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Cisco Bug: CSCuw38587 - sshd: authorized-key host name CLI mis-leading from R17 CLI guide

Last Modified

Feb 07, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.4.0

Description (partial)

Symptom:
After R17, when configure for server sshd:  authorized-key username user_name host host _name [ type { v2-dsa | v2-rsa } ] where host name has been changed from character string to IPv4/IPv6 format. 

This is not documented in the R17 CLI guide and it has been changed since R14. Customer did not expect hostname being changed as such as they are using FQDN via DNS to resolve the correct IP address.

Conditions:
[eddy]IAGG03FTC(config-sshd)# authorized-key
  username             - Username being authorized
[eddy]IAGG03FTC(config-sshd)# authorized-key username eddy
  host                 - Host IPv4/IPv6 address of user
[eddy]IAGG03FTC(config-sshd)# authorized-key username eddy host
  <IPV4 ##.##.##.## or IPV6 ####:####:####:####:####:####:####:#### (IPV6 also supports :: notation)>
  IPV6 ####:####:####:####:####:####:####:#### (IPv6 also supports :: notation)
[eddy]IAGG03FTC(config-sshd)# authorized-key username eddy host
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