Tsunami
®
800 & 8000 Series - Software Management Guide 50
Maximum MTU
(Maximum
Transmission Unit)
Given below are the devices and their corresponding MTU configurable range:
Maximum Frame Size = Configured MTU + Ethernet Header (14 bytes) + VLAN Header
(4 bytes) + Frame Check Sequence (4 bytes)
Maximum Payload = Configured MTU – Feature Header
» ¼ ½ ½ ¾ ¿ À Á Â Ã Ä Å Ã Æ Ç È À ½ É Ê Á Ë À Â ¾ Ì Í Î Å ½ Ï Ð Ï Ñ
Ò ¼ ½ ½ ¾ ¿ À Á Â Ã Ä Å Ã Æ Ç È À ½ É Ê Á Ë À Â ¾ Ì Í Î Å ½ Ó Ô Ñ Õ
For optimal performance, MTU should be configured same on both the ends.
Parameter Description
Devices MTU Configurable Range
MP-8150-CPE; MP-8160-CPE-A100
MP-820-BSU-100; MP-820-SUA-50
+
MP-825-CPE-50; MP-825-SUR-50
+
QB-8150-LNK-12/50; QB-825-EPR/LNK-50
QB-825-EPR/LNK-50
+
1500 to 2048 bytes
MP-8100-BSU; MP-8100-SUA
MP-8150-SUR; MP-8150-SUR-100
MP-8160-BSU; MP-8160-SUA; MP-8160-BS9
QB-8100-EPA/LNK; QB-8150-EPR/LNK
QB-8150-LNK-100; QB-8151-EPR/LNK
MP-8200-BSU/SUA;
MP-8250-BS9/BS1; MP-8250-SUR
QB-8200-EPA/LNK; QB-8250-EPR/LNK
1500 to 1514 bytes
Feature Feature Header
(in bytes)
Maximum Payload (in Bytes)
#
MP-8100-BSU
MP-8100-SUA
MP-8150-SUR
MP-8150-SUR-100
MP-8160-BSU
MP-8160-BS9
MP-8160-SUA
QB-8100-EPA/LNK
QB-8150-EPR/LNK
QB-8150-LNK-100
QB-8151-EPR/LNK
MP-8200-BSU/SUA
MP-8250-BS9/BS1
MP-8250-SUR
QB-8200-EPA/LNK
QB-8250-EPR/LNK
*
MP-8150-CPE
MP-8160-CPE-A100
MP-825-CPE-50
MP-825-SUR-50
+
MP-820-BSU-100
MP-820-SUA-50
+
QB-8150-LNK-12
QB-8150-LNK-50
QB-825-EPR/LNK-50
QB-825-EPR/LNK-50
+
General or Single
VLAN
0 1514 2048
QinQ 4 1510 2044
PPPoE 8 1506 2040
IP Tunneling (IP in
IP Encapsulation)
20 1494 2028
IP Tunneling (GRE
Encapsulation)
24 1490 2024
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