Sending 5, 100-byte ICMP Echos to 192.168.240.1, timeout is 2 seconds:
Request 0 timed out
Request 1 timed out
Request 2 timed out
Request 3 timed out
Request 4 timed out
Success rate is 0 percent (0/5)
ISDN-Remote#show arp
Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  192.168.245.1           -   0050.3eee.a8e0  ARPA   Ethernet0/0


ROUTER 2 ::

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.240.254, timeout is 2 seconds:
Request 0 timed out
Request 1 timed out
Request 2 timed out
Request 3 timed out
Request 4 timed out
Success rate is 0 percent (0/5)
ISDN-ChevyChase-DR#show arp
Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  128.128.2.10            4   000c.cea8.5e00  ARPA   Ethernet0/0
Internet  128.128.2.40            1   00e0.b84c.29f6  ARPA   Ethernet0/0
Internet  128.128.2.48            4   0000.5e00.01da  ARPA   Ethernet0/0
Internet  128.128.2.49            4   0000.5e00.01cc  ARPA   Ethernet0/0
Internet  128.128.2.55            -   0050.3eee.ab40  ARPA   Ethernet0/0
Internet  128.128.2.53            0   0014.2261.2f76  ARPA   Ethernet0/0
Internet  128.128.2.126           0   0050.8b6d.229d  ARPA   Ethernet0/0
Internet  128.128.2.173           2   0000.5035.8daa  ARPA   Ethernet0/0
Internet  128.128.2.215           5   00b0.d0fe.e0d6  ARPA   Ethernet0/0
Internet  128.128.2.218           1   0006.5bee.233e  ARPA   Ethernet0/0
Internet  128.128.2.217           0   00b0.d0fe.e0d6  ARPA   Ethernet0/0
Internet  128.128.2.254           0   0090.7f1e.3ecb  ARPA   Ethernet0/0