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Community Member

HTTP traffic via NAT on 678 DSL router

I have a Cisco 678 DSL router. I have successfully added NAT entries to pass FTP and SMTP traffic through to my server. Even though I set HTTP traffic up the same way, it does not pass through.

Has anyone ever accomplished this? Does anyone know who to do this?

I used the following command:

set nat entry add 10.0.0.249 80

Is there any way to monitor traffic coming to the router so I can see if the port 80 traffic is even reaching the router?

I am running CBOS V2.4.3

Thanks.

2 REPLIES
Community Member

Re: HTTP traffic via NAT on 678 DSL router

do you have ACLs configured? also, upload your config.

Community Member

Re: HTTP traffic via NAT on 678 DSL router

Thanks for the response. To my knowledge there are no ACLs (didn't know the 678 had ACLs). There are no filters on the 678. The target internal node is 10.0.0.249. All ports work ok except port 80.

cbos#show ver

Cisco Broadband Operating System

CBOS (tm) 678 Software (C678-I-M), Version v2.4.3 - Release Software

Copyright (c) 1986-2001 by cisco Systems, Inc.

Compiled Aug 21 2001 19:07:25

DMT FULL firmware version G96

NVRAM image at 0x1030dcc0

cbos#

cbos#show config

Warning: traffic may pause while NVRAM is being accessed

[[ CBOS = Section Start ]]

NSOS Remote Restart = enabled

NSOS Ethernet Speed = autodetect

NSOS MD5 Enable Password = xxxxxxxxxxxxxxxxxx

NSOS MD5 Root Password = xxxxxxxxxxxxxxxxxxxx

NSOS MD5 Commander Password = xxxxxxxxxxxxxxx

[[ DHCP = Section Start ]]

DHCP Server = enabled

DHCP Server Pool DNS = 00, 166.102.165.11

DHCP Server Pool Secondary DNS = 00, 166.102.165.13

[[ IP Routing = Section Start ]]

IP NAT Entry = 10.0.0.249, 3389, *, 3389, tcp;10.0.0.249, 110, *, 110, tcp;10.0.0.249, 80, *, 80, udp;10.0.0.249, 80, *, 80, tcp;10.0.0.249, 25, *, 25, tcp;10.0.0.249, 21, *, 21, tcp;10.0.0.3, 4005, *, 4005, tcp; 10.0.0.3, 3840, *, 3840, tcp; 10.0.0.3, 7000, *, 7000, tcp; 10.0.0.3, 1237, *, 1237, udp; 10.0.0.3, 1236, *, 1236, udp; 10.0.0.3, 1235, *, 1235, udp; 10.0.0.3, 1234, *, 1234, udp; 10.0.0.3, 4000, *, 4000, udp; 10.0.0.3, 5400, *, 5400, udp;

IP NAT = enabled

[[ WEB = Section Start ]]

[[ PPP Device Driver = Section Start ]]

PPP Port Option = 00, IPCP,IP Address,3,Auto,Negotiation Not Required,Negotiable,IP,0.0.0.0

PPP Port User Name = 00, xxxxxxxx

PPP Port User Password = 00, ****

[[ Telnet = Section Start ]]

[[ TFTP = Section Start ]]

TFTP Client = 10.0.0.3

cbos#

cbos#show process

Process Status Report

[TYPE] [NAME] [PRESENT] [ACCEPTING] [MEMORY]

---------------------------------------------------------------------

DRIVER D100 Ethernet Driver Yes 27648

DRIVER PPP Driver Yes 6048

DRIVER ATM WAN Driver Yes 17440

PROTOCOL IP Routing Yes 1248

PROTOCOL RIP Yes No 128

PROTOCOL UDP Yes 864

PROTOCOL ARP Yes 256

PROTOCOL RARP Yes 0

TRANSPORT TCP Transport Yes 512

APPLICATION SNMP Engine Yes No 64

APPLICATION Sockets Interface Yes 1312

APPLICATION TFTP Daemon Yes No 0

APPLICATION Telnet Daemon Yes Yes 0

APPLICATION RADIUS Security Yes No 0

APPLICATION RADIUS Accounting Yes No 0

APPLICATION SYSLOG Client Yes No 0

APPLICATION Web Server Yes No 0

APPLICATION SNMP Management Yes No 0

APPLICATION DHCP Server Yes 192

APPLICATION DHCP Client Yes 192

APPLICATION Commander Yes 192

APPLICATION TFTP client Yes 192

System memory: In use: 540032 Available: 938623

Stack: 365380 bytes remain (0x102283EC highest used)

CPU idle percentage: 99.99

cbos#

cbos#show nat

cbos#

NAT is currently enabled

Port Network Global

eth0 Inside

wan0-0 Outside 162.40.225.98

vip0 Outside

vip1 Outside

vip2 Outside

Local IP : Port Global IP : Port Timer Flags Proto Interface

10.0.0.3:4005 *****:4005 0 0x00041 tcp eth0

10.0.0.3:3840 *****:3840 0 0x00041 tcp eth0

10.0.0.3:7000 *****:7000 0 0x00041 tcp eth0

10.0.0.3:1237 *****:1237 0 0x00041 udp eth0

10.0.0.3:1236 *****:1236 0 0x00041 udp eth0

10.0.0.3:1235 *****:1235 0 0x00041 udp eth0

10.0.0.3:1234 *****:1234 0 0x00041 udp eth0

10.0.0.3:4000 *****:4000 0 0x00041 udp eth0

10.0.0.3:5400 *****:5400 0 0x00041 udp eth0

10.0.0.249:21 *****:21 0 0x00041 tcp eth0

10.0.0.249:25 *****:25 0 0x00041 tcp eth0

10.0.0.249:80 *****:80 0 0x00041 tcp eth0

10.0.0.249:80 *****:80 0 0x00041 udp eth0

10.0.0.249:110 *****:110 0 0x00041 tcp eth0

10.0.0.249:3389 *****:3389 0 0x00041 tcp eth0

10.0.0.2:1295 162.40.225.98:19644 40170 0x00146 tcp eth0 wan0-0

10.0.0.2:1445 162.40.225.98:20830 86370 0x00046 tcp eth0 wan0-0

10.0.0.2:1508 162.40.225.98:20900 60960 0x00246 tcp eth0 wan0-0

10.0.0.2:2003 162.40.225.98:21408 90 0x00046 udp eth0 wan0-0

10.0.0.2:2032 162.40.225.98:21449 120 0x00046 udp eth0 wan0-0

10.0.0.3:3504 162.40.225.98:21765 86340 0x00146 tcp eth0 wan0-0

10.0.0.3:3505 162.40.225.98:21766 86340 0x00146 tcp eth0 wan0-0

10.0.0.3:3507 162.40.225.98:21769 86340 0x00146 tcp eth0 wan0-0

cbos#

cbos#show errors

- Current Error Messages -

## Ticks Module Level Message

0 000:00:00:00 ATM Info inband management has allocated connection with vpi 1 and vci 4

1 000:00:00:00 PPP Info IPCP Open Event on wan0-0

2 000:00:00:14 ATM Info Wan0 Up

3 000:00:00:14 PPP Info PPP Up Event on wan0-0

4 000:00:00:19 PPP Info LCP open on wan0-0

5 000:00:00:24 PPP Info PPP Down Event on wan0-0

6 000:00:00:28 PPP Info PPP Up Event on wan0-0

7 000:00:00:33 PPP Info LCP open on wan0-0

8 000:00:00:33 PPP Info IPCP Negotiated IP Address 162.40.225.98 on wan0-0

9 000:00:00:33 PPP Info IPCP Negotiated IP Subnet Mask 255.255.255.0

Total Number of Error Messages: 10

cbos#

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