i have two routers interconnected(1700 & 2600 series)in lab environment.i cannot ping from each host of one router to the host of another router. when i am running ping command from one host it is giving the following reply:
"Reply from 192.168.40.1 : TTL expires in transit". whereas 192.168.40.1 is the ip address of the serial port on which i am running the ping command.
thanks Paul for your suggetion, actually no dynamic routing protocol is working on both of the router (although all of them can be configured) and for the static routing though i am configuring statically still the ping command is not working.
You can have a routing loop withut a routing protocol.
I'll keep this example simle and use /24s all round.
ip route 0.0.0.0 0.0.0.0 10.99.99.2
ip route 0.0.0.0 0.0.0.0 10.99.99.1
So both routers have a lan, and a default route pointing to each other. Go to a host on the LAN on R1 and trace route to 10.1.3.99 and you will gget responses from R1, R2, R1, R2, R1, until TTL expires.
To help we need to see the config of interfaces on the routers, and the routing table of the routers. A log of the ping will help too. it is best if you copy & paste, as manually typing in will not necessarily copy any typos you have made.
I am not sure what platform you are using with the statement route outside 0.0.0.0 0.0.0.0 10.10.10.10 1. It looks more like a firewall than an IOS based device which I believe is the focus of the original post.
In any case whether it is IOS or firewall the number that follows the mask in the route statement is not TTL but is distance. Using a distance gives us the ability to configure floating static routes when we configure a distance on the static route other than its default distance. So we can configure a static routes with a distance less attractive than other static routes or less attractive than routes discovered by our dynamic routing protocol. So if a route to some destination is available from some other source then that route is used but if there is no route from another source then the floating static is used. But there is not a way to set the TTL in a static route.
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