This is my configuration:
Juniper Configuration
juniper# show ae0
description "linkagg to 3750 stack";
aggregated-ether-options {
lacp {
active;
}
}
unit 0 {
family ethernet-switching {
port-mode trunk;
vlan {
members [ Lan_z Lan_a all ];
}
}
}
----------------
juniper# show vlans
Lan_c {
vlan-id 6;
}
Lan_d {
vlan-id 4;
l3-interface vlan.4;
}
Lan_x {
vlan-id 2;
l3-interface vlan.2;
}
Lan_y{
vlan-id 8;
l3-interface vlan.8;
}
Lan_z {
vlan-id 7;
l3-interface vlan.7;
}
Lan_a {
vlan-id 5;
l3-interface vlan.5;
}
Lan_b {
vlan-id 3;
l3-interface vlan.3;
}
default {
l3-interface vlan.0;
------
juniper# run show lacp interfaces
Aggregated interface: ae0
LACP state: Role Exp Def Dist Col Syn Aggr Timeout Activity
ge-0/0/1 Actor No No Yes Yes Yes Yes Fast Active
ge-0/0/1 Partner No No Yes Yes Yes Yes Slow Active
ge-1/0/1 Actor No No Yes Yes Yes Yes Fast Active
ge-1/0/1 Partner No No Yes Yes Yes Yes Slow Active
LACP protocol: Receive State Transmit State Mux State
ge-0/0/1 Current Slow periodic Collecting distributing
ge-1/0/1 Current Slow periodic Collecting distributing
------
juniper# show interfaces ge-0/0/1
description "ae0 linkagg to 3750";
ether-options {
802.3ad ae0;
}
------------
juniper# show interfaces ge-1/0/1
description "ae0 linkagg to 3750";
ether-options {
802.3ad ae0;
}
Cisco Side:
Cisco# show run
interface Port-channel1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 5,7,100
switchport mode trunk
spanning-tree portfast trunk
---------
cisco#show running-config interface gigabitEthernet 2/0/1
Building configuration...
Current configuration : 197 bytes
!
interface GigabitEthernet2/0/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 5,7,100
switchport mode trunk
channel-group 1 mode active
spanning-tree portfast trunk
end
-----
Same as for interface gi1/0/1 that participate for port-channel.
cisco#show running-config interface vlan 100
!
interface Vlan100
ip address x.x.x.150 255.255.255.240
end
-----
ip default gateway (juniper ip adress )
Let me know if you need more Info.
Thanks for your help.