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Cisco Bug: CSCvp48213 - CSR1000v loses ssh/telnet connectivity on AWS and is unable to ping Elastic IP

Last Modified

Dec 01, 2019

Products (155)

  • Cisco Cloud Services Router 1000V Series
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst 3650-24PD-E Switch
  • Cisco Catalyst 3850-24P-L Switch
  • Cisco NCS 4202
  • Cisco Catalyst 3850-48XS-E Switch
  • Cisco Catalyst 3850-16XS-S Switch
  • Cisco Catalyst 3650-48FQM-L Switch
  • Cisco Catalyst 3850-48XS-F-S Switch
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Known Affected Releases

Everest-16.6.1 cedge-16.9.2

Description (partial)

Could not ssh/telnet into router. Pinging the Elastic ip address of CSR from local machine would not work.

PING ( 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1

IP address get unassigned on Interface after expiring dhcp renewal lease and interface flaps.

CSR-ip-10-1-0-10#sh ip int brief
Interface              IP-Address      OK? Method Status                Protocol
GigabitEthernet1       unassigned  <<<<<<<<<    YES DHCP   up                    up
GigabitEthernet2       YES NVRAM  up                    up

CSR1000v on AWS using t2.medium
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