Wednesday, March 19, 2014

DHCP leasing of Singtel Pace modem


My Pace modem seem having problem in providing DHCP to my PC

Today is easiest as PC Window 7  able to "troubleshoot"
and get a IP re-configure
(Check the netstat -rn below
the IP address is initially set to 169.254.152.42
which I know DHCP is not working
then after windows auto ipconfig re-leasing IP 
with right IP 192.168.1.31
then everything work normally)

telnet to Pace modem

Can only find the folllowing configuration


only thing that can be configured is the leasing time
seem default is 240 minutes
so I tried to set to 480 minutes and monitor

I have tried to put a fixed IP address
but having trouble to hardcode the MAC address

Before I have removed the Gigabyte switch 
and now being connect PC direct to PACE modem

Seem that I am having a unique and "not easily detectable" problem
I guess feedback to Singtel will not help
hopefully someone will pick up this "problem"
As for pass months experience, the problem will go off with a 
modem and PC reboot

Hope to share this out and got some feedback

PS:
C:\Users\KOHfamily>netstat -rn
===========================================================================
Interface List
 11...10 78 d2 46 0f e9 ......Realtek PCIe GBE Family Controller
  1...........................Software Loopback Interface 1
 16...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
 12...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
        127.0.0.0        255.0.0.0         On-link         127.0.0.1    306
        127.0.0.1  255.255.255.255         On-link         127.0.0.1    306
  127.255.255.255  255.255.255.255         On-link         127.0.0.1    306
      169.254.0.0      255.255.0.0         On-link    169.254.152.42    266
   169.254.152.42  255.255.255.255         On-link    169.254.152.42    266
  169.254.255.255  255.255.255.255         On-link    169.254.152.42    266
        224.0.0.0        240.0.0.0         On-link         127.0.0.1    306
        224.0.0.0        240.0.0.0         On-link    169.254.152.42    266
  255.255.255.255  255.255.255.255         On-link         127.0.0.1    306
  255.255.255.255  255.255.255.255         On-link    169.254.152.42    266
===========================================================================
Persistent Routes:
  None

IPv6 Route Table
===========================================================================
Active Routes:
 If Metric Network Destination      Gateway
  1    306 ::1/128                  On-link
 11    266 fe80::/64                On-link
 11    266 fe80::3883:c197:a2a3:982a/128
                                    On-link
  1    306 ff00::/8                 On-link
 11    266 ff00::/8                 On-link
===========================================================================
Persistent Routes:
  None

C:\Users\KOHfamily>netstat -rn
===========================================================================
Interface List
 11...10 78 d2 46 0f e9 ......Realtek PCIe GBE Family Controller
  1...........................Software Loopback Interface 1
 16...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
 12...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0    192.168.1.254     192.168.1.31     10
        127.0.0.0        255.0.0.0         On-link         127.0.0.1    306
        127.0.0.1  255.255.255.255         On-link         127.0.0.1    306
  127.255.255.255  255.255.255.255         On-link         127.0.0.1    306
      192.168.1.0    255.255.255.0         On-link      192.168.1.31    266
     192.168.1.31  255.255.255.255         On-link      192.168.1.31    266
    192.168.1.255  255.255.255.255         On-link      192.168.1.31    266
        224.0.0.0        240.0.0.0         On-link         127.0.0.1    306
        224.0.0.0        240.0.0.0         On-link      192.168.1.31    266
  255.255.255.255  255.255.255.255         On-link         127.0.0.1    306
  255.255.255.255  255.255.255.255         On-link      192.168.1.31    266
===========================================================================



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