I need help setting up my 2811 to do basic routing.
I have been given the task of setting up a 2811 to handle basic routing.
We have a business cable modem account with 5 static addresses assigned to that account. For us to get on to the internet we have to use one of those static addresses. The static addresses are class A addresses with a submask of 255.255.255.248 and they also have static class A dns addresses. Our internal addresses are also class A addresses with a subnet of 255.255.255.0 and are mixed between static and dhcp addresses.
All I would like help doing is getting my modem connected to the 2811 to provide internet connection to my network. It seem straight forward but I can't seem to get that to happen and I'm not very familiar with IOS but learning a lot now.
Any help would be appreciated greatly.
Here is the version of this server if it helps in any way.
Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(15)T10, RELEASE SOFTWARE (fc3) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2009 by Cisco Systems, Inc. Compiled Mon 14-Sep-09 14:01 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T11, RELEASE SOFTWARE (fc1)
router uptime is 32 minutes System returned to ROM by reload at 03:33:43 UTC Sat May 8 2004 System image file is "flash:c2800nm-ipbase-mz.124-15.T10.bin"
Cisco 2811 (revision 53.50) with 251904K/10240K bytes of memory. Processor board ID FTX1344AHYJ 2 FastEthernet interfaces DRAM configuration is 64 bits wide with parity enabled. 239K bytes of non-volatile configuration memory. 62720K bytes of ATA CompactFlash (Read/Write)
To enable routing (the command ip routing should be used although not normally necessary on a router), you also need routes in your routing table. A good starting point is a default route pointing to either the next-hop address or exit interface (p2p only I believe). So you would need to do this:
ip route 0.0.0.0 0.0.0.0 x.x.x.x/int where x.x.x.x = next hop address, int = exit interface.
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