Trace and Ping with Record Option on Cisco Routers
cgriffin at ufl.edu
Mon Dec 22 23:07:30 UTC 2003
I believe source routing must be permitted in order for the record route
to function. Otherwise the packet is dropped.
On Mon, 2003-12-22 at 16:45, Danny.Andaluz at triaton-na.com wrote:
> Hey, Group.
> In my production network, I'm trying to do some extended traces and
> pings with the record option turned on to see what route my
> packets take going and returning. It's not working. If I do
> the extended traceroute or ping without the record option, it works
> fine. There is a firewall (PIX) a few hops in front of the
> destination I'm trying to record the route for. What part of ICMP is
> this that needs to be opened on the firewall to allow this to come
> back? First time I'm coming across this.
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