Cisco 876 IP address not taking on interface

Hi
I have a Cisco 876 router, I need to connect ethernet WAN link, While configuring IP address am getting below error.
yourname(config)#int f0
yourname(config-if)#ip addres 172.30.1.0 1. 255.255.255.0
% IP addresses may not be configured on L2 links.
PFA of show tech-supp
Please help me

Hi Naresh,
Actually the Cisco 876 router has the following ports on the back panel:
Four 10/100BASE-T RJ-45 Fast Ethernet LAN ports with a built-in switch
One 10/100BASE-T RJ-45 WAN Fast Ethernet port
One ISDN S/T port
One ADSL-over-ISDN port
One RJ-45 console port
If the another wan link is ISDN type then you can use the ISDN S/T port it seems.
Connect the wan link to any interface then create a vlan and assign the wan link IP and do routing as possible.
I think so the above should work, because I have the same kind of setup. What I did is...
I have connected the WAN link to L2 port and create a vlan in router for the routing purpose.
Please rate all the helpfull posts.
Regards,
Naidu.

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third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
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A summary of U.S. laws governing Cisco cryptographic products may be found at:
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Processor board ID FTX1013W27Q
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1 ATM interface
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191K bytes of NVRAM.
62720K bytes of ATA CompactFlash (Read/Write)
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What's extremely strange is that everything else works. I could pull up Google in Lynx, and I was listening to an Internet radio station (Groove Salad) using cmus, and it worked just fine. Figuring it was just a fluke, I kept going and discovered that I had the same problem on the Desktop once I got around to gettting Xorg and Fluxbox working and after I installed Firefox. It's very strange - the computers are quite different (the netbook is running i686, and the desktop is running x86_64). I have a home file/web server running Gentoo, and I'm able to run Firefox on it using ssh/X-Forwarding, and it works just fine. I can also pull up my server on Firefox on both the Laptop and the Desktop (just on the LAN, not the Internet). I also tried installing SeaMonkey on the netbook just to see, and I got the same results - it can't access Google or anything. Both computers are dual-booting Windows XP and Arch, and Firefox works on Windows for both computers.
This might be the strangest error I've ever run into on Linux - I'm not sure what to do next to diagnose the issue. I'll gladly post any information anyone thinks is relevant. Any ideas?

It's definitely a DNS issue. I tried as Statix suggested above and it worked after a little tweaking. I went back and checked my modem, and it listed two DNS servers. I put those in resolv.conf manually and they worked too. My router or modem (192.168.0.1 and 192.168.1.254 respectively) should each be able to handle DNS on their own, but for some reason they aren't. I know it works; Windows XP and Gentoo both set their nameservers to 192.168.0.1 and 192.168.1.254 using DHCP and have no issues. When I tried DHCP on Arch, these were the relevant sections of rc.conf:
eth0="dhcp"
INTERFACES=(eth0)
gateway="default gw 192.168.0.1"
ROUTES=(!gateway)
I tried using ROUTES=(gateway) as well (no effect). When I did that, DHCP automatically set my resolv.conf to:
# Generated by dhcpcd
# /etc/resolv.conf.head can replace this line
nameserver 192.168.1.254
nameserver 192.168.0.1
# /etc/resolv.conf.tail can replace this line
So changing the eth0 line in rc.conf to:
eth0="eth0 192.168.0.100 netmask 255.255.255.0 broadcast 192.168.0.255"
And putting the nameservers in resolv.conf from the values my modem listed works, but it shouldn't be necessary. I'd rather have it send DNS requests to the router or modem like my other systems work, but at least I have a workaround for the time being. My time is a bit limited, but I'll keep looking into it when I have the chance and post whatever I find. If anyone has any other ideas, I'd appreciate it though. Thanks!

Not able to Interface Draft Invoice to AR

Hi,
We have one Draft Invoice which is Approved, Released, and AR Period also open and Remit-To-Address also defined but we are not able to Interface it to AR.. Could you please tell me what could be the reason.
Thanks
Bharath

Hi Dina,
Thanks for your reply, Project, Customer and Project Manager are Active not end dated & Log file also not showing any reasons.
Could you please tell me anything else I have to check to resolve this case
Regards
Bharath
Edited by: 983186 on Jan 23, 2013 9:44 PM

Cisco 878 port forwarding not working

I've configged ports to map for smtp, http, ftp, pop3 and https.
When telnetting to the router and checking on the router with show ip nat translation, the correct mappings are made.
The telnet session with the machine behind the router is not established however.
Telnetting from the router to the same machine on the correct ports does work.
At first I thought it was a config error, but the ip nat config is working fine on other routers.
I then put the config on a new 878, thinking some hardware problem. That didn't help, so I'm back at thinking it's a config error.
See attached file for logging and ip nat output as well as config.
Many thanks in advance.
Wouter

No, the ranges are not the same. That is, they share the same B-class stats, but no C-class.
Incidentally, the extendable parameter is present in this ios version. When I change the parameter interface dialer0 to the ip address associated with the interface, extendable is addedd automatically. No joy however.
Today I'm going to try and downgrade the ios, another router with 12.4(4)T1 does have functional port mappings....

Cisco 876 IP address not taking on interface

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