Hi experts, I have four routers: one is 1811 and three 871. I want to configure dynamic routing between them and I choosed OSPF to do that. Because of that routers doesn't have layer 3 FE interfaces but only 8 or 4 port switch interfaces, i am not su...

Hi, I have 1811 with 2 ISP connection, both over fastEthernet ports. I did the 1 ISP route as primery and the seconf ISP as backup. The problem is that first ISP has DNS server 212.X.X.X and the second ISP has DNS 85.X.X.X. These are different ISP an...

Hi experts, I've configured a Zone Based firewall on my 871 router with the latest IOS 12.4(24)T. My problem is that when i apply zone-pair internet-self source internet destination self i can't receive any traceroute responces from the router. When ...

Hi experts, I have ADSL internet connection with static IP. Behind the ADSL modem i have Cisco 871 with which i'm trying to make VPN tunnel with 3rd party organization. My ADSL wan interface has ip address x.x.x.40 and lan interface 192.168.1.1My Cis...

Hi experts, i have 871 with IOS 12.4(24)T advIPservices. flash memory is 28MB and the proc memory is 128MB. The problem is that the free processor memory decreases and after some period of time (2-3 days) the router is overloaded. After restart, the ...