Equipment:
Cisco Router 881G IOS 15.4(1) using Static IP Address from ISP
Problem:
DNS is not resolving names & client machines cannot pull HTML web pages or ping Bing.com.
But, I can ping Bing.com from the router using the DNS IP Address provided by ISP and configured on the router. I have attached the running-config file for your viewing pleasure.
So I need help with correcting the DNS issue
Router Configuration File
Building configuration...
Current configuration : 4518 bytes
!
!
version 15.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname WAN-Router
!
boot-start-marker
boot-end-marker
!
!
logging buffered 51200 warnings
enable secret 5 ( password removed from view )
enable password 7 ( password removed from view )
!
no aaa new-model
memory-size iomem 10
!
( Key removed from view )
!
quit
!
!
ip dhcp excluded-address 192.168.100.1 WAN-Router
ip dhcp excluded-address 192.168.100.100 File Server
ip dhcp excluded-address 192.168.100.252 Air=AG1242
ip dhcp excluded-address 192.168.100.253 CCNA Lab
ip dhcp excluded-address 192.168.100.254 Cisco SG200-18 Core Switch
!
ip dhcp pool local-LAN
import all
network 192.168.100.0 255.255.255.0
default-router 192.168.100.1
dns-server 192.168.100.1
lease 7
update arp
!
!
!
ip domain name (removed from public view)
ip name-server (ISP IPv4 Address removed from public view)
ip name-server 8.8.8.8
ip cef
ipv6 unicast-routing
ipv6 cef
!
!
license (removed from public view)
license (removed from public view)
!
!
username (removed from public view)
!
!
controller Cellular 0
!
!
interface FastEthernet0
description MGMT Port
no ip address
!
interface FastEthernet1
description LINK TO SG200-18 CORE SWITCH
no ip address
!
interface FastEthernet2
description LINK TO AIR-AG1242 WIFI ACCESS
no ip address
!
interface FastEthernet3
description LINK TO CiscoCCNALab
no ip address
!
interface FastEthernet4
description $ETH-WAN$
ip address ( Static IPv4 address removed from public view)
ip nat outside
ip virtual-reassembly in
duplex auto
speed auto
ipv6 address autoconfig
ipv6 enable
!
interface Cellular0
no ip address
encapsulation ppp
!
interface Vlan1
description VLAN1 WAN ROUTER
ip address 192.168.100.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
router rip
version 2
passive-interface Vlan1
network 192.168.100.0
no auto-summary
!
ip forward-protocol nd
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
ip flow-top-talkers
top 5
sort-by packets
cache-timeout 3600
!
ip nat inside source list 101 interface FastEthernet4 overload
ip route 0.0.0.0 0.0.0.0 ( Static IPv4 address removed from public view) permanent
ip route 0.0.0.0 0.0.0.0 FastEthernet4
!
!
access-list 101 permit ip 192.168.100.0 0.0.0.255 any
!
banner login ^CThis is a private home network if you have accessed this network
without me providing you with a username and password then you are truspassing and
as such you are required to logout now and never return. ^C
!
line con 0
exec-timeout 5 30
login local
no modem enable
line aux 0
line 3
no exec
line vty 0 4
privilege level 15
login local
transport input telnet ssh
line vty 5 15
privilege level 15
login local
transport input telnet ssh
!
!
end
WAN-Router#
