ping & ping6 Flashcards
1
Q
ping
A
ping uses the ICMP protocol’s mandatory ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from a host or gateway.
2
Q
ping
- 4, IPv4 only.
- 6, IPv6 only.
- a, Audible ping.
- A, Adaptive ping.
- b, Allow broadcast addr pinging.
- B, Do not allow ping to change source addr of probes.
A
- d, Set the SO_DEBUG option.
- D, Print timestamp
- f, FLood ping.
- L Suppress loopback of multicast packets.
- n, Numeric output only.
- O, Report outstanding ICMP ECHO reply.
- q, Quiet output.
3
Q
ping
- r, Bypass the normal routing tables and send direct to host.
- R, Ping only, record route.
- U, Print full user to user latency.
- v, Verbose
- V, Version
A
- c count, Stop after sending count ECHO_REQUEST packets.
- F flow label, IPv6 only, Allocate and set 20bit flow label on echo requests.
- i interval, Wait interval seconds between sending each packet.
- I interface, interface is either an address or an interface name. Sets the Source address or name depending on interface.
- l preload, Ping sends that many packets not waiting for reply.
- m mark, mark tags packets going out.
4
Q
ping
- M pmtudisc_opt, Select a Path MTU Discorvery strategy. It can be: do, want, or dont.
- N nodeinfo_option, Sends ICMPv6 Node Information Queries: help, name, ipv6, ipv6-[global, sitelocal, linklocal, all], ipv4, ipv4-all, subject-ipv6=ipv6addr, subject-ipv4=ipv4addr, subject-name=nodename, subject-fqdn=nodename.
- p pattern, You can specify 16padbytes to fill out the packet you send.
A
- Q tos, Set Quality of Service.
- s packetsize, Specifies the number of data bytes to be sent.
- S sndbuf, Set sock sndbuf.
- t ttl, Set the time to live.
- T timestamp option, Set special IP timestamp options.
- w deadline, Specify a timeout before ping exits.
- W timeout, Time to wait for a response.
