Cisco Cisco Packet Data Gateway (PDG)
System Security
▀ Per-Chassis Key Identifier
▄ ASR 5500 System Administration Guide, StarOS Release 17
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Support for ICSR Configurations
Inter-Chassis Session Recovery (ICSR) is a redundancy configuration that employs two identically configured ASR
5500 chassis as a redundant pair.
5500 chassis as a redundant pair.
ICSR chassis share the same chassis key. If the ISCR detects that the two chassis have incompatible chassis keys, an
error message is logged but the ICSR system will continue to run. Without the matching chassis key, the standby ICSR
chassis can recover services if the active chassis goes out of service; the standby chassis will still have access to the
passwords in their decrypted form.
error message is logged but the ICSR system will continue to run. Without the matching chassis key, the standby ICSR
chassis can recover services if the active chassis goes out of service; the standby chassis will still have access to the
passwords in their decrypted form.
ICSR chassis use Service Redundancy Protocol (SRP) to periodically check to see if the redundancy configuration
matches with either decrypted passwords or DES-based two-way encryption strings. Since the configuration is
generated internally to the software, users are not able to access the configuration used to check ICSR compatibility.
matches with either decrypted passwords or DES-based two-way encryption strings. Since the configuration is
generated internally to the software, users are not able to access the configuration used to check ICSR compatibility.