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"Basic" 831 SDM config not letting me "out"... »
« Cisco 678 question  
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aryoba
Premium,MVM
join:2002-08-22


4 edits
reply to emidika
Clarification and suggestion

After I revisit your config, there are some things that are incorrect. 1st of all, let me clarify something.

1) Does your ISP require you to use PPP (specifically PPPoE)?
2) Is it the IP address of 81.56.167.167 the proper IP address the ISP gave to you?

Assuming answers of above questions are all true, you cannot use 81.56.167.167 (or any IP in 81.56.167.x range) for LAN interface (e0). Why? Because you perform NAT. You have to use different IP segment (private IP address recommended).

The example on the FAQ stated, it used 10.10.10.x (10.10.10.1 255.255.255.0 to be precise) as IP address of e0. Now for the sake of simplicity, do the followings:

1) Replace the e0's IP address with 10.10.10.1.

2) Modify "access-list 10 permit 81.56.x.0 0.0.0.255" to be "access-list 10 permit 10.10.10.0 0.0.0.255" to match the modification on the step 1.

3) Add "ip tcp adjust-mss 1452" under interface e0's config to match the interface d1's.

4) Replace your PC's network setting with the followings. Set the IP address as (let's say) 10.10.10.2 with subnet mask 255.255.255.0 and IP default gateway as 10.10.10.1.

5) Lastly enter the DNS IP address (or addresses) to the PC's setting as well. If you don't know, ask your ISP; or see if you can find and use a working DNS.

Try these steps and see what happen ...

emidika

join:2004-02-04
france

ok , i am giving it a go. i shall let you know in lets than an hour. Other than that the address that was giving to me by my isp is: 81.56.167.167 and you can verify it by looking at my ipconfig /all
smtp.free.fr
news.free.fr

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : free.fr
Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connecti
on
Physical Address. . . . . . . . . : 00-07-E9-43-4A-1F
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.0.5
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 81.56.167.167
DNS Servers . . . . . . . . . . . : 212.27.32.176
212.27.32.177
NetBIOS over Tcpip. . . . . . . . : Disabled

PPP adapter free ADSL:

Connection-specific DNS Suffix . : free.fr
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 81.56.167.167
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Let me know if there is something odd in this .
Forums » Equipment Support » Hardware By Brand » Cisco"Basic" 831 SDM config not letting me "out"... »
« Cisco 678 question  


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