[j-nsp] 3750 and 4200

[Bill Blackford]

I missed paret of this thread, so if this was suggested prior, my
apologies.

On you AE bundle, I believe you need to explicitly define LACP:



 ae1 {
        aggregated-ether-options {
            lacp {
                active;
            }



-Bill

>
>
>
>
>
> From: snort bsd [mailto:snortbsd at yahoo.com.au]
> Sent: Thursday, March 14, 2013 9:12 AM
> To: Eric Krichbaum; 'Jonathan Lassoff'
> Cc: 'juniper-nsp'
> Subject: Re: [j-nsp] 3750 and 4200
>
>
>
> well, i deliberately not to activate lacp at this moment. just want to see
> physical links up...
>
>
>
> _dave
>
>
>
>   _____
>
> From: Eric Krichbaum <eric at telic.us>
> To: 'Jonathan Lassoff' <jof at thejof.com>; 'snort bsd' <
> snortbsd at yahoo.com.au>
>
> Cc: 'juniper-nsp' <juniper-nsp at puck.nether.net>
> Sent: Wednesday, 13 March 2013 9:36 PM
> Subject: RE: [j-nsp] 3750 and 4200
>
>
> More likely, it's the forced "on" mode which disables LACP.  Try it with
> mode active.
>
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Jonathan Lassoff
> Sent: Wednesday, March 13, 2013 8:34 PM
> To: snort bsd
> Cc: juniper-nsp
> Subject: Re: [j-nsp] 3750 and 4200
>
> It's strange that one end shows the interface as up, but the other does
> not.
>
> Is it possible that you're using SFPs that only do 1000base-T?
>
> What if you take the individual ports out of the ae / etherchannel and just
> go point-to-point, does the link show as up then?
>
> Maybe try cabling up to the management port (a known 100base-T port) or a
> laptop and see if the link shows up? At least that way, you could rule out
> the Cisco being wrong about the link status.
>
> --j
>
> On Wed, Mar 13, 2013 at 3:40 PM, snort bsd <snortbsd at yahoo.com.au> wrote:
> > hi all:
> >
> > i have a cisco 3750 fastethernet switch connecting to a juniper 4200,
> with
> portchannel on cisco side and aggregated interface juniper side. the cisco
> side shows as "connected" but juniper side remain down. could anyone give
> me
> some ideas? no lacp activated on both side.
> >
> > for cisco:
> >
> > cisco-3750#sh int fast1/0/9
> > FastEthernet1/0/9 is up, line protocol is up (connected)
> >  Hardware is Fast Ethernet, address is 0018.b99f.5d8b (bia
> 0018.b99f.5d8b)
> >  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> >      reliability 255/255, txload 1/255, rxload 1/255
> >  Encapsulation ARPA, loopback not set
> >
> > cisco-3750#sh interfaces por10
> > Port-channel10 is up, line protocol is up (connected)
> >  Hardware is EtherChannel, address is 0018.b99f.5d8c (bia 0018.b99f.5d8c)
> >  MTU 1500 bytes, BW 200000 Kbit, DLY 100 usec,
> >      reliability 255/255, txload 1/255, rxload 1/255
> >  Encapsulation ARPA, loopback not set
> >  Full-duplex, 100Mb/s, link type is auto, media type is unknown
> >  input flow-control is off, output flow-control is unsupported
> >  Members in this channel: Fa1/0/9 Fa1/0/10
> >
> >
> > interface Port-channel10
> >  switchport access vlan 100
> >  switchport mode access
> >
> > interface FastEthernet1/0/9
> >  switchport access vlan 100
> >  switchport mode access
> >  switchport nonegotiate
> >  channel-group 10 mode on
> >
> >
> > for juniper:
> >
> > user at 4200-1# run show interfaces terse ge-0/0/9
> > Interface              Admin Link Proto    Local                Remote
> > ge-0/0/9                up    down
> > ge-0/0/9.0              up    down aenet    --> ae1.0
> >
> > user at 4200-1# run show interfaces ae1 terse
> > Interface              Admin Link Proto    Local                Remote
> > ae1                    up    down
> > ae1.0                  up    down eth-switch
> >
> >
> > user at 4200-1# show interfaces ge-0/0/9
> > ether-options {
> >    no-auto-negotiation;
> >    link-mode full-duplex;
> >    speed {
> >        100m;
> >    }
> >    802.3ad ae1;
> > }
> >
> > user at 4200-1# show interfaces ae1
> >
> > ae1 {
> >    aggregated-ether-options {
> >        minimum-links 1;
> >        link-speed 100m;
> >    }
> >    unit 0 {
> >        family ethernet-switching {
> >            port-mode access;
> >        }
> >    }
> > }
> >
> >
> > _dave
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/juniper-nsp
>
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-- 
Bill Blackford

Logged into reality and abusing my sudo privileges.....