Questions tagged [traceroute]
89 questions
7
votes
2 answers
Traceroute vs tracert
I'm having the following issue:
Running tracert from Windows 7 returns all the hops to a given server.
Running traceroute from Fedora 30, using the same connection and the same destination, beyond the gateway IP it returns only * * *.
Could you…
mynyx
- 71
- 2
7
votes
2 answers
What does having * * * mean in the command traceroute ? and How can you cope with that situation?
this is the result of my traceroute
traceroute www.google.com
traceroute to www.google.com (216.58.211.228), 30 hops max, 60 byte packets
1 192.168.1.1 (192.168.1.1) 1.061 ms 1.709 ms 2.262 ms
2 * * *
3 10.103.5.41 (10.103.5.41) …
Karim Michel
- 75
- 2
- 6
5
votes
3 answers
How is possible that the web site is down but the traceroute is ok?
I have a web site at BlueHost ("Pro" plan) that is down often. Firefox says:
The connection has timed out
The server is taking too long to respond.
The site could be temporarily unavailable or too busy. Try again in a few moments.
If you…
Gravity
- 325
- 3
- 10
5
votes
1 answer
Some visitors cannot access my website
I am receiving some reports from different clients in Spain, US and France that they cannot access my website, https://www.ultreyatours.com. They get a ERR_NAME_NOT_RESOLVED error saying the server cannot be found.
Personally, I do not get any error…
NinilieM
- 53
- 2
4
votes
2 answers
tcptraceroute: Hop does not reply
AFAIK tcptraceroute is the best tool to check if a firewall is blocking the tcp connection to a service. (If you know a better tool, please let leave a comment)
Some hops do not reply. See * * *
remotehost:~ # tcptraceroute ftp.example.com…
guettli
- 3,113
- 14
- 59
- 110
3
votes
3 answers
Why does traceroute ended with additional hop after the destination?
If nothing block the traffic, traceroute normally ends with the destination IP as the last hop. (10.1.1.10 in this case)
Normal traceroute would be like this.
user@linux:~$ traceroute 10.1.1.10
traceroute to 10.1.1.10 (10.1.1.10), 30 hops max, 60…
Sabrina
- 190
- 1
- 2
- 10
3
votes
1 answer
How can a server trace a route to a client?
I understand how a client can trace a route to a server (using traceroute, or tracert). But is there a way for a server to trace a route to a client?
The problem is that I have a group of internet users who live in a remote area and they are…
DatsunBing
- 459
- 4
- 7
- 17
3
votes
1 answer
Traceroute time is too long
I m using RHEL 6.5 and eth0 interaface
Interface Ip is 100.x.x.x and when i traceroute to 100.x.x.x it showing one hop that too ip address of interface itself.
For eg traceroute to 100.65.111.14 from 100.66.28.75 gives
100.66.28.75 3000ms 3214ms…
bgv
- 57
- 1
- 2
- 6
3
votes
2 answers
why Ethernet MTU size is 1500?
Can somebody explain that why the Ethernet Maximum Transmission Unit was chosen to be 1500 bytes (why exactly 1500) ? It might have some historical reason.
pretty
- 63
- 1
- 3
3
votes
1 answer
Two or more hosts in traceroute answer
Hi I have strange behavior of a traceroute to one of my public IP's
In one of a line I have multiple hostnames with timing
like in the folowing example, on the 5th line
traceroute to dns.abc.com (111.222.333.444), 30 hops max, 60 byte packets
1 …
Maslak
- 33
- 3
2
votes
1 answer
How is the number of routers between source and destination known beforehand?
I was studying Computer Networking book of Kurose and Ross and under Traceroute subsection I've read following:
More specifically, suppose there are N - 1 routers between the source and the
destination. Then the source will send N special packets…
eesweng
- 23
- 3
2
votes
1 answer
why when i use tracert in powershell,it doesn't return complete reponse?
i use tracert in power shell,but it can not show all path,some parts talks Request timed out.
Tracing route to google.com [216.58.212.78]
over a maximum of 30 hops:
1 33 ms 33 ms 32 ms 172.31.4.1
2 33 ms 33 ms 32 ms …
stackprogramer
- 131
- 4
2
votes
1 answer
How to find the initial values of TTL for your current operating system?
In this answer to a question related to interpreting the values of TTL from a ping operation it is said that the TTL values vary depending on the operating system. I understood more or less the purpose of TTL, which is basically used to prevent…
user236846
2
votes
1 answer
ICMP replies - ingress or egress interface (e.g. from a traceroute)
When a traceroute is initiated and receives an ICMP reply from the nodes, which interface
should the be replying be from according to RFC 1812.
they are actually replying from ingress (where they receive the packet) or egress (where the packet…
leviu
- 23
- 1
- 5
2
votes
2 answers
Why woud ping fail but not traceroute
For a few days now I started making the interesting observation of a machine intermittently not responding to an ICMP ping, while it still responds to an ICMP based traceroute (specifically set via the -I parameter).
As far as I know both would use…
user297763