R: [j-nsp] Re: Problem with routing FastEthernet (2.1)

Aviva Garrett aviva at juniper.net
Wed Apr 13 12:27:49 EDT 2005


Yes, you are correct. My mistake. However, fxp0 needs to be configured
for the router to function. In the configuration below, fxp0 is
disabled.

Thanks,
..Aviva

In message <2AA8A4D82DF25C4595A39612BE588EA20733C642 at eitrmnt108.tei.ericsson.se
>you write:
> Hello,
> I think you're talking about fxp1 !!! Permanent interfaces in Juniper are fxp
  > 0 (external, for management issues), fxp1 and fxp2 or bcm0 and ecm0 in T-se
  > ries (internal, linking both RE boxes and PFE boards).
> 
> Fxp0 could be disabled, also because if it's not connected to a LAN router be
  > ars a minor alarm: in working network, however, it's not a good behaviour.
> 
> Bye  
> 
> 
> MASSIMILIANO GALIZIA
>  
> 
> -----Messaggio originale-----
> Da: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.neth
  > er.net] 
> Inviato: mercoledì 13 aprile 2005 13.44
> A: Alex Kitschkiruk
> Cc: juniper-nsp at puck.nether.net; aviva at juniper.net
> Oggetto: Re: [j-nsp] Re: Problem with routing FastEthernet (2.1) 
> 
> Hi Alex,
> 
> If you disable the fxp0 interface, routing won't work. This is an internal in
  > terface between all the packet forwarding engine (all the chassis hardware 
  > components) and the routing routing software, which runs on the routing eng
  > ine.
> 
> Thanks,
> ..Aviva
> 
> In message <a859d9050504130101633d95ea at mail.gmail.com>you write:
> > Thanks for your answer!
> > I made in such a way, but I cannot send the packets. I can only from 
> > M20 to the computer to send, but not between the computer.
> > That is my configuration. Do I have still which to make? Protocols, options
  > ?
> > 
> > root at Jun_Referenz# show
> > version 4.4R3.4;
> > system {
> >    host-name Jun_Referenz;
> >    syslog {
> >        user * {
> >            any emergency;
> >        }
> >        file messages {
> >            any notice;
> >            authorization info;
> >        }
> >    }
> > }
> > interfaces {
> >    fe-1/0/0 {
> >        unit 0 {
> >            family inet {
> >                address 192.168.1.2/24;
> >            }
> >        }
> >    }
> >    fe-1/0/1 {
> >        unit 0 {
> >            family inet {
> >                address 192.168.2.2/24;
> >            }
> >        }
> >    }
> >    fxp0 {
> >        disable;
> >    }
> >    lo0 {
> >        unit 0 {
> >            family inet {
> >                address 127.0.0.1/32;
> >            }
> >        }
> >    }
> > }
> > routing-options {
> >    interface-routes {
> >        rib-group inet;
> > - Hide quoted text -
> >    }
> > }
> > 
> > 
> > On 4/13/05, Nandagopal Kombiyil <Nandagopal.Kombiyil at relianceinfo.com> wrot
  > e:
> > >
> > >
> > > make 2 networks 192.168.1.0/24 and 192.168.2.0/24 put one pc and one 
> > > fastE port in those networks and then test. since the 2 interfaces 
> > > are on the sam
>   > e
> > > router (connected networks) you need not even use any dynamic 
> > > routing. it should work.
> > >  still not clear what you're trying to do with an m20 and 2 pc's!
> > >
> > >  PC2--------------fe-1/0/0/-M20-fe-1/0/1---------------PC2
> > >  192.168.1.1 1.2 2.2 192.168.2.1
> > >
> > >  hth
> > >  ~nk
> > >  ----
> > > Alex Kitschkiruk <juniper.m20 at gmail.com>  Sent by: 
> > > juniper-nsp-bounces at puck.nether.net
> > >
> > > 04/13/2005 02:19 AM
> > >  Please respond to Alex Kitschkiruk
> > >
> > >  To: juniper-nsp at puck.nether.net
> > >  cc: (bcc: Nandagopal Kombiyil/INFOCOMM/RIL)
> > >  Subject: [j-nsp] Re: Problem with routing FastEthernet (2)
> > >
> > >
> > >  Hi!
> > >  I have 2 PC & M20 with 4 Port FE.
> > >  I want only to examine whether rout is functioned. That he routed.
> > >  That packages are transferred from one computer to another.
> > >  how can I make that better?
> > >
> > >  On Apr 12, 2005 6:00 PM,
> > > juniper-nsp-request at puck.nether.net
> > >  <juniper-nsp-request at puck.nether.net> wrote:
> > >  > Send juniper-nsp mailing list submissions to
> > >  >         juniper-nsp at puck.nether.net
> > >  >
> > >  > To subscribe or unsubscribe via the World Wide Web, visit  > 
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> > >
> > >  > or, via email, send a message with subject or body 'help' to
> > >  >         juniper-nsp-request at puck.nether.net
> > >  >
> > >  > You can reach the person managing the list at
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> > >  >
> > >  > When replying, please edit your Subject line so it is more 
> > > specific  > than "Re: Contents of juniper-nsp digest..."
> > >  >
> > >  > Today's Topics:
> > >  >
> > >  >    1. Problem with routing FastEthernet (Alex Kitschkiruk)
> > >  >    2. Re: Problem with routing FastEthernet (Michael Loftis)
> > >  >
> > >  >
> > > --------------------------------------------------------------------
> > > --
> > >  >
> > >  > Message: 1
> > >  > Date: Tue, 12 Apr 2005 16:29:02 +0200  > From: Alex Kitschkiruk 
> > > <juniper.m20 at gmail.com>  > Subject: [j-nsp] Problem with routing 
> > > FastEthernet  > To: juniper-nsp <juniper-nsp at puck.nether.net>  > 
> > > Message-ID: <a859d90505041207297a751ee8 at mail.gmail.com>
> > >  > Content-Type: text/plain; charset=ISO-8859-1  >  > Hello All,  >  
> > > > Help with juniper junos!!!
> > >  > I have received on work old M20 (Junos 4.4) there is only 4Port 
> > > FastEthernet.
> > >  > I can not adjust a configuration that has earned. With most 
> > > juniper I  > can ping all PC, connected to ports. But here computers 
> > > each other do  > not see.
> > >  > IP PC1 192.168.1.20
> > >  > IP PC2 192.168.1.21
> > >  > all computers and ports in one network. Tried different reports,  
> > > > configurations... Anything...
> > >  > I something can is simple do not know... I begin  > Thank you !!!
> > >  >
> > >  > version 4.4R3.4;
> > >  > system {
> > >  >     host-name Jun;
> > >  >     syslog {
> > >  >         user * {
> > >  >             any emergency;
> > >  >         }
> > >  >         file messages {
> > >  >             any notice;
> > >  >             authorization info;
> > >  >         }
> > >  >     }
> > >  > }
> > >  > interfaces {
> > >  >     fe-1/0/0 {
> > >  >         unit 0 {
> > >  >             family inet {
> > >  >                 address 192.168.1.10/24;
> > >  >             }
> > >  >         }
> > >  >     }
> > >  >     fe-1/0/1 {
> > >  >         unit 0 {
> > >  >             family inet {
> > >  >                 address 192.168.1.11/24;
> > >  >             }
> > >  >         }
> > >  >     }
> > >  >     fe-1/0/2 {
> > >  >         unit 0 {
> > >  >             family inet {
> > >  >                 address 192.168.1.12/24;
> > >  >             }
> > >  >         }
> > >  >     }
> > >  >     fe-1/0/3 {
> > >  >         unit 0 {
> > >  >             family inet {
> > >  >                 address 192.168.1.13/24;
> > >  >             }
> > >  >         }
> > >  >     }
> > >  >     fxp0 {
> > >  >         disable;
> > >  >     }
> > >  >     lo0 {
> > >  >         unit 0 {
> > >  >             family inet {
> > >  >                 address 127.0.0.1/32;
> > >  >             }
> > >  >         }
> > >  >     }
> > >  > }
> > >  >
> > >  > ------------------------------
> > >  >
> > >  > Message: 2
> > >  > Date: Tue, 12 Apr 2005 08:40:05 -0600  > From: Michael Loftis 
> > > <mloftis at wgops.com>  > Subject: Re: [j-nsp] Problem with routing 
> > > FastEthernet  > To: juniper-nsp <juniper-nsp at puck.nether.net>  > 
> > > Message-ID: <5848390C09631215F2A816B4@[10.1.2.230]>
> > >  > Content-Type: text/plain; charset=us-ascii; format=flowed  >  > 
> > > --On Tuesday, April 12, 2005 4:29 PM +0200 Alex Kitschkiruk  > 
> > > <juniper.m20 at gmail.com> wrote:
> > >  >
> > >  > > Hello All,
> > >  > >
> > >  > > Help with juniper junos!!!
> > >  > > I have received on work old M20 (Junos 4.4) there is only 4Port  
> > > > > FastEthernet. I can not adjust a configuration that has earned. 
> > > With most  > > juniper I can ping all PC, connected to ports. But 
> > > here computers each  > > other do not see.
> > >  > > IP PC1 192.168.1.20
> > >  > > IP PC2 192.168.1.21
> > >  > > all computers and ports in one network. Tried different 
> > > reports,  > > configurations... Anything...
> > >  > > I something can is simple do not know... I begin  > > Thank you 
> > > !!!
> > >  >
> > >  > Uhm....Unless all the PCs are connected to the same switch, as is 
> > > all th
>   > e
> > >  > interfaces of the Juniper, this setup will just not work.  The 
> > > PCs will all  > believe that they're local to eachother and on the 
> > > same LAN segment, if  > they're not they won't find eachother via 
> > > ARP.  Not sure what your'e trying  > to accomplish by having four 
> > > interfaces in the same subnet, but I doubt  > it's what you want.
> > 
> > _______________________________________________
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