Umm if M is the multicast
wouldn't it be ifconfig eth0 -multicast
On 20 Feb 2002 at 16:24, Alvin Oga wrote:
Date sent: Wed, 20 Feb 2002 16:24:42 -0800 (PST)
From: Alvin Oga <[EMAIL PROTECTED]>
To: Gene Lee <[EMAIL PROTECTED]>
Copies to: Bruno Negr�o <[EMAIL PROTECTED]>,
[EMAIL PROTECTED]
Subject: Re: netstat -i shows promiscuous mode!!
>
> hi ya
>
> if promiscuous mode is "on"... it will be EXPLICTLY listed in your
> "ifconfig" results
> if it doesnt say "promisc" than promicuous mode is off
>
> ifconfig -v | grep -i promisc
> if you get soemthing... promiscuous mode is on
>
> as was stated earlier.. to turn it off
> ifconfig eth0 -promisc
>
> c ya
> alvin
>
>
> On Wed, 20 Feb 2002, Gene Lee wrote:
>
> > Redhat 7.2:
> > =====================
> >
> > [root@host root]# netstat -ni
> > Kernel Interface table
> > Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR
> > Flg
> > eth0 1500 0314226233 1173 0 0 9995564 0 0 0
> > BNRU
> > eth1 1500 0 7811328 0 0 012792753 0 0 0
> > BMRU
> > lo 16436 0 22327 0 0 0 22327 0 0 0
> > LRU
> >
> > [root@host root]# ifconfig eth0
> > eth0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
> > inet addr:x.x.x.x Bcast:x.x.x.x Mask:x.x.x.x
> > UP BROADCAST NOTRAILERS RUNNING MTU:1500 Metric:1
> > RX packets:314230887 errors:1173 dropped:0 overruns:0 frame:1175
> > TX packets:9995564 errors:0 dropped:0 overruns:0 carrier:287
> > collisions:253666 txqueuelen:100
> > RX bytes:3521351619 (3358.2 Mb) TX bytes:974809983 (929.6 Mb)
> > Interrupt:11 Base address:0xec80
> >
> > [root@host root]# ifconfig eth1
> > eth1 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
> > inet addr:x.x.x.x Bcast:x.x.x.x Mask:x.x.x.x
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:7811347 errors:0 dropped:0 overruns:0 frame:211
> > TX packets:12792770 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:7685 txqueuelen:100
> > RX bytes:765919399 (730.4 Mb) TX bytes:4245711745 (4049.0 Mb)
> > Interrupt:3 Base address:0x300
> >
> > [root@host root]# ifconfig lo
> > lo Link encap:Local Loopback
> > inet addr:127.0.0.1 Mask:255.0.0.0
> > UP LOOPBACK RUNNING MTU:16436 Metric:1
> > RX packets:22327 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:22327 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:2037519 (1.9 Mb) TX bytes:2037519 (1.9 Mb)
> >
> > =====================
> >
> > eth0:
> > netstat -i ="BNRU"
> > ifconfig eth0 = "UP BROADCAST NOTRAILERS RUNNING"
> > eth1:
> > netstat -i="BMRU"
> > ifconfig eth1 = "UP BROADCAST MULTICAST RUNNING"
> > lo
> > netstat -i="LRU"
> > ifconfig lo = "UP LOOPBACK RUNNING"
> >
> > Draw your own conclusions.
> >
> > --
> > Gene Lee
> > [EMAIL PROTECTED]
> > [EMAIL PROTECTED]
> > ----- Original Message -----
> > From: "Bruno Negr�o" <[EMAIL PROTECTED]>
> > To: "Gene Lee" <[EMAIL PROTECTED]>
> > Cc: <[EMAIL PROTECTED]>
> > Sent: Wednesday, February 20, 2002 4:21 PM
> > Subject: Re: netstat -i shows promiscuous mode!!
> >
> >
> > > Thank you for the answer. I read that the M means promiscuous mode in the
> > > following documents:
> > > http://www.linuxdoc.org/LDP/nag2/x-087-2-iface.netstat.html
> > > http://www.oreilly.com/catalog/linag2/book/ch05.html
> > >
> > > Are you shure about what you're saying?
> > >
> > > when I run "ifconfig -promisc eth0" the netstat -i continues to show the
> > M.
> > >
> > > I also ran:
> > > ip link set eth1 down
> > > ip link set eth1 up promisc off
> > >
> > > But it doesn't work to - the M still appears.
> > >
> > > ----- Original Message -----
> > > From: "Gene Lee" <[EMAIL PROTECTED]>
> > > To: "Bruno Negr�o" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> > > Sent: Wednesday, February 20, 2002 5:25 PM
> > > Subject: Re: netstat -i shows promiscuous mode!!
> > >
> > >
> > > > From: "Bruno Negr�o" <[EMAIL PROTECTED]>
> > > > > In the column "Flag" I have the flag "M" which means "promicuous mode"
> > > as
> > > > I
> > > > > read in some documentations.
> > > > >
> > > > > Why is my interfaces starting up in promiscuous mode. Which are the
> > > > > implications? How can I stop it?
> > > >
> > > > The M does not stand for promiscuous mode. Where did you read that? The
> > > > flags are a shortened form of the state of the interface, as if you had
> > > done
> > > > an "ifconfig". See for yourself, do an "ifconfig eth0" and "ifconfig lo"
> > > and
> > > > see how it corresponds:
> > > >
> > > > BMRU = Broadcast, Multicast, Running, Up
> > > > LRU = Loopback, Running, Up
> > > >
> > > > --
> > > > Gene Lee
> > > > [EMAIL PROTECTED]
> > > > [EMAIL PROTECTED]
> > > >
> > > > _______________________________________________
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>
--
Jason Robertson
Now at the Nation Research Council.
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