Comments on: Cisco Router 851 – 871 Interfaces and Basic Configuration

By: Mohammad Rivai

Mohammad Rivai — Wed, 15 Jun 2011 11:09:59 +0000

Thank a lot for your tutorial, my router 881 it working..

By: Dave Mooe

Dave Mooe — Mon, 02 May 2011 12:54:18 +0000

Does anyone have a configuration for an 881 connecting to an ASA via crypto ipsec cleint ezvpn?

I would like to have home user that do not have a static IP address be able to connect these router up and have an IPSec tunnel back to the home office.

Any working config would be most helpful!

Dave

By: Blog Admin

Blog Admin — Tue, 19 Apr 2011 19:14:17 +0000

You can not do what you describe above. The router’s WAN interface and firewall’s outside interface must be in different subnets

By: Usm

Usm — Mon, 18 Apr 2011 17:28:52 +0000

Dear Sir,

I have Subnet of 8 Live IPs from my ISP as well as I am having Cisco Router 871.
I want to assign one Live IP on Router’s WAN Interface (Fa 4) & 2nd Live IP on Firewall Outside Interface (Which will be connected to Rotuer’s Switch Interface from Fa0 – 3),
I want to do NAT from Firewall itself as well as want to use Switch ports without NAT.

Thanks in advance for your support

By: Blog Admin

Blog Admin — Fri, 18 Feb 2011 05:53:49 +0000

The hsrp must be running on the vlan interfaces and the internal interfaces of 800 routers must be connected on the same Layer2 switch. I’m not sure however if 800 series support HSRP.

By: zahir ahmed

zahir ahmed — Thu, 17 Feb 2011 15:32:45 +0000

Hi, I understand that you can only configure an IP address on port4 and the vlan interfaces of the 800 series router. However, my question is this:

If this is the case, i assume that any HSRP configuration from the internal LAN can only be configured on the VLAN interfaces?

I am thinking of purchasing two of thes routers; one connected to my WAN link (Rj45 presentation) and the other to sit before my ASA 5505. I want to run HSRP from the LAN side so that if the WAN interface on router1 fails, my traffic goes to the second 800 series which in turn will send traffic to the ASA so that it can create a VPN tunnel back to HQ.

Is this possible?

Thanks

By: mario

mario — Sun, 13 Feb 2011 14:51:30 +0000

basically on ebay its mostly 820 and 830 models for sale -will that be good enough to carry me through as i cant afford to buy more things later-i wanna start correctly from the beginning-thanks

By: mario

mario — Sun, 13 Feb 2011 14:48:48 +0000

also what cheap switch would be adequate for me to practice with -

By: mario

mario — Sun, 13 Feb 2011 14:46:28 +0000

im studying for my ccent and then my ccna and need to buy a router for home, i looked on ebay – there are a lot of 800 series and a lot of models-will it matter which model i get and will this 800 series be sufficient for what i need it thanks-

By: Jaspreet

Jaspreet — Fri, 11 Feb 2011 07:04:05 +0000

Hi,

I am trying to configure 4 wire shdsl. The line data comes up but the data is not getting through. Please can help.
Also I have checked 2wire shdsl, it is working fine.