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GRE Tunneling

Ken Hagen
Level 1
Level 1

Problem with GRE Tunnel:

I keep getting tunnel 0 up down, and there is no route to the destination, even though I put in a static route.

RouterA.png

showrunRtrA.png

RtrBshipintbri.png

shrunRtrB.png

Message was edited by: kehagen Thanks guys.  Basically I fixed it by fixing the ip connectivity between the two routers.  Your questions triggered me to look in the right direction.

KEN HAGEN CCIE#56460
SENIOR NETWORK ENGINEER | PSA
SEATTLE CITY LIGHT
M: 206-459-0027 | ken.hagen@seattle.gov
We Power Seattle seattle.gov/city-light

2 Replies 2

Hitesh Vinzoda
Level 4
Level 4

Hi

Are you able to ping the tunnel destination and traceroute. post the sh ip route if possible

HTH

Hitesh Vinzoda

Pls rate useful posts

m.lammerse
Level 1
Level 1

Hi,

can you do an extended ping between the two loopback addresses (i.e. ping 128.8.8.8 with source 129.9.9.9 )? If not, you may need to add a static route for them over the serial interface.

HTH,

Marcel

Review Cisco Networking products for a $25 gift card