I have two Cisco ASR1001s that has recently lost its ability to respond to ssh request. Authentication takes place using local credential. This particular device is an edge router and handles the load our inbound and outbound traffic. They are both running HSRP. A recommendation was made to upgrade the device 8gig of ram. This has worked once upon a time.
Is it possible that the vty ports are configured to not have an inactivity timeout? I have seen symptoms similar to what you describe when the vty did not have inactivity timeout. What was happening was that people would establish remote access sessions and then their end of the session would terminate but not do a logoff from the router. After a while all the vty ports were in use and no further sessions could be established. If this is the issue then you should be able to do a clear line on some of the vty ports (assuming that you do have console access) and restore the ability to respond to SSH.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...