Either Channel Question

in CCNP
Hi
I have two Cisco 2960 Switches (in lab environment, named as Sw1 & Sw2), I connected both switches via two Giga 0/1 & 0/2 with Cross over cable.
On Switch1 i did the following configuration to make an either channel:
Sw-1:
Config t
interface range giga 0/1 - 2
interface mode trunk
channel-group 1 mode desirable
One Sw-2
Config t
interface range giga 0/1 - 2
interface mode trunk
channel-group 1 mode desirable
When i see show ip interface bri on switch 1:
it show:
Giga 1 is up up
giga 2 is status up protocl down
port-channel1 up up
I have attached two screen shot of Show ip interface bri
and
show interface port-channel 1 etherchannel
I'll appreciate if someone guide how do i properly configure Etherchannel.... do i need to make a trunk link or either channel can work without trunking...
Thanks
Regards
Ali
I have two Cisco 2960 Switches (in lab environment, named as Sw1 & Sw2), I connected both switches via two Giga 0/1 & 0/2 with Cross over cable.
On Switch1 i did the following configuration to make an either channel:
Sw-1:
Config t
interface range giga 0/1 - 2
interface mode trunk
channel-group 1 mode desirable
One Sw-2
Config t
interface range giga 0/1 - 2
interface mode trunk
channel-group 1 mode desirable
When i see show ip interface bri on switch 1:
it show:
Giga 1 is up up
giga 2 is status up protocl down
port-channel1 up up
I have attached two screen shot of Show ip interface bri
and
show interface port-channel 1 etherchannel
I'll appreciate if someone guide how do i properly configure Etherchannel.... do i need to make a trunk link or either channel can work without trunking...
Thanks
Regards
Ali
Comments
Switch>en
Switch#conf t
Switch(config)#int range gigabitEthernet 0/1 - 2
Switch(config-if-range)#shut
Switch(config-if-range)#
%LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down
%LINK-5-CHANGED: Interface GigabitEthernet0/2, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to down
Switch(config-if-range)#switchport mode trunk
Switch(config-if-range)#channel-group 1 mode on
Switch(config-if-range)#
Creating a port-channel interface Port-channel 1
Switch(config-if-range)#no shut
%LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up
%LINK-5-CHANGED: Interface Port-channel 1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel 1, changed state to up
%LINK-5-CHANGED: Interface GigabitEthernet0/2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up
Switch(config-if-range)#
Switch(config-if-range)#exit
Switch#show etherchannel summary
Flags: D - down P - 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
u - unsuitable for bundling
w - waiting to be aggregated
d - default port
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
+
+
+
1 Po1(SU) - Gig0/1(P) Gig0/2(P)
That's the whole point of Etherchannel is to make a aggregated trunk port of multiple links up to 8.
You might be thinking of a L3 Portchannel where you assign the portchannel an IP address.
you are correct sir
I tried the above commands but result was same.. on GigabitEthernet ports
But when i tried following commands on FastEthernet 23-24 to make an EtherChannel and its work fine,
SW-1:
# Interface range FastEthernet 0/23 - 24
# channel-protocol PaGP
# channel-group 1 mode desirable
SW-2:
# Interface range FastEthernet 0/23 - 24
# channel-protocol PaGP
# channel-group 1 mode desirable
Why i am not be able to bundled on GigabitEthernet Ports?