packet size issue

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
Announcements
Please sign in to see details of an important advisory in our Customer Advisories area.

packet size issue

Not applicable

Hi All,

Noticed unable to ping packet size above 996 after upgrading to PAN OS 5.

few of our internet apps(cloud) is acting intermittently

Anyone encountering the same issue?

Any advice is appreciated?

Thanks.

> ping size 995 source 172.21.194.22 host google.com

PING google.com (74.125.226.14) from 172.21.194.22 : 995(1023) bytes of data.

72 bytes from lga15s42-in-f14.1e100.net (74.125.226.14): icmp_seq=1 ttl=42 (truncated)

72 bytes from lga15s42-in-f14.1e100.net (74.125.226.14): icmp_seq=2 ttl=42 (truncated)

72 bytes from lga15s42-in-f14.1e100.net (74.125.226.14): icmp_seq=3 ttl=42 (truncated)

72 bytes from lga15s42-in-f14.1e100.net (74.125.226.14): icmp_seq=4 ttl=42 (truncated)

72 bytes from lga15s42-in-f14.1e100.net (74.125.226.14): icmp_seq=5 ttl=42 (truncated)


> ping size 996 source 172.21.194.22 host google.com

PING google.com (74.125.226.1) from 172.21.194.22 : 996(1024) bytes of data.

^C

--- google.com ping statistics ---

10 packets transmitted, 0 received, 100% packet loss, time 9014ms

1 REPLY 1

L4 Transporter

Hi ateo,

maybe the mtu-size is to small (default = 1500 byte). you can change the mtu-size if you look at an interface.

mtu.PNG.png

Keep in mind that every other involved network-device could be a reason for  the mtu-size. There are different tools to find the right size if this is the problem.

Regards Klaus

  • 3409 Views
  • 1 replies
  • 0 Likes
Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

Click Accept as Solution to acknowledge that the answer to your question has been provided.

The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!

These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!

The LIVEcommunity thanks you for your participation!