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ASA 5515 IPS management access


This document covers an issue faced by users where they are not able to access ASA IPS Module. 


User facing below mentioned issue:

  • can not access to the  ASA IPS module.
  • When tried from ASDM. Configuration->IPS. User type username and password and see following message: "Error connecting to sensor. Error loading sensor"

Topology mentioned by user



Config provided by the user


KR-ASA# sh run int gig 0/5


interface GigabitEthernet0/5

nameif Inside

security-level 100

ip address standby


interface Management0/0


no nameif

security-level 0

no ip address


KR-ASA# sh module ips details       

App. name:          IPS

App. Status:        Up

App. Status Desc:   Normal Operation

App. version:       7.1(4)E4

Data Plane Status:  Up

Status:             Up

License:            IPS Module  Enabled  perpetual

Mgmt IP addr:                                               

Mgmt Network mask:                                              

Mgmt Gateway:                                               

Mgmt Access List:                                              

Mgmt Access List:                                              

Mgmt web ports:     443                                                        

Mgmt TLS enabled:   true  


KR-ASA# ping

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:


Success rate is 100 percent (5/5), round-trip min/avg/max = 10/10/10 ms


same-security-traffic permit inter-interface

same-security-traffic permit intra-interface

Scenario 2

User have two Cisco ASA5540X firewalls with IPS modules configured in a failover pair. Behind this firewall pair (on the inside) are about 140 hosts that use various web-enabled applications, minimal Internet, some email (maybe 10 hosts), and some light file-sharing/access. My IPS is configured for inline analysis, but I have noticed that the cpu runs 100% all the time (6 cores). 

Since I don't want any traffic by-passing the IPS, my configuration on the firewall looks like this


This is one of the issues which is lately seen on the TAC and yes, it is related to the java version on the PC because of the JAVA SSL Client Hello Format. Java downgrade should fix this.

Go to control panel->right click java->Open->Advanced->Check all boxes under debugging and click radio button for show console

Scenario 2

Although I have installed a handful of these and all of them have had a a CPU load of 100%, I was told by  support that the CPU load on an IPS is very inaccurate way of determining load, it is much better to use the inspection processing load. After further digging I found this  - the issue is discussed as part of this bug - CSCtl74475

Source Discussion