想请教一下端口速率与带宽之间有什么关系啊?默认情况下,速率100M,BW就是100M;速率1000M,BW就是1000M。那在默认情况下,端口的速率与带宽都是一致的吗?它们只间有什么关系吗?
以WS-C4506-E交换机为例,
1000M端口:
速率为1000M,带宽BW为1000M
interface GigabitEthernet2/1
no switchport
ip address 192.12.66.42 255.255.255.252
GigabitEthernet2/1 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet Port, address is c08c.60f0.287f (bia c08c.60f0.287f)
Internet address is 192.12.66.42/30
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, link type is auto, media type is 10/100/1000-TX
100M端口:
速率为100M,带宽BW为100M
interface FastEthernet3/1
no switchport
ip address 172.29.195.173 255.255.255.252
duplex full
FastEthernet3/1 is up, line protocol is up (connected)
Hardware is Fast Ethernet Port, address is c08c.60f0.287f (bia c08c.60f0.287f)
Internet address is 172.29.195.173/30
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, link type is auto, media type is 100BaseLX