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Re: How usable is agr(4)?



On Tue, 09 Jun 2009 11:57:36 -0400, Thor Lancelot Simon wrote:
> I have never seen agr successfully
> advance LACP to the forwarding (COLLECTING/DISTRIBUTING) state with any
> commercial switch under NetBSD 5 or newer.  But we recently added static
> aggregation configuration which should probably work with switches that
> are set to do Cisco "etherchannel".

I'm trying here to configure an etherchannel between netbsd-5 and a 
catalyst 3550. No luck. One port on switch cannot leave alarm. Some 
reports:

$ ifconfig agr0
agr0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        
capabilities=3f00<IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx>
        enabled=0
        agrport: bnx1, flags=0x3<COLLECTING,DISTRIBUTING>
        agrport: bnx0, flags=0x0
        address: 00:1e:4f:1e:d5:a1
        inet 193.28.151.2 netmask 0xffffffc0 broadcast 193.28.151.63
        inet6 fe80::21e:4fff:fe1e:d5a1%agr0 prefixlen 64 scopeid 0x4
$ ifconfig bnx0
bnx0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        
capabilities=3f00<IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx>
        enabled=0
        address: 00:1e:4f:1e:d5:a1
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active
$ ifconfig bnx1
bnx1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        
capabilities=3f00<IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx>
        enabled=0
        address: 00:1e:4f:1e:d5:9f
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active



tt#sh lacp 1 internal 
Flags:  S - Device is requesting Slow LACPDUs 
        F - Device is requesting Fast LACPDUs
        A - Device is in Active mode       P - Device is in Passive 
mode     

Channel group 1
                            LACP port     Admin     Oper    Port     Port
Port      Flags   State     Priority      Key       Key     Number   State
Fa0/7     SP      bndl      500           0x1       0x1     0x7      0x3C  
Fa0/8     SP      indep     500           0x1       0x1     0x8      0x4   

tt#s int f0/8
FastEthernet0/8 is up, line protocol is down (notconnect)
...


Any hints ?

-- 
Mihai

P.S. The good thing is that at least works as a passive backup. If I plug 
out a wire it switches traffic on the other.



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