 | | | can 't connect to LAN | can 't connect to LAN 2004-04-10 - By Shatam Bhattacharya
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Hi Saravan,
thanks for reply.
>On Sat, 10 Apr 2004, SaravanaKumar wrote:
> have u configured the ip address correctly.
> # ifconfig eth0 (displays the current ip of ur system.)
the output is
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 32
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: d
Current message level: 0xffffffff (-1)
Link detected: yes
> What do u mean my connecting to lan? there wont be any network
> neighbourhood icon in Linux. Try pinging your system with others in the
> network.
it does not ping the messege is
icmp destination host unreachable...
also I am giving some additional details of my system
please have a look at them.
output of lspci
00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge
(rev 01)
00:02.0 VGA compatible controller: Intel Corp. 82845G/GL [Brookdale-G] Chipset
Integrated Graphics Device (rev 01)
00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 01)
00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 01)
00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 01)
00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 01)
00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 01)
00:1f.3 SMBus: Intel Corp. 82801DB SMBus (rev 01)
00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio (rev 01)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C
/8139C+ (rev 10)
output of netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
172.31.65.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 172.31.65.21 0.0.0.0 UG 0 0 0 eth0
> Also check if u have configured the firewall during setup. This
is a
> very common error i see with windows admins. do check it and configure
> it properly or disable it(if ur not connected to internet).
output of iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
RH-Lokkit-0-50-INPUT all -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
RH-Lokkit-0-50-INPUT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain RH-Lokkit-0-50-INPUT (2 references)
target prot opt source destination
ACCEPT udp -- 172.31.100.9 anywhere udp spt:domain dpts
:1025:65535
ACCEPT udp -- 172.31.100.8 anywhere udp spt:domain dpts
:1025:65535
ACCEPT udp -- 172.31.100.6 anywhere udp spt:domain dpts
:1025:65535
ACCEPT tcp -- anywhere anywhere tcp dpt:smtp flags
:SYN,RST,ACK/SYN
ACCEPT tcp -- anywhere anywhere tcp dpt:http flags
:SYN,RST,ACK/SYN
ACCEPT tcp -- anywhere anywhere tcp dpt:ftp flags
:SYN,RST,ACK/SYN
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh flags
:SYN,RST,ACK/SYN
ACCEPT tcp -- anywhere anywhere tcp dpt:telnet
flags:SYN,RST,ACK/SYN
ACCEPT udp -- anywhere anywhere udp spts:bootps
:bootpc dpts:bootps:bootpc
ACCEPT udp -- anywhere anywhere udp spts:bootps
:bootpc dpts:bootps:bootpc
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere
REJECT tcp -- anywhere anywhere tcp dpts:0:1023
flags:SYN,RST,ACK/SYN reject-with icmp-port-unreachable
REJECT tcp -- anywhere anywhere tcp dpt:nfs flags
:SYN,RST,ACK/SYN reject-with icmp-port-unreachable
REJECT udp -- anywhere anywhere udp dpts:0:1023
reject-with icmp-port-unreachable
REJECT udp -- anywhere anywhere udp dpt:nfs reject
-with icmp-port-unreachable
REJECT tcp -- anywhere anywhere tcp dpts:x11:6009
flags:SYN,RST,ACK/SYN reject-with icmp-port-unreachable
REJECT tcp -- anywhere anywhere tcp dpt:xfs flags
:SYN,RST,ACK/SYN reject-with icmp-port-unreachable
please suggest whats wrong. Is there something wrong with
the installation. would reinstalltion help ??
bye,
shatam
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