[j-nsp] LACP

david.roy at orange-ftgroup.com david.roy at orange-ftgroup.com
Fri May 30 10:02:49 EDT 2008

Hi all,
I've A GEC established between a T640 and Cisco Switch CatOS 
On the Cisco CatOS, LACP is configured in mode "ON" and on the T640 I've
no LCAP configuration on my AE. My AE is UP/UP on the T640 and on the
CatOS. All it's fine, but I don't understand why, because in the Juniper
config Guide I found this : 
If the actor and partner are both in passive mode, they do not exchange
LACP packets, which results in the aggregated Ethernet links not coming
By default, LACP is in passive mode on aggregated Ethernet interfaces
For me, in "ON" mode there is no LACP PDU transmited by the Switch and
my Juniper is in passive mode by default. Why the AE is coming UP ? LACP
is really in passive mode on the Juniper, or It's disable if I don't
configure "lacp passive" in my AE ?
The "show lacp interface" gives me only this : 
show lacp interfaces ae1
    Aggregated interface: ae1

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