# IGNORE ICMP BROADCASTS echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts Try changing that line it's the only one that refers to icmp request. Just 'echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts' I don't even have this file. What version OS are you running? -----Original Message----- From: Harry [mailto:hari76@xxxxxxxxxxxxxx] Sent: Sunday, April 18, 2004 8:07 PM To: General Red Hat Linux discussion list Subject: Re: Ping Driving me Crazy.... absolutely right, I have a standby Windows 2000 Advanced server with ISA installed for the same operation and the same network, and when Linux server breaks down I put this server up, and I am facing no issues with it...so there has to be something wrong on the Linux Box which I am not able to figure out.I am an fan of Linux and when stuff like this happens it really upsets me...hence these discussions!! Regards Harry "In all this world, there is only you When all else ceases, there is only you" -- to my MASTER! Harish harish@xxxxxxxxxxxx harish.sabnani@xxxxxxxxxxxxxxxx ----- Original Message ----- From: "Jason Staudenmayer" <jasons@xxxxxxxxxxxxxx> To: "'General Red Hat Linux discussion list'" <redhat-list@xxxxxxxxxx> Sent: Sunday, April 18, 2004 6:00 AM Subject: RE: Ping Driving me Crazy.... > Just bcos you have a Cisco switch doesn't mean it can't break. The good > switches but they're not indestructible. Also look at the cables themselves > are the bough or made? I had a very > similar problem a few years ago and it turned out to be the switch I was > using. Never rule out anything based on a product name, they all break, > eventually. > > -----Original Message----- > From: Harry [mailto:hari76@xxxxxxxxxxxxxx] > Sent: Sunday, April 18, 2004 7:51 PM > To: General Red Hat Linux discussion list > Subject: Re: Ping Driving me Crazy.... > > > Hi All, > > Well let me add something more, this has started happening since a couple of > days,do any of you think it could be bcos Eth1 which is the Internal > Interface is getting clogged with the number of requests that are coming > from the Windows Clients?and morever bcos of the Blaster Virus and > Vulnerablities on Ports 135:139, the network may be getting jammed and hance > not accepting the ping requests!Therefore is it wise to increase the Buffer > Limits of TCP requests ?If yes can I know how it can be done? > > I have also attached the Firewall script that I am using. > > And Yah cant be a Rj 45/switch issue bcos I am using a Cisco Catalyst 2900 > switch, which is fairly a great switch to have. > > Your thoughts on this will be helpful. > > Harry > > > > > "In all this world, there is only you > When all else ceases, there is only you" > -- to my MASTER! > Harish > harish@xxxxxxxxxxxx > harish.sabnani@xxxxxxxxxxxxxxxx > ----- Original Message ----- > From: "Stephen Kuhn" <skuhn@xxxxxxxxxxxxxxxxx> > To: "General Red Hat Linux discussion list" <redhat-list@xxxxxxxxxx> > Sent: Sunday, April 18, 2004 4:20 AM > Subject: Re: Ping Driving me Crazy.... > > > > On Sun, 2004-04-18 at 21:01, Vladimir Kosovac wrote: > > > I don't think it's a firewall issue or some weird TCP/IP behaviour. > > > Check CAT5/RJ45_s, wall sockets if any and try alternate ports on a > > > switch. > > > > Could it be a DNS issue? > > > > stephen kuhn - owner > > ============================== > > illawarra computer services > > a kuhn media australia company > > http://kma.0catch.com > > ------------------------------------------------------------------ > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list