Cisco Bug: CSCul31192 - ESP crash @ipv4_nat_alg_prune_sd
Last Modified
Apr 17, 2019
Products (1)
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
15.2(4)S 15.3(3)S 15.4(1)S 15.4(2)S
Description (partial)
Symptom: ESP crashed in processing ALG traffic. The crash points to tcp sequence delta code, like: ipv4_nat_alg_prune_sd() ipv4_nat_add_seq_delta() Conditions: 1. NAT in CGN mode 2. High volume of ALG traffic with TCP transport
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