Guest

Preview Tool

Cisco Bug: CSCvs27889 - NAT address is deleted from route table after FTP passive mode communication

Last Modified

May 27, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.7(3.0e)M5

Description (partial)

Symptom:
PC1(FTP server)----------C891F-----Router2------PC2(FTP client)

During FTP communication from PC2 (Client) to PC1 (Server) ----- FTP passive mode
once PC2 (Client) download document from PC1 (FTP server) is completed, NAT virtual ip add disappeared from the ip route table / arp table on C891F. Then communication between PC1 --- PC2 failed because there is none NAT route.

Conditions:
FTP passive mode communication
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.