All Questions
17
questions
0
votes
0
answers
27
views
ping flood weird behavior? After a bunch of timeouts, the rate increases 30x
I have a weird behaviour that I don't really understand why it is happening. While troubleshooting why I had periodic packet loss over wifi on my macbook, I noticed a different, strange behaviour.
...
- 31
0
votes
0
answers
63
views
host resolves the name but ping and browser do not
I observe the following intermittent behavior:
$ host foo.bar.com
foo.bar.com has address 172.17.13.217
foo.bar.com has address 10.33.111.101
$ ping -c 5 foo.bar.com
ping: cannot resolve foo.bar.com: ...
- 2,060
0
votes
0
answers
597
views
macOS: Ping no response but ping6 working
I have a MacBook Pro 2015 running on macOS BigSur 11.1. The device is connected via wireless-lan to my router. The network is working with ipv4 and ipv6. The MacBook gets an ipv4 and an ipv6 address. ...
- 101
1
vote
1
answer
1k
views
What is this weird PING response I got?
I added a static route on my router to an address that is on a different subnet than the rest of my computers. It works fine, but when I ping it, I get the following response from the ping command ...
- 13.9k
2
votes
3
answers
2k
views
Are there performance differences between ping and ping6?
I've noticed ping6 command was significantly slower than ping on MacOS 10.12.
Using ping6 command:
❯ ping6 localhost
PING6(56=40+8+8 bytes) ::1 --> ::1
16 bytes from ::1, icmp_seq=0 hlim=64 ...
- 123
0
votes
1
answer
2k
views
Ping hostname works but ssh does not for local machine
This is an interesting one.
What is our hostname and ip ?
echo $hostname $(ipaddr)
TCA0080ALKVTAGB xx.xx.242.47
ping works:
$ping $(hostname)
PING TCA0080ALKVTAGB (xx.xxx.242.47): 56 data bytes
...
- 3,835
2
votes
1
answer
222
views
Mac OS LACP Connection Can't Ping Certain Hosts
I have a Mac OS Machine that I've set up a LACP connection with a cisco SG300.
bond0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=23<RXCSUM,TXCSUM,TSO4>
...
- 121
-3
votes
1
answer
1k
views
How come I can't ping a computer on the same network?
I use a MacBook Pro (Retina), and using my old MacBook Pro, I can ping my MacBook Pro (Retina) successfully. And I can also ping my MacBook Pro from my MacBook Pro (Retina) successfully (all in the ...
- 1
1
vote
0
answers
1k
views
Can't ping a host on local WiFi network with Apple's Mac as WiFi Hotspot
I've set up a local network in my home using Mac as a WiFi hotspot. I've connected a Ubuntu laptop and an Android device to this network. The set-up works fine, but when I try to ping my Android ...
- 111
0
votes
0
answers
833
views
OSX: Can NOT ping to the network interface of NAS
Suddenly, I can NOT access NAS using Finder so I tried to do ping to the network interface of NAS with straight cable which is connected to the box directly. But, I could NOT ping to the interface. ...
- 1,107
3
votes
1
answer
4k
views
Own hostname not resolved, but DNS works
Following problem on my Mac Mini:
hostname brings: macmini
ping macmini brings: cannot resolve macmini: Unknown host
Same on other computers in the network: ping with this name does not work, ping ...
- 55
2
votes
1
answer
4k
views
Why I cannot ping local IPs on my Mac? [duplicate]
I'm trying to ping local IPs on my Mac but it's not working as I would expect.
If I ping 127.0.0.1, there's no problem:
PING 127.0.0.1 (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ...
- 5,619
4
votes
0
answers
6k
views
Ping takes a very long time to start
The internet on my mac keeps slowing down and I'm struggling to diagnose the problem. Other identical machines on the same network aren't suffering from the same problem. After a reboot the internet (...
0
votes
1
answer
75
views
Can I track how far a request makes it onto the internet?
If I send a request over the internet is there a way for me to track all the servers it goes through?
I know I can in the terminal type:
ping superuser.com
and get:
PING superuser.com (198.252.206....
- 155
5
votes
2
answers
6k
views
Ping statistics without stopping ping
Is there a way to see a running-total ping statistic, without needing to stop and restart ping?
When running, I see this:
64 bytes from 8.8.8.8: icmp_seq=3758 ttl=52 time=32.387 ms
64 bytes from 8....
- 1,382