c7000v2 port fowarding through to another router

> [...] a DSL modem and router before [...]

   Not a very detailed description of those devices.

> [...] from the v7000v2 router to a server which is on another router
> cable connected to the Netgear router. [...]

   Huh?  "the Netgear router"?  Has it a model number?  Why do you have
both a C7000v2 modem+router and some other (unspecified) "the Netgear
router"?

   What, exactly, is connected to what, exactly?  (Hint: If a device has
different types of Ethernet ports, then "connected to device" is not
enough detail.)

   The C7000v2 is (by default) a modem+router.  If your (unspecified) "a
DSL modem" was really a modem (not a modem+router), then that could
explain your problem.  Port forwarding has a better chance with one
router than it has with multiple routers.

   If your intent was to use the C7000v2 as a modem-only, with some
other (unspecified) "the Netgear router" as a router, then that should
be possible.  Are you connecting anything to the C7000v2 other than that
(unspecified) "the Netgear router"?

> [...] When I enter the port forward address of either 192.168.1.1 or
> 35 I get an error that that IP is not a plan.

   Two routers, two LAN subnets, problems with port forwarding (and
routing, as with your "ping" asymmetry).

> Is there a firewall or something blocking the port forward going
> through 2nd router?

   I'd vote for the second router.

> [...] Is can you help me fix it?

   Shed one of the routers?  Configure the C7000v2 to a modem-only, or
configure the mystery router as a wireless access point.  Which scheme
makes the most sense would depend on where you want to connect your
client devices.