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we are configuring ciscoworks and my consultant told me to define loopback.i need to define loopback interface on my routers(my network range is 152.6.0.0 255.255.0.0)do i need to define it within this range. second can i define ine ip address to all routers on their loopback interface.

I have two networks with different ip range and i want use nat on my router .i have two servers in my network which i want to it to see the other one servers in other network.i mean my two servers should be able to telnet and ftp to one of the server in another network. how i can configure...

Thank you dear

in checkpoint there is address translation available and also static/dynamic NAT available. 1.whats the difference in that ??? 2.a local ip is not NATed with Public IP and configured for address translation,the user is getting internet access how?? 3. if a local ip is NATed static with public...

what i have seen that,(one public ip is natter to 4 persons as well as to proxy server in checkpoint) and in nokia voyager that public ip is having map ARP of firewall interface. why is that and when i removed it the browsing stopped. Mapping ARP does what???

for what rotary stands fo,please give some brief explain

InCharge Domain : DFM Router 120.6.6.11 PerformanceException - System is experiencing Port or Interface performance problems. the above message i am getting for my router which is connected to our lan switch which is extreme and another ethernet connected to firewall checkpoint. what shall i...

How to configure telnet on port 3000 ????

i am getting this message from my cisco works for router 3600,can anybody explain it and tell how to overcome it. InCharge Domain : DFM Router 129.3.5.20 PerformanceException - System is experiencing Port or Interface performance problems.

what is keepalive for what we use it on interface of router???

my sniffer is showing some machines from my network like 17.4.2.22 sending traffic to 17.4.255.255 why is like that and how to stop this ???

when i use sniffer i see that there are some ip's like 232.116.137.1,237.113.28.1,224.0.0.10 etc listed.what are these ip's i dont have this in my network how i can stop this ???

from my exchange i can telnet to isp server on port 25 bt not from ISP.i have firewall in between when i am pinging my public ip it is showing the following on my router which is on outside world on public IP's.other exchange servers are running fine Type escape sequence to abort. Sending 5...