Why specify packet size during ping test?2019 Community Moderator ElectionBehavior of ping with partial packet loss on UbuntuWhy is a echo-request ping packet 84 bytes in the log of iptables?Why doesn't “ping -vrf” works when ping works?Unable to ping the IP during first bootWhy doesn't “ping -l” works when ping works?Ping command results in packet lossWhy ping an IP is different to ping a website?Why ping receives another ping command packet?Why ping hop dest doesn't work?Ping - big packet size problems
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Why specify packet size during ping test?
2019 Community Moderator ElectionBehavior of ping with partial packet loss on UbuntuWhy is a echo-request ping packet 84 bytes in the log of iptables?Why doesn't “ping -vrf” works when ping works?Unable to ping the IP during first bootWhy doesn't “ping -l” works when ping works?Ping command results in packet lossWhy ping an IP is different to ping a website?Why ping receives another ping command packet?Why ping hop dest doesn't work?Ping - big packet size problems
Does it make a difference to specify packet size during ping tests (RedHat)?
Engineers in my company asked for ping checks with packet size of 2000 bytes (-c 2000). On certain systems, this fails, but if using default settings (no "-c" option), it yielded good results. Those who specified that ping size would not say why this was requested; after a while, the ping size issue was dropped, and ping testing with default settings was used.
My questions:
- Does it make a difference to specify packet size?
- If it does make a difference or helps find network issues, what size is good to specify?
- Where may I find some official references regarding this?
rhel ping size packet
edited yesterday
K7AAY
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
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Does it make a difference to specify packet size during ping tests (RedHat)?
Engineers in my company asked for ping checks with packet size of 2000 bytes (-c 2000). On certain systems, this fails, but if using default settings (no "-c" option), it yielded good results. Those who specified that ping size would not say why this was requested; after a while, the ping size issue was dropped, and ping testing with default settings was used.
My questions:
- Does it make a difference to specify packet size?
- If it does make a difference or helps find network issues, what size is good to specify?
- Where may I find some official references regarding this?
rhel ping size packet
edited yesterday
K7AAY
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Default ping packet size is 56b+28b for headers=84b. According to man ping-coption is for ping count. Did you try-soption instead?
– Deeh
yesterday
1
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago
add a comment |
Does it make a difference to specify packet size during ping tests (RedHat)?
Engineers in my company asked for ping checks with packet size of 2000 bytes (-c 2000). On certain systems, this fails, but if using default settings (no "-c" option), it yielded good results. Those who specified that ping size would not say why this was requested; after a while, the ping size issue was dropped, and ping testing with default settings was used.
My questions:
- Does it make a difference to specify packet size?
- If it does make a difference or helps find network issues, what size is good to specify?
- Where may I find some official references regarding this?
rhel ping size packet
edited yesterday
K7AAY
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Does it make a difference to specify packet size during ping tests (RedHat)?
Engineers in my company asked for ping checks with packet size of 2000 bytes (-c 2000). On certain systems, this fails, but if using default settings (no "-c" option), it yielded good results. Those who specified that ping size would not say why this was requested; after a while, the ping size issue was dropped, and ping testing with default settings was used.
My questions:
- Does it make a difference to specify packet size?
- If it does make a difference or helps find network issues, what size is good to specify?
- Where may I find some official references regarding this?
rhel ping size packet
rhel ping size packet
edited yesterday
K7AAY
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
K7AAY
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
K7AAY
762825
edited yesterday
K7AAY
762825
edited yesterday
K7AAY
762825
762825
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
asked yesterday
Dmitry OsinovskyDmitry Osinovsky
1
1
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Dmitry Osinovsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Default ping packet size is 56b+28b for headers=84b. According to man ping-coption is for ping count. Did you try-soption instead?
– Deeh
yesterday
1
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago
add a comment |
Default ping packet size is 56b+28b for headers=84b. According to man ping-coption is for ping count. Did you try-soption instead?
– Deeh
yesterday
1
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago
Default ping packet size is 56b+28b for headers=84b. According to man ping
-c option is for ping count. Did you try -s option instead?– Deeh
yesterday
Default ping packet size is 56b+28b for headers=84b. According to man ping
-c option is for ping count. Did you try -s option instead?– Deeh
yesterday
1
1
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago
add a comment |
1 Answer
1
active
oldest
votes
Packet size is helpful to troubleshoot the network by saying this I mean that some network packets does not transit if there is MTU mismatch:
Example:
If router1 has mtu configured 1500 (default) and router2 is configured `2000' then router1 will be able to send packets to router2 but router2 will not be able to transit packet to router2
reason:
router2 will send packet size of 2000 which will be dropped as router1 can only accept 1500 of less size of packet.
edited yesterday
Philip Couling
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
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Packet size is helpful to troubleshoot the network by saying this I mean that some network packets does not transit if there is MTU mismatch:
Example:
If router1 has mtu configured 1500 (default) and router2 is configured `2000' then router1 will be able to send packets to router2 but router2 will not be able to transit packet to router2
reason:
router2 will send packet size of 2000 which will be dropped as router1 can only accept 1500 of less size of packet.
edited yesterday
Philip Couling
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Packet size is helpful to troubleshoot the network by saying this I mean that some network packets does not transit if there is MTU mismatch:
Example:
If router1 has mtu configured 1500 (default) and router2 is configured `2000' then router1 will be able to send packets to router2 but router2 will not be able to transit packet to router2
reason:
router2 will send packet size of 2000 which will be dropped as router1 can only accept 1500 of less size of packet.
edited yesterday
Philip Couling
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Packet size is helpful to troubleshoot the network by saying this I mean that some network packets does not transit if there is MTU mismatch:
Example:
If router1 has mtu configured 1500 (default) and router2 is configured `2000' then router1 will be able to send packets to router2 but router2 will not be able to transit packet to router2
reason:
router2 will send packet size of 2000 which will be dropped as router1 can only accept 1500 of less size of packet.
edited yesterday
Philip Couling
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Packet size is helpful to troubleshoot the network by saying this I mean that some network packets does not transit if there is MTU mismatch:
Example:
If router1 has mtu configured 1500 (default) and router2 is configured `2000' then router1 will be able to send packets to router2 but router2 will not be able to transit packet to router2
reason:
router2 will send packet size of 2000 which will be dropped as router1 can only accept 1500 of less size of packet.
edited yesterday
Philip Couling
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
Philip Couling
2,231922
edited yesterday
Philip Couling
2,231922
edited yesterday
Philip Couling
2,231922
2,231922
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
answered yesterday
Vivek KanadiyaVivek Kanadiya
3379
3379
New contributor
Vivek Kanadiya is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor
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Check out our Code of Conduct.
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Default ping packet size is 56b+28b for headers=84b. According to man ping
-coption is for ping count. Did you try-soption instead?– Deeh
yesterday
1
man ping, ss64.com/bash/ping.html and linux.die.net/man/8/ping are authoritative references for ping,
– K7AAY
yesterday
Are the engineers looking for confirmation on Jumbo frames support?
– Atul
15 hours ago