Hi,
I'm experiencing issues when initating ToS ping from MX devices. The specified
ToS argument just seems to be overrided to dec 192 when leaving the interface.
I verified this with the traffic monitor on the egress interface:
user@node> ping 8.8.8.8 tos 96
64 bytes from 8.8.8.8: icmp_seq=0 ttl=246 time=15.675 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=246 time=15.385 ms
user@node> monitor traffic interface xe-0/0/0.0 extensive matching icmp
PFE proto 2 (ipv4): (tos 0xc0, ttl 255, id 16332, offset 0, flags [none],
proto: ICMP (1), length: 84) x.x.x.x > 8.8.8.8: ICMP echo reply, id 47826, seq
0, length 64
14:06:58.721197 Out
I've tried this on 11.4R6.6 and 12.3R4-S2 (ppc and 64-bit) boxes with the same
result.
Did anyone else ran into this issue?
Any input is appriciated.
Regards,
Arash
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