AIX en0 et0 和ent0的区别
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root@cvssvr:/>lsattr -El ent0
bus_intr_lvl  10               Bus interrupt level                False
intr_priority 3                Interrupt priority                 False
dma_bus_mem   0xa90000         Address of bus memory used for DMA False
bus_io_addr   0x1c00           Bus I/O address                    False
dma_lvl       6                DMA arbitration level              False
tx_que_size   512              TRANSMIT queue size                True
rx_que_size   32               RECEIVE queue size                 True
use_alt_addr  no               Enable ALTERNATE ETHERNET address  True
alt_addr      0x               ALTERNATE ETHERNET address         True
media_speed   auto_negotiation Media Speed                        True
ip_gap        96               Inter-Packet Gap                   True

#####################################################################################

root@cvssvr:/>lsattr -El en0
mtu           1500          Maximum IP Packet Size for This Device     True
remmtu        576           Maximum IP Packet Size for REMOTE Networks True
netaddr       11.181.102.2  Internet Address                           True
state         up            Current Interface Status                   True
arp           on            Address Resolution Protocol (ARP)          True
netmask       255.255.255.0 Subnet Mask                                True
security      none          Security Level                             True
authority                   Authorized Users                           True
broadcast                   Broadcast Address                          True
netaddr6                    N/A                                        True
alias6                      N/A                                        True
prefixlen                   N/A                                        True
alias4                      N/A                                        True
rfc1323                     N/A                                        True
tcp_nodelay                 N/A                                        True
tcp_sendspace               N/A                                        True
tcp_recvspace               N/A                                        True
tcp_mssdflt                 N/A                                        True

######################################################################################

root@cvssvr:/>lsattr -El et0
arp           on   Address Resolution Protocol (ARP)          True
mtu           1492 Maximum IP Packet Size for This Device     True
remmtu        576  Maximum IP Packet Size for REMOTE Networks True
netaddr            Internet Address                           True
state         down Current Interface Status                   True
rfc1323            N/A                                        True
netmask            Subnet Mask                                True
security      none Security Level                             True
authority          Authorized Users                           True
broadcast          Broadcast Address                          True
netaddr6           N/A                                        True
alias6             N/A                                        True
prefixlen          N/A                                        True
alias4             N/A                                        True
tcp_nodelay        N/A                                        True
tcp_sendspace      N/A                                        True
tcp_recvspace      N/A                                        True
tcp_mssdflt        N/A                                        True

=======================================

en0    Ethernet II    protocal interface
et0    802.3             protocal interface
ent0  Hardware device interface
 

ent0  物理网卡接口

en0 和et0为OSI7层模型的数据链路层的封装格式

en0 ：Ether channel /IEEE 802.3 adlink  此为思科的端口聚合功能,多网卡聚合一块 ,最多聚合4块 ,负载容错功能