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Thursday, September 23, 2010

Free Public DNS Server

Free Public DNS Server

Service provider: Google

  • 8.8.8.8
  • 8.8.4.4

Service provider:OpenDNS
OpenDNS free dns server list:

  • 208.67.222.222
  • 208.67.220.220

Service provider: ScrubIt
Public dns server address:

  • 67.138.54.100
  • 207.225.209.66

Service provider:dnsadvantage
Dnsadvantage free dns server list:

  • 156.154.70.1
  • 156.154.71.1

Service provider: vnsc-pri.sys.gtei.net
Public Name server IP address:

  • 4.2.2.1
  • 4.2.2.2
  • 4.2.2.3
  • 4.2.2.4
  • 4.2.2.5
  • 4.2.2.6

Other....

Verizon (Reston, VA, US)
151.197.0.38
151.197.0.39
151.202.0.84
151.202.0.85
151.202.0.85
151.203.0.84
151.203.0.85
199.45.32.37
199.45.32.38
199.45.32.40
199.45.32.43

GTE (Irving, TX, US)
192.76.85.133
206.124.64.1

One Connect IP (Albuquerque, NM, US)
67.138.54.100

Exetel (Sydney, AU)
220.233.167.31

VRx Network Services (New York, NY, US)
199.166.31.3

SpeakEasy (Seattle, WA, US)
66.93.87.2
216.231.41.2
216.254.95.2
64.81.45.2
64.81.111.2
64.81.127.2
64.81.79.2
64.81.159.2
66.92.64.2
66.92.224.2
66.92.159.2
64.81.79.2
64.81.159.2
64.81.127.2
64.81.45.2
216.27.175.2
66.92.159.2
66.93.87.2

Sprintlink (Overland Park, KS, US)
199.2.252.10
204.97.212.10
204.117.214.10

Cisco (San Jose, CA, US)
64.102.255.44
128.107.241.185


OpenNIC
202.83.95.227 (au)
119.31.230.42(au)
178.63.26.173 (de)
217.79.186.148 (de)
27.110.120.30(nz)
89.16.173.11 (uk)
69.164.208.50 (us)
216.87.84.211(us)
2001:470:8388:10:0:100:53:20 (us)
2001:470:1f10:c6::2 (us)

How do I change or setup DNS server IP address?

Visit below mentioned site to setup DNS as per your operating system:

Friday, September 17, 2010

How To Create VLAN in HP Procurve Switches

Follow the following steps

Cofig t

vlan 125
   name "VLAN125"
   untagged 1-12
  ip address 10.50.0.5 255.255.254.0
   tagged 25-26
   exit
vlan 100
   name "VLAN100"
untagged 13-24
  ip address 10.0.0.98 255.255.248.0
   tagged 25-26
   exit
ip routing

wri mem

####

tagged 25-26 is equivalent to trunking for Cisco Switches

untagged command make the required ports to be the part of vlan you want.
From the above example ports 1 - 12 are part of vlan 125 & port 13-24 are part of vlan 100.
and ports 25 & 25 are trunk ports can carry vlan information for vlan 25 & 100
make sure you configure ip routing to en bale intervlan routing