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Cisco Bug: CSCvv08952 - FirewallNotInitiator drops with ZBFW for DIA traffic over Dialer interface with UTD enabled

Last Modified

Oct 04, 2020

Products (1)

  • Cisco XE SD-WAN Routers

Known Affected Releases

17.2.1r

Description (partial)

Symptom:
some traffic does not pass IOS-XE router, at the same time we can ping destination.
if we check packet-trace, we can see drops by zone-based firewall (ZBFW) with code 191 (FirewallNotInitiator)

Conditions:
UTD is enabled together with ZBFW and device performs DIA/NAT for traffic going to the Internet via Dialer interface
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