Cisco 1841 EFM to Cisco 887 Router

[maxkirktdb]

Hi all,

I'm  new to Cisco configuration and I'm in need of some urgent assistance please:

I've moved a Cisco 887 router from a site where it was used to dial up on an ADSL line to a new site where we have a EFM circuit which terminates at a Cisco 1841 router managed by our ISP.

I therefore need to re-configure our 887 router to work as a conduit from our servers back to the Cisco 1841 as its gateway.

I have asked for help from our ISP and they told me that i need to configure the 887 to use IP address 176.35.140.65 255.255.255.248 and its gateway should be 176.35.140.70.

That's great advice in theory but I don't know how to configure this correctly

Our internal network is using subnet 192.168.42.XX which will need to be retained for local devices.

Any advice would be greatly apprecaited

Thanks

[Abzal]

Hi,
Could you show your current configuration of 887 router?

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[maxkirktdb]

Current configuration : 13377 bytes

!

version 15.0

no service pad

service tcp-keepalives-in

service tcp-keepalives-out

service timestamps debug uptime

service timestamps log uptime

service password-encryption

!

hostname HDCRtrADSL

!

boot-start-marker

boot-end-marker

!

logging buffered 51200

!

no aaa new-model

!

!

!

memory-size iomem 10

clock timezone GMT 0

clock summer-time GMT recurring last Sun Mar 2:00 last Sun Oct 2:00

!

!

no ip source-route

!

!

!

!

ip cef

ip name-server 192.168.42.21

ip inspect name DIALER_0 tcp

ip inspect name DIALER_0 udp

ip inspect name DIALER_0 icmp

ip inspect name DIALER_0 ftp

ip inspect name DIALER_0 sip

ip inspect name DIALER_0 ntp

ip inspect name DIALER_0 h323

ip inspect name DIALER_0 rtsp

ip inspect name DIALER_0 pptp

ip inspect name DIALER_0 dns

ip inspect name INBOUND ftp

ip inspect name INBOUND http

ip inspect name INBOUND https

ip inspect name INBOUND sip

no ipv6 cef

!

!

multilink bundle-name authenticated

vpdn enable

!

interface Loopback0

ip address 192.168.5.1 255.255.255.0

ip broadcast-address 0.0.0.0

!

!

!

interface BRI0

no ip address

ip broadcast-address 0.0.0.0

encapsulation hdlc

isdn termination multidrop

!

!

interface ATM0

description ADSL Interface

no ip address

ip broadcast-address 0.0.0.0

no atm ilmi-keepalive

!

!

interface ATM0.1 point-to-point

ip broadcast-address 0.0.0.0

pvc 0/38

  encapsulation aal5mux ppp dialer

  dialer pool-member 1

!

!

interface FastEthernet0

!

!

interface FastEthernet1

!

!

interface FastEthernet2

!

!

interface FastEthernet3

switchport access vlan 2

!

!

interface Virtual-Template1

ip unnumbered Vlan1

ip broadcast-address 0.0.0.0

ip nat inside

ip virtual-reassembly

peer default ip address pool PPTP

no keepalive

ppp encrypt mppe auto required

ppp authentication ms-chap ms-chap-v2

!

!

interface Vlan1

description HDC Main ADSL Router INTERAL NETWORK

ip address 192.168.42.11 255.255.255.0

ip broadcast-address 0.0.0.0

ip access-group 102 in

ip nat inside

ip virtual-reassembly

ip tcp adjust-mss 1418

!

hold-queue 100 out

!

interface Vlan2

description HDC DMZ

ip address 192.168.43.10 255.255.255.0

ip broadcast-address 0.0.0.0

ip nat inside

ip virtual-reassembly

ip tcp adjust-mss 1418

!

hold-queue 100 out

!

interface Dialer0

description Connection to the Internet

bandwidth 800

bandwidth receive 3868

ip address negotiated

ip broadcast-address 0.0.0.0

ip access-group 101 in

no ip redirects

no ip unreachables

ip mtu 1458

ip verify unicast reverse-path

ip nbar protocol-discovery

ip nat outside

ip inspect INBOUND in

ip inspect DIALER_0 out

ip virtual-reassembly

encapsulation ppp

dialer pool 1

dialer-group 1

ppp authentication chap pap callin

ppp chap hostname C920903@hg28.btclick.com

ppp chap password 7 111918160405041E007B

ppp pap sent-username C920903@hg28.btclick.com password 7 071F205F5D1E16171343

ppp ipcp dns request

no cdp enable

crypto map FNVPN

!

service-policy output QOS-VOICE

!

!

router eigrp 1

network 172.16.5.0 0.0.0.255

network 172.16.51.0 0.0.0.255

network 192.168.12.0

network 192.168.42.0

network 192.168.43.0

passive-interface Dialer0

passive-interface ATM0

passive-interface ATM0.1

passive-interface BRI0

!

ip local pool PPTP 192.168.42.240 192.168.42.254

ip forward-protocol nd

ip http server

no ip http secure-server

!

!

[Abzal]

Can you tell exactly model of your router?

[maxkirktdb]

Hi Abzal,

Cisco-887-SEC-K9 V01

Thanks

[Abzal]

I'm not sure if you're using PPP login and username, but try this:

*

*

(other config the same)

interface Dialer0

description Connection to the Internet

bandwidth 800

bandwidth receive 3868

ip address 176.35.140.65 255.255.255.248

ip access-group 101 in

no ip redirects

no ip unreachables

(other config the same)

*

*

ip route 0.0.0.0 0.0.0.0 176.35.140.70

And get your ISP to tell you what type of service you have -- PPPoE, PPPoA, bridged, or routed.

[maxkirktdb]

Hi Abzal,

Using the Dialer0 interface doesn't seem to work.

I guess another way to look at it is I'm trying to bridge two networks using the 887 Router. I'm trying to retain the subnet 192.168.42.XX for my local network (setup as the existing Vlan 1) and then use the 176.35.XXX.XXX subnet for WAN. How about re-configuring Vlan2 as the 176.35.XXX.XXX subnet and pointing Vlan2 to the FastEthernet port for the physical connection to the EFM router? If this would work, how do I setup the Cisco to use Vlan2 as its gateway?

Thanks,

Max

[Abzal]

I think it could work. You can try and set up ip routing default gateway pointing to ISP ip address.

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