/etc/dhcp/dhcpd.conf updated to reflect actual MAC and IP 
addresses for nnrpi1 and to add nnrpi2 to /etc/hosts

nnrpi1

% /sbin/ifconfig -a
eth0      Link encap:Ethernet  HWaddr b8:27:eb:0b:f6:73  
          inet addr:10.1.1.114  Bcast:10.1.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9315838 errors:0 dropped:0 overruns:0 frame:0
          TX packets:9579504 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:492141377 (469.3 MiB)  TX bytes:3950371110 (3.6 GiB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:8485967 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8485967 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:2807265055 (2.6 GiB)  TX bytes:2807265055 (2.6 GiB)

nnrpi2

pi@npg-monitor ~ $ ifconfig -a
eth0      Link encap:Ethernet  HWaddr b8:27:eb:6b:0a:a0  
          inet addr:10.1.1.117  Bcast:10.1.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:806 errors:0 dropped:0 overruns:0 frame:0
          TX packets:872 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:66327 (64.7 KiB)  TX bytes:548797 (535.9 KiB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)