ASA-5505# ping
Interface: inside
Target IP address: 192.168.2.2
Repeat count: [5]
Datagram size: [100]
Timeout in seconds: [2]
Extended commands [n]: y
Verbose? [no]: y
Validate reply data? [no]: y
Data pattern [0xabcd]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.2.2, timeout is 2 seconds:
You cannot choose a source interface like you do with the routers.