A network engineer checks the AAA server status:

R1# show aaa servers

RADIUS: id 1, priority 1, host 10.1.1.10, auth-port 1812, acct-port 1813 State: current DEAD, duration 0s, previous duration 500s Dead: total 1, retransmit 3 RADIUS: id 2, priority 2, host 10.1.1.20, auth-port 1812, acct-port 1813 State: current UP, duration 200s, previous duration 0s Dead: total 0, retransmit 0

Based on this output, what can be concluded?