[j-nsp] Problems with LACP port aggregation M10 <-> Catalyst 6509

[Johannes Resch]

Hi,

I'm trying to setup an aggregated port using 2 FastEthernet-links 
between a M10 (running JunOS 7.0R2.7) and a Cisco Catalyst 6509 (not 
under my administrative control).
No matter what we try, only one link of this aggregated interface will 
come up.

Has anybody successfully used LACP-portchannels between Cisco and 
Juniper? Any insight on "special" configuration neccessary on either 
side is appreciated.

Any ideas what we could try to resolve this situation?

I noticed that the JunOS-docs only describe port aggregation with trunk 
ports ("vlan-tagging") - is this just because this setup is more common, 
or are there restrictions on port aggregation with (untagged) access-ports?

On the M10, the relevant config looks like the following:

chassis {
     aggregated-devices {
         ethernet {
             device-count 4;
         }
     }
}

fe-1/1/0 {
    fastether-options {
         802.3ad ae0;
     }
}
fe-1/1/1 {
    fastether-options {
         802.3ad ae0;
    }
}

ae0 {
     aggregated-ether-options {
         minimum-links 2;
         link-speed 100m;
         lacp {
             active;
         }
    }
    unit 0 {
        family inet {
            address x.y.z.w/v;
        }
    }
}


Since "minimum-links" is set to 2, the ae interface is shown as "down" 
in the output below. (Naturally, if "minimum-links" is 1, the 
ae-interface will be up, but only one member link will be used)

host# run show interfaces ae0 extensive
Physical interface: ae0, Enabled, Physical link is Down
   Interface index: 138, SNMP ifIndex: 21, Generation: 21
   Link-level type: Ethernet, MTU: 1514, Speed: Unspecified, Loopback: 
Disabled, Source filtering: Disabled,
   Flow control: Disabled, Minimum links needed: 2
   Device flags   : Present Running
   Interface flags: Hardware-Down SNMP-Traps 16384
   Current address: 00:90:69:99:07:f0, Hardware address: 00:90:69:99:07:f0
   Last flapped   : Never
   Statistics last cleared: 2005-02-04 07:38:25 CET (00:11:54 ago)
   Traffic statistics:
    Input  bytes  :               170748                 1984 bps
    Output bytes  :                10866                    0 bps
    Input  packets:                 1377                    2 pps
    Output packets:                   94                    0 pps
   Input errors:
     Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Giants: 0, 
Policed discards: 0
   Output errors:
     Carrier transitions: 0, Errors: 0, Drops: 0, MTU errors: 0

   Logical interface ae0.0 (Index 69) (SNMP ifIndex 28) (Generation 6)
     Flags: Hardware-Down Device-Down SNMP-Traps 16384 Encapsulation: ENET2
     Statistics        Packets        pps         Bytes          bps
     Bundle:
         Input :             0          0             0            0
         Output:            12          0           698            0
     Link:
       fe-1/1/0.0
         Input :             0          0             0            0
         Output:             0          0             0            0
       fe-1/1/1.0
         Input :             0          0             0            0
         Output:            12          0           698            0
     LACP Info:        Role     System             System      Port 
Port  Port
                              Priority          Identifer  Priority 
Number   Key
       fe-1/1/0.0     Actor        127  00:90:69:99:07:f0       127 
584     1
       fe-1/1/0.0   Partner      32768  00:0d:bc:94:5b:40       128 
916  7537
       fe-1/1/1.0     Actor        127  00:90:69:99:07:f0       127 
585     1
       fe-1/1/1.0   Partner      32768  00:0d:bc:94:5b:40       128 
1041  7538
     LACP State:       Role   Exp   Def  Dist  Col  Syn  Aggr  Timeout 
Activity
       fe-1/1/0.0     Actor    No    No    No   No   No   Yes     Fast 
   Active
       fe-1/1/0.0   Partner    No    No    No   No  Yes   Yes     Slow 
   Active
       fe-1/1/1.0     Actor    No    No   Yes  Yes  Yes   Yes     Fast 
   Active
       fe-1/1/1.0   Partner    No    No   Yes  Yes  Yes   Yes     Slow 
   Active
     LACP Protocol:   Receive State    Transmit State           Mux State
       fe-1/1/0.0           Current     Slow periodic            Detached
       fe-1/1/1.0           Current     Slow periodic  Collecting 
distributing
     LACP Statistics:       LACP Rx     LACP Tx   Unknown Rx   Illegal Rx
       fe-1/1/0.0               687          38            0            0
       fe-1/1/1.0               690          45            0            0
     Marker Statistics:   Marker Rx     Resp Tx   Unknown Rx   Illegal Rx
       fe-1/1/0.0                 0           0            0            0
       fe-1/1/1.0                 0           0            0            0
     Protocol inet, MTU: 1500, Generation: 16, Route table: 0
       Flags: Is-Primary
       Filters: Input: qos-border-in-filter, Output: netflow
       Addresses, Flags: Dest-route-down Is-Preferred Is-Primary
         Destination: x.y.z/v, Local: x.y.z.w, Broadcast: x.y.z.w, 
Generation: 12


Best regards,
-jr