interface Port-channel2
> description FEC_TO_ESW01_BNE
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan 1,11,12,14,30,35,99,100,103,104,106-108,112,113
> switchport trunk allowed vlan add 115,120-123,129,132-136,138,156,158,160,186
> switchport trunk allowed vlan add 187,206,289,311,312,340,345,377-396,398,399
> switchport trunk allowed vlan add 402,406,422,444,472,473,475,478-488,492,493
> switchport trunk allowed vlan add 497,498,500,546,590,591,700,801-806,808,809
> switchport trunk allowed vlan add 811-815,865,866,868,869,957,970,973,974,978
> switchport trunk allowed vlan add 987,1002-1005,1829,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
>
> and 2950:
>
> interface FastEthernet0/20
> description FEC_TO_ESW02_P1
> switchport trunk allowed vlan 1,11,12,14,30,35,68,99,100,103,104,106-108,112
> switchport trunk allowed vlan add 113,115,120-123,129,132-136,138,156,158,160
> switchport trunk allowed vlan add 186,187,206,289,311,312,340,345,377-396,398
> switchport trunk allowed vlan add 399,402,406,422,444,472,473,475,478-488,492
> switchport trunk allowed vlan add 493,497,498,500,546,590,591,700,801-806,808
> switchport trunk allowed vlan add 809,811-815,865,866,868,869,957,970,973,974
> switchport trunk allowed vlan add 978,987,1829,2483,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
> mls qos trust dscp
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
> end
>
> interface FastEthernet0/21
> description FEC_TO_ESW02_P2
> switchport trunk allowed vlan 1,11,12,14,30,35,68,99,100,103,104,106-108,112
> switchport trunk allowed vlan add 113,115,120-123,129,132-136,138,156,158,160
> switchport trunk allowed vlan add 186,187,206,289,311,312,340,345,377-396,398
> switchport trunk allowed vlan add 399,402,406,422,444,472,473,475,478-488,492
> switchport trunk allowed vlan add 493,497,498,500,546,590,591,700,801-806,808
> switchport trunk allowed vlan add 809,811-815,865,866,868,869,957,970,973,974
> switchport trunk allowed vlan add 978,987,1829,2483,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
> mls qos trust dscp
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
>
> interface Port-channel2
> description FEC_TO_ESW02_BNE
> switchport trunk allowed vlan 1,11,12,14,30,35,68,99,100,103,104,106-108,112
> switchport trunk allowed vlan add 113,115,120-123,129,132-136,138,156,158,160
> switchport trunk allowed vlan add 186,187,206,289,311,312,340,345,377-396,398
> switchport trunk allowed vlan add 399,402,406,422,444,472,473,475,478-488,492
> switchport trunk allowed vlan add 493,497,498,500,546,590,591,700,801-806,808
> switchport trunk allowed vlan add 809,811-815,865,866,868,869,957,970,973,974
> switchport trunk allowed vlan add 978,987,1829,2483,2501,2506,2516,2518-2526
> switchport mode trunk
> switchport nonegotiate
>
>
> Thanks.
>
>
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