Tuesday, April 23, 2019

VPN Site to Site tunnel ACL Woes

ASA's and I don't get along very well. I never had any experience with them before I took my present role, and I was unaware (as were they) as to how integral this knowledge was and is to the position. Surprise Surprise!

Anywho--I am trying to set up a site to site tunnel and when I use the packet tracer to try and contact the remote network I am hit with this particular message:

Action "X" show rule in access rules table, config implicit rule

Result, packet is dropped (acl-drop) flow is denied by configured rule.

Under Site-to-Site VPN under ACL Manager, this particular cryptomap is set as permitted along with the others that are functioning. Neither of them are specifically stated in the firewall section.

IP <Peer IP>

Local Network <Local Network Object>

Remote Network <Remote Network Object>

NAT-T Enabled, PFS Enabled Group #

Nat Rules:

source inside dest ISP source <Local> dest <remote> service any

See, I'm not even sure if I'm running packet tracer from the correct interface.

When I run it from the inside, I get an (rpf-violated) reverse-path verify failed

When I run it from the ISP (outside interface), I get the acl-drop .



No comments:

Post a Comment