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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
Cheers
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