Table 10: Media MTU Sizes by Interface Type for M40e Routers (continued)
Default Media
Interface Type
MTU (Bytes)
E3/T3
4474
E3/DS3 IQ
4474
Fast Ethernet
1514
Gigabit Ethernet
1514
Serial
1504
SONET/SDH
4474
Table 11: Media MTU Sizes by Interface Type for M160 Routers
Default Media
Interface Type
MTU (Bytes)
Adaptive Services
9192
(MTU size not
configurable)
ATM
4482
Chapter 3: Configuring Physical Interface Properties
Default IP Protocol
Maximum MTU (Bytes)
MTU (Bytes)
4500
4470
9192 (4-port)
9192
4470
4500
1500 (IPv4)1497 (ISO)
9192 (1- or 2-port)
1500 (IPv4)1497 (ISO)
9192 (4-port)
9192
1500 (IPv4)1497 (ISO)
4500 (1-port
4470
nonconcatenated)
9192 (4-port OC3)
9192 (4-port OC3c)
4500 (1-port OC12)
4500 (4-port OC12)
4500 (4-port OC12c)
4500 (1-port OC48)
9192 (2-port OC3)
9192 (2-port OC3c)
9192 (1-port OC12c)
9192 (1-port OC48c)
4500 (1-port OC192)
9192 (1-port OC192c)
Default IP Protocol
Maximum MTU (Bytes)
MTU (Bytes)
N/A
N/A
9192
4470
Configuring the Media MTU
111