I guess you'll have to invoke the JTAC :-/ Interested by their answer.
> Le 16 avr. 2021 à 19:55, Louis Ho <[email protected]> a écrit : > > I disabled hyper mode but still does not work > > > [email protected]# show forwarding-options hyper-mode > no-hyper-mode; > {master}[edit] > > [email protected]# run show forwarding-options hyper-mode > Current mode: normal mode > Configured mode: normal mode > {master}[edit] > [email protected]# > > > > >> On Apr 17, 2021, at 12:52 AM, Olivier Benghozi <[email protected] >> <mailto:[email protected]>> wrote: >> >> MPC10. SCBE3? SCBE3 => hyper-mode by default. >> As there's no hypermode firmware in MPC-16x10, only the MPC10 would really >> be in hyper mode, and therefore the firmware loaded in the MPC10 would be >> the faster hypermode one, while the firmware in the 16x10 will still be the >> standard one with all the features. >> >> I wonder if tcp-mss is expected to work in Hyper-Mode, in fact. It's not >> documented... but this would explain a difference of behaviour between both >> cards. >> >> You should try: >> show forwarding-options hyper-mode >> >> >> Of course if you're in standard mode and/or not using SCBE3, these thinkings >> are to be thrown away :) >> >> >>> Le 16 avr. 2021 à 05:53, Louis Ho via juniper-nsp >>> <[email protected] <mailto:[email protected]>> a écrit : >>> >>> >>> De: Louis Ho <[email protected] <mailto:[email protected]>> >>> Objet: TCP-MSS adjust does not work on MPC10E >>> Date: 16 avril 2021 à 05:53:13 UTC+2 >>> À: "[email protected] <mailto:[email protected]>" >>> <[email protected] <mailto:[email protected]>> >>> >>> >>> >>> >>> Does MPC10E support changing TCP-MSS on transit packets? >>> >>> >>> >>> Today I need to set TCP-MSS to 1400, >>> >>> >>> My topological map >>> >>> >>> Server A > EX4300 A > MX960 A xe-4/0/0> > EX4300 B > server B >>> >>> Serve A > EX4300 A > MX960 A et-5/0/0 > QFX-5110 > EX4300 C > server C >>> >>> >>> There are two line cards on my MX960 router, MPC 3D 16x 10GE and MPC10E 3D >>> MRATE-10xQSFPP >>> >>> I have configured tcp-mss on the two MPC interfaces, but the mss will only >>> be adjusted if the traffic passes through xe-4/0/0, >>> but the traffic through et-5/0/0 does not work, the mss still keep at 1460. >>> >>> >>> >>> >>> show interfaces xe-4/0/0 | match mss >>> tcp-mss 1400; >>> >>> tcpdump by serverB >>> https: Flags [S], seq 3239034622, win 29200, options [mss 1400,sackOK,TS >>> >>> >>> show interfaces et-5/0/0 | match mss >>> tcp-mss 1400; >>> >>> tcpdump by serverC >>> Flags [S], seq 3355130726, win 29200, options [mss 1460,sackOK,TS val >>> _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
