From: Angelo De Guzman (ghie_pogi@yahoo.com)
Date: Mon Nov 04 2002 - 12:51:23 GMT-3
Hi Adam,
Thanks for the reply. It's very late here in manila
so I can't test this, these are my configs for both
3550 and it does'nt seem to work I received an email
from Sara and will try that config also tomorrow.
int port-channel 1
switchport trunk encapsulation dot1q
switchport mode trunk
int f0/45, 46, 47, and 48
switchport trunk encapsulation doq1q
switchport mode trunk
channel-group 5 mode desirable
this config does'nt, work1 is this correct? What's
wrong with this config?
What I observed here is that when I configured
trunking on the port-channel, the trunk configuration
is reflected on the etherchannel. I think this is fine
because I've read this in the documentation. When you
remove the trunk config the configs for trunk under
the interface are also removed.
Thanks AGAIN,
Angelo
--- Adam Crisp <adam.crisp@totalise.co.uk> wrote:
> hello,
>
> I have a cat 2924XL connected to a 3550.
>
> the terminology for the 2924XL is "port group"
> the terminology for the 3550 is "ether-channel
> port-channel"
>
> port fast 0/15 on the 2924XL is connected to fast
> 0/15 on the 3550
> port fast 0/16 on the 2924XL is connected to fast
> 0/16 on the 3550
>
>
> I have chosen to use 802.1Q trunking - because I
> prefer is personally - It's
> much better ;-)
>
>
> how to config:
> 2924XL:
> !
> cat2924xl#show run int fast 0/15
> Building configuration...
>
> Current configuration:
> !
> interface FastEthernet0/15
> duplex full
> speed 100
> port group 1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> end
>
> cat2924xl#show run int fast 0/16
> Building configuration...
>
> Current configuration:
> !
> interface FastEthernet0/16
> duplex full
> speed 100
> port group 1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> end
>
> cat2924xl#show port gr
> cat2924xl#show port group
> Group Interface Transmit Distribution
> ----- --------------------- ---------------------
> 1 FastEthernet0/15 source address
> 1 FastEthernet0/16 source address
> cat2924xl#!
> cat2924xl#show mac-address-table
> Dynamic Address Count: 22
> Secure Address Count: 0
> Static Address (User-defined) Count: 0
> System Self Address Count: 50
> Total MAC addresses: 72
> Maximum MAC addresses: 8192
> Non-static Address Table:
> Destination Address Address Type VLAN Destination
> Port
> ------------------- ------------ ----
> --------------------
> 0000.0c76.3504 Dynamic 20
> FastEthernet0/7
> 0002.4bd3.16e1 Dynamic 50
> FastEthernet0/19
> 0004.27ef.27fe Dynamic 254
> FastEthernet0/24
> 000a.8af2.7d00 Dynamic 30
> FastEthernet0/16
> 000a.8af2.7d00 Dynamic 90
> FastEthernet0/15
> 000a.8af2.7d00 Dynamic 254
> FastEthernet0/16
> 000a.8af2.7d0f Dynamic 1
> FastEthernet0/16
> 000a.8af2.7d10 Dynamic 1
> FastEthernet0/15
> 0010.4bfe.f5bf Dynamic 90
> FastEthernet0/16
> 0010.5a36.c69f Dynamic 30
> FastEthernet0/15
> 0010.7b80.43b3 Dynamic 10
> FastEthernet0/3
> 0010.7b81.1f53 Dynamic 10
> FastEthernet0/2
> 0010.7b81.86a6 Dynamic 50
> FastEthernet0/17
> 0010.7b81.86a7 Dynamic 40
> FastEthernet0/13
> 0050.5477.9080 Dynamic 254
> FastEthernet0/22
> 0050.5477.9090 Dynamic 10
> FastEthernet0/1
> 0050.7347.5480 Dynamic 1
> FastEthernet0/5
> 0050.7347.5481 Dynamic 1
> FastEthernet0/9
> 0050.7347.5481 Dynamic 30
> FastEthernet0/9
> 0050.7347.5481 Dynamic 90
> FastEthernet0/9
> 00d0.bbd4.3c61 Dynamic 50
> FastEthernet0/18
> cat2924xl#
>
>
> As you can see destination MAC's are spread accross
> the "port group"
>
> Now for the 3550
> !
> interface FastEthernet0/15
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> duplex full
> speed 100
> channel-group 1 mode on
> !
> interface FastEthernet0/15
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> duplex full
> speed 100
> channel-group 1 mode on
> end
>
> Cat3550#show run int fast 0/16
> Building configuration...
>
> Current configuration : 159 bytes
> !
> interface FastEthernet0/16
> switchport trunk encapsulation dot1q
> switchport mode trunk
> no ip address
> duplex full
> speed 100
> channel-group 1 mode on
> end
>
> Cat3550#
> Cat3550#show etherchannel port-channel
> Channel-group listing:
> -----------------------
>
> Group: 1
> ----------
> Port-channels in the group:
> ----------------------
>
> Port-channel: Po1
> ------------
>
> Age of the Port-channel = 00d:00h:10m:59s
> Logical slot/port = 1/0 Number of ports
> = 2
> GC = 0x00010001 HotStandBy
> port = null
> Port state = Port-channel Ag-Inuse
>
> Ports in the Port-channel:
>
> Index Load Port EC state
> ------+------+------+------------
> 0 00 Fa0/15 on
> 0 00 Fa0/16 on
>
> Time since last port bundled: 00d:00h:10m:27s
> Fa0/15
>
> Cat3550#
>
> Cat3550#show mac-address-table dynamic
> Mac Address Table
> ------------------------------------------
>
> Vlan Mac Address Type Ports
> ---- ----------- ---- -----
> 30 0010.5a36.c69f DYNAMIC Fa0/2
> 30 0030.7176.8610 DYNAMIC Po1
> 30 0050.7347.5481 DYNAMIC Po1
> 90 0010.4bfe.f5bf DYNAMIC Fa0/1
> 90 0030.7176.8610 DYNAMIC Po1
> 90 0050.7347.5481 DYNAMIC Po1
> 110 00d0.bbd4.3c62 DYNAMIC Fa0/21
> 1 0030.7176.860f DYNAMIC Po1
> 1 0030.7176.8610 DYNAMIC Po1
> 1 0050.7347.5480 DYNAMIC Po1
> 1 0050.7347.5481 DYNAMIC Po1
> 10 0010.7b80.43b3 DYNAMIC Po1
> 10 0010.7b81.1f53 DYNAMIC Po1
> 10 0030.7176.8610 DYNAMIC Po1
> 10 0050.5477.9090 DYNAMIC Po1
>
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