Debian networking help....
in [Linux Networking]
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From: Shawn on 16 Jun 2010 10:17 Hi, I am trying to configure networking on Debian but have run into problems. In /etc/networks/interfaces iface eth0 inet static address 146.243.56.160 netmask 255.255.254.0 gateway 146.243.124.1 The IP address gets assign properly and I can ping anything in the 146.243.56.x range. It appears that Debian doesn't like that the gateway is in a different addressing range as I can't get past 146.243.56.x. /sbin/route returns only a single line not two... 146.243.56.0 * 255.255.254.0 U 0 0 0 eth0 I'm assuming this is just a routing issue but I can't get debian to accept the gateway. I have tried adding the route manually but get a Siocaddrt: No Such Process error. I have many others machines (Macs/Windows) with IP addresses that are outside of the gateway range and they have no problem. Any suggestions? Thanks, Shawn
From: klaus zerwes on 16 Jun 2010 11:55 On 06/16/2010 04:17 PM, Shawn wrote: > Hi, > > I am trying to configure networking on Debian but have run into > problems. > > In /etc/networks/interfaces > > iface eth0 inet static > address 146.243.56.160 > netmask 255.255.254.0 > gateway 146.243.124.1 $ IPCalc 146.243.56.160/255.255.254.0 146.243.56.160/255.255.254.0 * 146.243.56.160/23 * network: 146.243.56.0 10010010.11110011.00111000.00000000 * netmask: 255.255.254.0 11111111.11111111.11111110.00000000 * wildcard: 0.0.1.255 00000000.00000000.00000001.11111111 * min host: 146.243.56.1 10010010.11110011.00111000.00000001 * max host: 146.243.57.254 10010010.11110011.00111001.11111110 * broadcast: 146.243.57.255 10010010.11110011.00111001.11111111 * dotted decimal notation: 146.243.56.0/255.255.254.0 * classless inter-domain routingt (CIDR) notation: 146.243.56.0/23 * ip range as bigint: 2465413120 - 2465413631 * bytelength for ip range: 4 146.243.124.1 is not in your network. Klaus > > The IP address gets assign properly and I can ping anything in the > 146.243.56.x range. It appears that Debian doesn't like that the > gateway is in a different addressing range as I can't get past > 146.243.56.x. > /sbin/route returns only a single line not two... > 146.243.56.0 * 255.255.254.0 U 0 0 0 eth0 > > I'm assuming this is just a routing issue but I can't get debian to > accept the gateway. I have tried adding the route manually but get a > Siocaddrt: No Such Process error. > > I have many others machines (Macs/Windows) with IP addresses that are > outside of the gateway range and they have no problem. > > Any suggestions? > > Thanks, > > Shawn > -- Klaus Zerwes http://www.zero-sys.net
From: Tauno Voipio on 16 Jun 2010 13:25 On 16.6.10 5:17 , Shawn wrote: > Hi, > > I am trying to configure networking on Debian but have run into > problems. > > In /etc/networks/interfaces > > iface eth0 inet static > address 146.243.56.160 > netmask 255.255.254.0 > gateway 146.243.124.1 > > > The IP address gets assign properly and I can ping anything in the > 146.243.56.x range. It appears that Debian doesn't like that the > gateway is in a different addressing range as I can't get past > 146.243.56.x. > /sbin/route returns only a single line not two... > 146.243.56.0 * 255.255.254.0 U 0 0 0 eth0 > > I'm assuming this is just a routing issue but I can't get debian to > accept the gateway. I have tried adding the route manually but get a > Siocaddrt: No Such Process error. > > I have many others machines (Macs/Windows) with IP addresses that are > outside of the gateway range and they have no problem. Your network set-up is sick: the gateway has to be in the range directly addressable under the network mask from the own local net. What are you attempting to achieve by this kind of set-up? Is the gateway physically in the same local net as your computer? If yes, what is the netmask in the gateway? -- Tauno Voipio tauno voipio (at) iki fi
From: Denis McMahon on 16 Jun 2010 13:59 On 16/06/10 15:17, Shawn wrote: > Hi, > > I am trying to configure networking on Debian but have run into > problems. > > In /etc/networks/interfaces > > iface eth0 inet static > address 146.243.56.160 > netmask 255.255.254.0 146.243.56.0 - 146.243.57.255 > gateway 146.243.124.1 The gateway is outside the network address range. They will both be in the net: 146.243.0.0/17 aka 146.243.0.0/255.255.128.0 as shown below: denis(a)denis-desktop:~$ ipcalc 146.243.124.1/17 Address: 146.243.124.1 10010010.11110011.0 1111100.00000001 Netmask: 255.255.128.0 = 17 11111111.11111111.1 0000000.00000000 Wildcard: 0.0.127.255 00000000.00000000.0 1111111.11111111 => Network: 146.243.0.0/17 10010010.11110011.0 0000000.00000000 HostMin: 146.243.0.1 10010010.11110011.0 0000000.00000001 HostMax: 146.243.127.254 10010010.11110011.0 1111111.11111110 Broadcast: 146.243.127.255 10010010.11110011.0 1111111.11111111 Hosts/Net: 32766 Class B denis(a)denis-desktop:~$ ipcalc 146.243.56.160/17 Address: 146.243.56.160 10010010.11110011.0 0111000.10100000 Netmask: 255.255.128.0 = 17 11111111.11111111.1 0000000.00000000 Wildcard: 0.0.127.255 00000000.00000000.0 1111111.11111111 => Network: 146.243.0.0/17 10010010.11110011.0 0000000.00000000 HostMin: 146.243.0.1 10010010.11110011.0 0000000.00000001 HostMax: 146.243.127.254 10010010.11110011.0 1111111.11111110 Broadcast: 146.243.127.255 10010010.11110011.0 1111111.11111111 Hosts/Net: 32766 Class B So what you could do is set the netmask to 255.255.128.0 and then route add default 146.243.124.1. It would indeed be interesting to see the ip addresses, gateways and netmasks used by other equipment on the lan. Is it possible that another gateway in 146.243.56.160/255.255.254.0 is forwarding to 146.243.124.1 for the other computers? Rgds Denis McMahon
From: Shawn on 16 Jun 2010 14:03 "the gateway has to be in the range directly addressable under the network mask from the own local net. " Using those same static settings in a windows machine or OSX machine has no problem accessing all across the network. "What are you attempting to achieve by this kind of set-up? " Getting Debian (for Koha) to work on an existing network that has hundreds of other computers on it. The network is actually a very large WAN. "Is the gateway physically in the same local net as your computer?" I believe so, but I am not the network administrator.. "If yes, what is the netmask in the gateway? " 255.255.254.0 Thanks, Shawn
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