Community discussions

MikroTik App
 
yaomacbt
newbie
Topic Author
Posts: 31
Joined: Tue Sep 10, 2019 11:53 pm

SCTP Checksum wrong in GRE tunnel

Wed May 12, 2021 11:34 pm

Hi,
We are seeing issues when the SCTP INIT_ACK message reach MIkrotik GRE tunnel the checksum is wrong. This caused our partner's deive ignore the INIT_ACK packets and the SCTP connection could not built correctly.Can anyone share some idea why it happened? And maybe the solution for get the checksum right in GRE tunnel?

BR,

Weiqi
Last edited by yaomacbt on Wed May 12, 2021 11:45 pm, edited 1 time in total.
 
User avatar
rextended
Forum Guru
Forum Guru
Posts: 11967
Joined: Tue Feb 25, 2014 12:49 pm
Location: Italy
Contact:

Re: SCTP Checksum wrong in GRE tunnel

Wed May 12, 2021 11:40 pm

on firewall / service ports the pptp and sctp helper are active?
 
yaomacbt
newbie
Topic Author
Posts: 31
Joined: Tue Sep 10, 2019 11:53 pm

Re: SCTP Checksum wrong in GRE tunnel

Wed May 12, 2021 11:44 pm

on firewall / service ports the pptp and sctp helper are active?
Hi rextended, thank you for your reply, and yes, the pptp and sctp are enabled under firewall service ports tab.
 
yanivs
just joined
Posts: 3
Joined: Tue May 26, 2020 6:46 pm

Re: SCTP Checksum wrong in GRE tunnel

Sat Jan 15, 2022 10:59 pm

Hi Weiqi,
Have you managed to solve this problem.
I have a similar one with IPSEC tunnel.

regards,
Yaniv

Who is online

Users browsing this forum: GoogleOther [Bot], johnson73, miks and 74 guests