1）显示队列的状况
简单显示指定设备(这里为eth0)的队列状况
·tc qdisc ls dev eth0
qdisc cbq 1: rate 10Mbit (bounded,isolated) prio no-transmit
详细显示指定设备(这里为eth0)的队列状况
·tc -s qdisc ls dev eth0
qdisc cbq 1: rate 10Mbit (bounded,isolat??????ed) prio no-transmit
Sent 7646731 bytes 13232 pkts (dropped 0, overlimits 0)
borrowed 0 overactions 0 avgidle 31 undertime 0
这里主要显示了通过该队列发送了13232个数据包，数据流量为7646731个字节，丢弃的包数
目为0，超过速率限制的包数目为0。
2）显示分类的状况
简单显示指定设备(这里为eth0)的分类状况
·tc class ls dev eth0
class cbq 1: root rate 10Mbit (bounded,isolated) prio no-transmit
class cbq 1:1 parent 1: rate 10Mbit prio no-transmit #no-transmit表示优先级为8
class cbq 1:2 parent 1:1 rate 8Mbit prio 2
class cbq 1:3 parent 1:1 rate 1Mbit prio 1
class cbq 1:4 parent 1:1 rate 1Mbit prio 6
详细显示指定设备(这里为eth0)的分类状况
·tc -s class ls dev eth0
class cbq 1: root rate 10Mbit (bounded,isolated) prio no-transmit
Sent 17725304 bytes 32088 pkts (dropped 0, overlimits 0)
borrowed 0 overactions 0 avgidle 31 undertime 0
class cbq 1:1 parent 1: rate 10Mbit prio no-transmit
Sent 16627774 bytes 28884 pkts (dropped 0, overlimits 0)
borrowed 16163 overactions 0 avgidle 587 undertime 0
class cbq 1:2 parent 1:1 rate 8Mbit prio 2
Sent 628829 bytes 3130 pkts (dropped 0, overlimits 0)
borrowed 0 overactions 0 avgidle 4137 undertime 0
class cbq 1:3 parent 1:1 rate 1Mbit prio 1
Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
borrowed 0 overactions 0 avgidle 159654 undertime 0
class cbq 1:4 parent 1:1 rate 1Mbit prio 6
Sent 5552879 bytes 8076 pkts (dropped 0, overlimits 0)
borrowed 3797 overactions 0 avgidle 159557 undertime 0
这里主要显示了通过不同分类发送的数据包，数据流量，丢弃的包数目，超过速率限制的包数
目等等。其中根分类(class cbq 1:0)的状况应与队列的状况类似。
例如，分类class cbq 1:4发送了8076个数据包，数据流量为5552879个字节，丢弃的包数目
为0，超过速率限制的包数目为0。
显示过滤器的状况
·tc -s filter ls dev eth0
filter parent 1: protocol ip pref 100 route
filter parent 1: protocol ip pref 100 route fh 0xffff0002 flowid 1:2 to 2
filter parent 1: protocol ip pref 100 route fh 0xffff0003 flowid 1:3 to 3
filter parent 1: protocol ip pref 100 route fh 0xffff0004 flowid 1:4 to 4
这里flowid 1:2代表分类class cbq 1:2，to 2代表通过路由2发送。
显示现有路由的状况
·ip route
192.168.1.66 dev eth0 scope link
192.168.1.24 via 192.168.1.66 dev eth0 realm 2
2??????02.102.24.216 dev ppp0 proto kernel scope link src 202.102.76.5
192.168.1.30 via 192.168.1.66 dev eth0 realm 3
192.168.1.0/24 via 192.168.1.66 dev eth0 realm 4
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.66
172.16.1.0/24 via 192.168.1.66 dev eth0 scope link
127.0.0.0/8 dev lo scope link
default via 202.102.24.216 dev ppp0
default via 192.168.1.254 dev eth0
如上所示，结尾包含有realm的显示行是起作用的路由过滤器。
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