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Configuring PPP over Ethernet with NAT

Hassan Kallab
Level 1
Level 1

Hi,

I have issue with our WAN Connection :

command intercom Main server -->Router-->modem-->--Internet-->Modem-->Cisco router--> Command Intercom Branch server.

 

Once I have the issue or small packet drop from internet connection and internet come up aging  the session between Two server is come down in the same time I try to ping the Remote and local server is ping ok.

 

also , I tried to restart the two intercom servers also the same result . I can ping the Remote and local servers in both way but the session and connection between servers is not come up .

 

In this case I make the following command "Clear interface Fast Ethernet 4" after make this the session is connected again between two server .

 

Any Advice .....

Router configuration :

interface FastEthernet4
 description $ETH-WAN$
 no ip address
 ip nbar protocol-discovery
 ip flow ingress
 duplex auto
 speed auto
 pppoe enable group global
 pppoe-client dial-pool-number 1

 

interface Dialer0
 ip address negotiated
 ip access-group ACL-INFRASTRUCTURE-IN in
 ip mtu 1452
 ip nat outside
 ip virtual-reassembly in
 encapsulation ppp
 dialer pool 1
 dialer-group 1
 ppp authentication pap callin
 ppp pap sent-username ppi3287@bellnet.ca password 0 support1
 no cdp enable

 

 

 

 

 

 

 

2 Replies 2

Hello,

 

do you have static or dynamic NAT configured ? Post, if possible, the full router configurations of both sides of the connection...

interface Vlan1
 description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$
 ip address 192.168.11.1 255.255.255.0
 ip nat inside
 ip virtual-reassembly
 ip tcp adjust-mss 1412

 

interface FastEthernet4
 description $ETH-WAN$
 no ip address
 duplex auto
 speed auto
 pppoe-client dial-pool-number 1

 

interface Dialer0
 ip address negotiated
 ip access-group ACL-INFRASTRUCTURE-IN in
 ip mtu 1452
 ip nat outside
 ip virtual-reassembly
 encapsulation ppp
 dialer pool 1
 dialer-group 1
 ppp authentication pap callin
 ppp pap sent-username XXXX password 0 XXXXXX

 

ip nat inside source static udp 192.168.11.62 16654 interface Dialer0 16654

 

 

The above configuration its match in both routers....