[c-nsp] Pkt forwarding query

Hank Nussbacher hank at efes.iucc.ac.il
Mon Nov 2 15:25:15 EST 2015


At 14:40 02/11/2015 -0500, Chuck Church wrote:

Perhaps ABF:
http://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r3-9-1/general/release/notes/rlse_a9k_392.html#wp433672

ipv4 access-list security-abf-acl
10 permit ipv4 any any nexthop 40.1.1.2
! where 40.1.1.2 is the tunnel interface IP

interface gi 0/0/0/1
ipv4 access-group security-abf-acl ingress

would this work?

-Hank

>I think you can policy route based on input interface.  At least I seem to
>remember something along those lines that you could match input interface
>on.  At least with IOS you could do that, not sure about IOS-XR.
>
>Chuck
>
>-----Original Message-----
>From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Hank
>Nussbacher
>Sent: Monday, November 02, 2015 2:19 PM
>To: cisco-nsp at puck.nether.net
>Subject: [c-nsp] Pkt forwarding query
>
>I am looking for a simple solution on IOS-XR where each and every pkt that
>comes out of a specific interface (Gi0/1) would be auto-fwded into tunnel0
>(uni-directional only).  No routing decisions, no BGP lookup, no static
>routing, no FIB, no RIB, just some sort of auto-fwd rule which would bypass
>the router entirely.  Possible?
>
>Thanks,
>Hank
>
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