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List Archive: gentoo-admin
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To: gentoo-admin@g.o
From: geaaru <geaaru@...>
Subject: Re: As can I disable arp reply
Date: Tue, 08 Nov 2005 11:23:23 +0100
On Mon, 2005-11-07 at 15:25 -0300, Adolfo Castro Menna wrote:
> geaaru wrote:
> >Thanks for your replies.
> >I have a problem with ethernet interface:
> >On eth0 interface I use freeradius and a pppoe server and eth0 haven't
> >ip addres.
> >eth0    Link encap:Ethernet  HWaddr 00:0x:xx:xx:xx:xx 
> >          inet6 addr: xxxx::xxx:xxxx:xxxx:xxxx/64 Scope:Link 
> >          RX packets:4136 errors:0 dropped:0 overruns:0 frame:0 
> >          TX packets:3808 errors:0 dropped:0 overruns:0 carrier:0 
> >          collisions:0 txqueuelen:0 
> >          RX bytes:388327 (379.2 Kb)  TX bytes:956494 (934.0 Kb)
> >
> >However with ethereal I see that this interface send a arp-request like
> >this 
> >Who has Gratiutous ARP. 
> >
> >As can I disable these arp request. 
> >PRE: I'm under XEN SO but eth0 is on dom-0 and MAC of request is eth0
> >not eth0 on dom-2. kernel and eth0 is
> >eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
> >
> >I try different solutions: 
> >1) With ebtables:
> >for i in $OTHER_IFACE 
> >        do 
> >        echo -n "Enable $i interface..." 
> >        $EBTABLES -A INPUT -i $i -p arp -j ACCEPT 
> >        $EBTABLES -A INPUT -i $i -p ipv4 -j ACCEPT 
> >        $EBTABLES -A OUTPUT -o $i -p arp -j ACCEPT 
> >        $EBTABLES -A OUTPUT -o $i -p ipv4 -j ACCEPT 
> >        $EBTABLES -A FORWARD -o $i -p ipv4 -j ACCEPT 
> >        $EBTABLES -A FORWARD -o $i -p arp -j ACCEPT 
> >        $EBTABLES -t nat -A POSTROUTING -o $i -p arp -j ACCEPT 
> >        $EBTABLES -t nat -A POSTROUTING -o $i -p ipv4 -j ACCEPT 
> >        $EBTABLES -t nat -A OUTPUT -o $i -p arp -j ACCEPT 
> >        $EBTABLES -t nat -A OUTPUT -o $i -p ipv4 -j ACCEPT 
> >        $EBTABLES -t nat -A PREROUTING -i $i -p arp -j ACCEPT 
> >        $EBTABLES -t nat -A PREROUTING -i $i -p ipv4 -j ACCEPT 
> >        echo "done." 
> >        done; 
> >
> ># Rules for adsl clients interface 
> >$EBTABLES -A INPUT -i eth0 -p ipv4 -j ACCEPT 
> >$EBTABLES -A OUTPUT -o eth0 -p ipv4 -j ACCEPT 
> >$EBTABLES -A FORWARD -o eth0 -p ipv4 -j ACCEPT 
> >$EBTABLES -t nat -A PREROUTING -i eth0 -p ipv4 -j ACCEPT 
> >$EBTABLES -t nat -A POSTROUTING -o eth0 -p ipv4 -j ACCEPT 
> >$EBTABLES -t nat -A OUTPUT -o eth0 -p ipv4 -j ACCEPT
> >
> >Also with these rules there are are request to Also if I have
> >disabled all packet on eth0!!!!!! 
> >2) ifconfig eth0 -arp 
> >Nothings. 
> >3) ip link set eth0 arp off 
> >Nothings. 
> >
> >What can I do? 
> >
> >Thanks for your help.
> >
> >  
> >
> try using arptables package or take a look on /etc/sysctl.conf for arp 
> stuff like:
> net.ipv4.conf.eth0.arp_ignore =
> net.ipv4.conf.eth0.arp_announce =
> net.ipv4.conf.eth0.arp_filter =
> it might help you, cheers

on /proc/sys/net/ipv4/conf/eth0: arp_announce, arp_filter and arp_ignore
are set to 0. It doesn't work. Also if I set to 1 arp_ignore and
Maybe is a problem with Xen!I don't know!

gentoo-admin@g.o mailing list

[gentoo-admin] Problem with configuring network via '/sbin/ifconfig'
-- Vitaly Kovalyshyn
As can I disable arp reply
-- geaaru
Re: As can I disable arp reply
-- Adolfo Castro Menna
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Updated Jun 17, 2009

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