I installed RHEL 5 in my PC, already windows XP is running in my system. I am not able to connect to internet from Linux, but internet is working in windows XP.
I got the below out put for lspci -vv command for ethernet controller
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E PCI Express Fast Ethernet controller (rev 01)
Subsystem: Intel Corporation Unknown device d607
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 1000 Region 2: Memory at 90000000 (64-bit, non-prefetchable) [size=4K] Expansion ROM at 90200000 [disabled] [size=128K] Capabilities:  Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities:  Vital Product Data Capabilities:  Message Signalled Interrupts: 64bit+ Queue=0/1 Enable- Address: 0000000000000000 Data: 0000 Capabilities:  Express Endpoint IRQ 0 Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag+ Device: Latency L0s <128ns, L1 unlimited Device: AtnBtn+ AtnInd+ PwrInd+ Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- Device: RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s, Port 0 Link: Latency L0s unlimited, L1 unlimited Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x1 Capabilities:  Vendor Specific Information
when i restart network i got the below eror.
[root@localhost init.d]# ./network restart
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: 3c501 device eth0 does not seem to be present, delaying initialization.
Can any one please help me to sort out this issue. Please let me know if any more information required.
Thanks in advance.