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 Post subject: CISCO 1711 home network configuration
PostPosted: Wed Jul 28, 2010 4:49 pm 
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Certs: A+ MCP
Connecting cisco 1711 to my home network. Comcast Cable modem is connected to Ethernet 10/100 and PC connected to FastEthernet1.
Show ip inf br
Interface IP-Address OK? Method Status Prot
ocol
Async1 unassigned YES NVRAM down down

Vlan1 192.168.100.1 YES NVRAM up up

FastEthernet0 xx.xxx.xxx.xxx YES DHCP up up

FastEthernet1 unassigned YES unset up up

FastEthernet2 unassigned YES unset up down

FastEthernet3 unassigned YES unset up down

FastEthernet4 unassigned YES unset up

Sh run
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
no aaa new-model
ip subnet-zero
!
!
ip dhcp excluded-address 192.168.100.1
!
ip dhcp pool mypool
import all
network 192.168.100.0 255.255.255.0
domain-name mydomain.com
dns-server 68.87.64.146 68.87.75.194
default-router 192.168.100.1
!
!
no ip domain lookup
ip name-server 68.87.64.146
ip name-server 68.87.75.194
no ip cef
ip ids po max-events 100
no ftp-server write-enable
!
!
!
!
!
!
!
!
interface FastEthernet0
description World Wide Web
ip address dhcp
ip nat outside
ip virtual-reassembly
no ip route-cache
duplex auto
speed auto
no cdp enable
!
interface FastEthernet1
switchport access vlan 10
no ip address
!
interface FastEthernet2
no ip address
!
interface FastEthernet3
no ip address
!
interface FastEthernet4
no ip address
!
interface Vlan10
description PC
ip address 192.168.100.1 255.255.255.0
ip nat inside
ip virtual-reassembly
!
interface Async1
no ip address
!
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0
ip http server
no ip http secure-server
ip nat inside source list 101 interface FastEthernet0 overload
!
!
!
access-list 101 permit ip 192.168.100.0 0.0.0.255 any

I am getting a public ip from the modem and DHCP looks fine.
I think problem is with FastEthernet1 shows no IP and can not ping my PC. PC displace the IP of 192.168.100.2 and proper DNS and gateway info. I am missing something please help

Thank you in advance.


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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Wed Jul 28, 2010 5:58 pm 
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Joined: Wed Jun 02, 2010 9:49 pm
Posts: 118
Location: Central Florida
Certs: Network+, CCNA
looks like you got a typo on int fa 1. Looks like you have vlan 10. Shouldn't it be vlan1?

however, I do see you have VLAN10 in the config, but your sh ip int bri shows:

Vlan1 192.168.100.1 YES NVRAM up up

I would take a look again at the config. other than that everything else looks good.

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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Wed Jul 28, 2010 6:54 pm 
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Joined: Wed Jul 28, 2010 4:30 pm
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Certs: A+ MCP
Thank you for your help.
I updated my config file. When I use vlan 1 I can not assign switchport to it on Fa1
but when I use vlan 10 its fine I see switchport info under Fa1. So I just used vlan 10
is that ok or do I have to use vlan 1?

Interface IP-Address OK? Method Status Prot
ocol
Async1 unassigned YES NVRAM down down

Vlan10 192.168.100.1 YES manual up down

Vlan1 unassigned YES manual up down

FastEthernet0 xx.xxx.xxx.xxx YES DHCP up up

FastEthernet1 unassigned YES unset up up

FastEthernet2 unassigned YES unset up down

FastEthernet3 unassigned YES unset up down

FastEthernet4 unassigned YES unset up

Sh run
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
no aaa new-model
ip subnet-zero
!
!
ip dhcp excluded-address 192.168.100.1
!
ip dhcp pool mypool
import all
network 192.168.100.0 255.255.255.0
domain-name mydomain.com
dns-server 68.87.64.146 68.87.75.194
default-router 192.168.100.1
!
!
no ip domain lookup
ip name-server 68.87.64.146
ip name-server 68.87.75.194
no ip cef
ip ids po max-events 100
no ftp-server write-enable
!
!
!
!
!
!
!
!
interface FastEthernet0
description World Wide Web
ip address dhcp
ip nat outside
ip virtual-reassembly
no ip route-cache
duplex auto
speed auto
no cdp enable
!
interface FastEthernet1
switchport access vlan 10
no ip address
!
interface FastEthernet2
no ip address
!
interface FastEthernet3
no ip address
!
interface FastEthernet4
no ip address
!
interface Vlan10
description PC
ip address 192.168.100.1 255.255.255.0
ip nat inside
ip virtual-reassembly
!
interface Async1
no ip address
!
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0
ip http server
no ip http secure-server
ip nat inside source list 101 interface FastEthernet0 overload
!
!
!
access-list 101 permit ip 192.168.100.0 0.0.0.255 any


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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Wed Jul 28, 2010 7:10 pm 
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Posts: 99
Location: Northern VA
Certs: CCNP CCIP CCNA-Security
The ports are assigned to vlan1 by default so it does not show up in the running config.

The static default route is pointing to fa0 interface. I would change the "interface fa0" to "dhcp".


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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Wed Jul 28, 2010 8:26 pm 
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Posts: 246
Location: North Carolina
Certs: CCNA
I'd get rid of these ->
no ip domain lookup
ip http server

if you run the httpd, set up authentication.

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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Thu Jul 29, 2010 12:06 am 
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Joined: Wed Jul 28, 2010 4:30 pm
Posts: 3
Certs: A+ MCP
I got it. It's working it was that default route I changed it to ip route 0.0.0.0 0.0.0.0 dhcp release renew ip on my pc
and bang its up now. Great thank you all. Especially sysctl. The only think is if dhcp is assign to fa0 why
default gateway does not work if I just assign fa0 why it has to be dhcp not sure. But it works.


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 Post subject: Re: CISCO 1711 home network configuration
PostPosted: Thu Jul 29, 2010 6:58 am 
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Posts: 5394
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Certs: CCIE Written, CCIP, CCNP, CCNA V, JNCIA, ITILv3
Not sure how that fixed everything unless you changed the VLAN stuff too.

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