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AIX Study之--AIX网卡配置管理(ent0、en0、et0)

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AIX Study之--AIX网卡配置管理(ent0、en0、et0)

1、查看AIX系统网卡信息:

[root@aix211 /]#lsdev |grep et 

en0        Available 1L-08         Standard Ethernet Network Interface
en1        Available 14-08         Standard Ethernet Network Interface
en2        Defined   1D-08         Standard Ethernet Network Interface
ent0       Available 1L-08         10/100 Mbps Ethernet PCI Adapter II (1410ff01)
ent1       Available 14-08         10/100 Mbps Ethernet PCI Adapter II (1410ff01)
ent2       Available 1D-08         10/100 Mbps Ethernet PCI Adapter II (1410ff01)
et0        Defined   1L-08         IEEE 802.3 Ethernet Network Interface
et1        Defined   14-08         IEEE 802.3 Ethernet Network Interface
et2        Defined   1D-08         IEEE 802.3 Ethernet Network Interface

由此能够看出:

ent1之类的是物理网卡的设备名,en0或是et0是网络接口名(逻辑上的)。enx(x是一个数字,代表第几块网卡)是标准以太网接口。et0是IEEE 802.3以太网接口。

en0是Ethernet II protocal interface

et0是802.3 protocal interface 

ent0是Hardware device interface

2、查看网卡属性:

[root@aix211 /]#lsattr -El en0
alias4                      IPv4 Alias including Subnet Mask           True
alias6                      IPv6 Alias including Prefix Length         True
arp           on            Address Resolution Protocol (ARP)          True
authority                   Authorized Users                           True
broadcast                   Broadcast Address                          True
mtu           1500          Maximum IP Packet Size for This Device     True
netaddr       192.168.8.211 Internet Address                           True
netaddr6                    IPv6 Internet Address                      True
netmask       255.255.255.0 Subnet Mask                                True
prefixlen                   Prefix Length for IPv6 Internet Address    True
remmtu        576           Maximum IP Packet Size for REMOTE Networks True
rfc1323                     Enable/Disable TCP RFC 1323 Window Scaling True
security      none          Security Level                             True
state         up            Current Interface Status                   True
tcp_mssdflt                 Set TCP Maximum Segment Size               True
tcp_nodelay                 Enable/Disable TCP_NODELAY Option          True
tcp_recvspace               Set Socket Buffer Space for Receiving      True
tcp_sendspace               Set Socket Buffer Space for Sending        True
[root@aix211 /]#lsattr -El et0
alias4             IPv4 Alias including Subnet Mask           True
alias6             IPv6 Alias including Prefix Length         True
arp           on   Address Resolution Protocol (ARP)          True
authority          Authorized Users                           True
broadcast          Broadcast Address                          True
mtu           1492 Maximum IP Packet Size for This Device     True
netaddr            Internet Address                           True
netaddr6           IPv6 Internet Address                      True
netmask            Subnet Mask                                True
prefixlen          Prefix Length for IPv6 Internet Address    True
remmtu        576  Maximum IP Packet Size for REMOTE Networks True
rfc1323            Enable/Disable TCP RFC 1323 Window Scaling True
security      none Security Level                             True
state         down Current Interface Status                   True
tcp_mssdflt        Set TCP Maximum Segment Size               True
tcp_nodelay        Enable/Disable TCP_NODELAY Option          True
tcp_recvspace      Set Socket Buffer Space for Receiving      True
tcp_sendspace      Set Socket Buffer Space for Sending        True

[root@aix211 /]#lsattr -El ent0
alt_addr        0x000000000000   Alternate Ethernet Address                    True
busintr         85               Bus interrupt level                           False
busmem          0xc8030000       Bus memory address                            False
chksum_offload  yes              Enable hardware transmit and receive checksum True
intr_priority   3                Interrupt priority                            False
ipsec_offload   no               IPsec Offload                                 True
large_send      yes              Enable TCP Large Send Offload                 True
media_speed     Auto_Negotiation Media Speed                                   True
poll_link       no               Enable Link Polling                           True
poll_link_timer 500              Time interval for Link Polling                True
rom_mem         0xc8000000       ROM memory address                            False
rx_hog          1000             RX Descriptors per RX Interrupt               True
rxbuf_pool_sz   1024             Receive Buffer Pool Size                      True
rxdesc_que_sz   512              RX Descriptor Queue Size                      True
slih_hog        10               Interrupt Events per Interrupt                True
tx_preload      1520             TX Preload Value                              True
tx_que_sz       8192             Software TX Queue Size                        True
txdesc_que_sz   512              TX Descriptor Queue Size                      True
use_alt_addr    no               Enable Alternate Ethernet Address             True
[root@aix211 /]#
3、查看网卡配置:

[root@aix211 /]#lscfg -vpl en0
[root@aix211 /]#lscfg -vpl et0
[root@aix211 /]#lscfg -vpl ent0
  ent0             U0.1-P1/E2  10/100 Mbps Ethernet PCI Adapter II (1410ff01)
    10/100 Mbps Ethernet PCI Adapter II:
        Network Address.............000255CF1406
        ROM Level.(alterable).......SCU015
        Product Specific.(Z0).......A5204205
        Hardware Location Code......U0.1-P1/E2
  PLATFORM SPECIFIC
  Name:  ethernet
    Node:  ethernet@1
    Device Type:  network
    Physical Location: U0.1-P1/E2
Physical Location的位置能够推断网卡是否是插在PCI接口上的

[root@aix211 /]#lsslot -c pci
# Slot      Description                         Device(s)
U0.1-P2-I1  PCI-X capable, 64 bit, 133MHz slot  Empty   
U0.1-P2-I2  PCI-X capable, 64 bit, 133MHz slot  Empty   
U0.1-P2-I3  PCI-X capable, 64 bit, 133MHz slot  fcs0 
U0.1-P2-I4  PCI-X capable, 64 bit, 133MHz slot  Empty   
U0.1-P2-I5  PCI-X capable, 64 bit, 133MHz slot  ent2 
U0.1-P2-I6  PCI-X capable, 64 bit, 133MHz slot  Empty

[root@aix211 /]#lscfg -vpl ent2
  ent2             U0.1-P2-I5/E1  10/100 Mbps Ethernet PCI Adapter II (1410ff01)
      10/100 Mbps Ethernet PCI Adapter II:
        Part Number.................09P5023
        FRU Number..................09P5023
        EC Level....................H10971A
        Manufacture ID..............YL1021
        Network Address.............000255AF8DAD
        ROM Level.(alterable).......SCU004
        Product Specific.(Z0).......A5204205
        Hardware Location Code......U0.1-P2-I5/E1

--- 能够看出。ent2是插在pci插槽上

物理设备和逻辑设备

1
、物理设备是指以某种方式与计算机系统相连的实际硬件。比如显示器、终端、磁带机等。



2
、逻辑设备是用户或应用程序訪问物理设备的界面。用户或应用程序通过逻辑设备来訪问物理设备。

3
、在非常多情况下,一个物理设备会相应多个逻辑设备


查看物理设备:
[root@aix211 /]#lsdev -Cc adapter
ent0    Available 1L-08    10/100 Mbps Ethernet PCI Adapter II (1410ff01)
ent1    Available 14-08    10/100 Mbps Ethernet PCI Adapter II (1410ff01)
ent2    Available 1D-08    10/100 Mbps Ethernet PCI Adapter II (1410ff01)
fcs0    Available 1n-08    FC Adapter
查看逻辑设备:
[root@aix211 /]#lsdev -Cc if
en0 Available 1L-08 Standard Ethernet Network Interface
en1 Available 14-08 Standard Ethernet Network Interface
en2 Defined   1D-08 Standard Ethernet Network Interface
et0 Defined   1L-08 IEEE 802.3 Ethernet Network Interface
et1 Defined   14-08 IEEE 802.3 Ethernet Network Interface
et2 Defined   1D-08 IEEE 802.3 Ethernet Network Interface

AIX Study之--AIX网卡配置管理(ent0、en0、et0)

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原文地址:http://www.cnblogs.com/mengfanrong/p/5248154.html

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