[c-nsp] aaa group doesn't fail over

Mike mike-cisconsplist at tiedyenetworks.com
Thu Nov 13 13:27:13 EST 2014


Hi,

     On Cisco 7201 with 122-33.SRE7, I have the following:

aaa group server radius radius-pia
  server 10.0.1.21 auth-port 1812 acct-port 1813
  server 10.0.1.22 auth-port 1812 acct-port 1813
  server 10.0.1.23 auth-port 1812 acct-port 1813
  deadtime 1


radius-server host 10.0.1.21 auth-port 1812 acct-port 1813 timeout 5 
test username servercheck idle-time 1 key none
radius-server host 10.0.1.22 auth-port 1812 acct-port 1813 timeout 5 
test username servercheck idle-time 1 key none
radius-server host 10.0.1.23 auth-port 1812 acct-port 1813 timeout 5 
test username servercheck idle-time 1 key none


     Today, server 10.0.1.21 is dead.  In my logs I have:

Nov 13 08:19:05.854 PST: %RADIUS-4-RADIUS_DEAD: RADIUS server 
10.0.1.21:1812,1813 is not responding.

     However, despite having 3 choices, the cisco continues to try and 
send radius requests to the new dead server. I had to manually remove 
'server 10.0.1.21 auth-port 1812 acct-port 1813' from the above to force 
it to use one of the remaining live hosts (the next one in the list).

     Is there something more I need to do to get it to not use a host it 
knows for a fact is dead?

Mike-







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