AIX Study之--AIX网卡配置管理（ent0en0et0）
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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：
[[email protected] /]#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
[[email protected] /]#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
[[email protected] /]#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 [[email protected] /]#3、查看网卡配置:
[[email protected] /]#lscfg -vpl en0 [[email protected] /]#lscfg -vpl et0 [[email protected] /]#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: [email protected] Device Type: network Physical Location: U0.1-P1/E2Physical Location的位置能够推断网卡是否是插在PCI接口上的
[[email protected] /]#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
[[email protected] /]#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
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
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：
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
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