Hi Guys,
I have a couple of problems that are driving me nuts.
This is the script I am using to setup restirctions and bw limitations:
#Adding root class.
tc qdisc add dev eth0 root handle 1: htb default 10 &>/dev/null
tc class add dev eth0 parent 1: classid 1:1 htb rate 100Mbit ceil 100Mbit
burst 2k quantum 1536
tc qdisc add dev eth1 root handle 1: htb default 10 &>/dev/null
tc class add dev eth1 parent 1: classid 1:1 htb rate 100Mbit ceil 100Mbit
burst 2k quantum 1536
# Checking for network cards
#DEVICE: eth0
tc class add dev eth0 parent 1:1 classid 1:10 htb rate 100Mbit ceil 100Mbit
burst 12k prio 2 quantum 1536
tc filter add dev eth0 protocol ip parent 1:0 prio 1 handle 143 fw classid
1:0x10
tc qdisc add dev eth0 parent 1:0x10 handle 0x10: pfifo limit 5
tc class add dev eth0 parent 1:1 classid 1:20 htb rate 100Mbit ceil 100Mbit
burst 12k prio 2 quantum 1536
tc filter add dev eth0 protocol ip parent 1:0 prio 1 handle 142 fw classid
1:0x20
tc qdisc add dev eth0 parent 1:0x20 handle 0x20: pfifo limit 5
#Selecting clients and restrictions
#Found 1 restrions
tc class add dev eth0 parent 1:10 classid 1:0x25 htb rate 2Mbit ceil 2Mbit
burst 12k prio 2 quantum 1536
tc qdisc add dev eth0 parent 1:0x25 handle 0x25: pfifo limit 5
tc class add dev eth0 parent 1:20 classid 1:0x26 htb rate 256Kbit ceil
512Kbit burst 12k prio 2 quantum 1536
tc qdisc add dev eth0 parent 1:0x26 handle 0x26: pfifo limit 5
tc filter add dev eth0 protocol ip pref 10 parent 1:10 u32 match ip dst
192.168.0.2 classid 1:0x25
tc filter add dev eth0 protocol ip pref 10 parent 1:20 u32 match ip dst
192.168.0.2 classid 1:0x26
#DEVICE: eth1
tc class add dev eth1 parent 1:1 classid 1:10 htb rate 100Mbit ceil 100Mbit
burst 12k prio 2 quantum 1536
tc filter add dev eth1 protocol ip parent 1:0 prio 1 handle 1443 fw classid
1:0x10
tc qdisc add dev eth1 parent 1:0x10 handle 0x10: pfifo limit 5
tc class add dev eth1 parent 1:1 classid 1:20 htb rate 100Mbit ceil 100Mbit
burst 12k prio 2 quantum 1536
tc filter add dev eth1 protocol ip parent 1:0 prio 1 handle 1442 fw classid
1:0x20
tc qdisc add dev eth1 parent 1:0x20 handle 0x20: pfifo limit 5
#Selecting clients and restrictions
tc class add dev eth1 parent 1:10 classid 1:0x25 htb rate 2Mbit ceil 2Mbit
burst 12k prio 2 quantum 1536
tc qdisc add dev eth1 parent 1:0x25 handle 0x25: pfifo limit 5
tc class add dev eth1 parent 1:20 classid 1:0x26 htb rate 128Kbit ceil
128Kbit burst 12k prio 2 quantum 1536
tc qdisc add dev eth1 parent 1:0x26 handle 0x26: pfifo limit 5
tc filter add dev eth1 protocol ip pref 10 parent 1:10 u32 match ip src
192.168.0.2 classid 1:0x25
tc filter add dev eth1 protocol ip pref 10 parent 1:20 u32 match ip src
192.168.0.2 classid 1:0x26
1. What is the precise syntax for deleting a tc filter? tc show gives me
this output:
[root@thor htb]# tc filter show dev eth0 parent 1:20
filter protocol ip pref 10 u32
filter protocol ip pref 10 u32 fh 801: ht divisor 1
filter protocol ip pref 10 u32 fh 801::800 order 2048 key ht 801 bkt 0
flowid 1:26
match c0a80002/ffffffff at 16
filter protocol ip pref 10 u32 fh 800: ht divisor 1
filter protocol ip pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0
flowid 1:25
match c0a80002/ffffffff at 16
How do I delete flowid 1:26 for example? Everything I tried returns an error
message.
2. Am I right in assuming that filters created under class 1:10 should not
be displayed when listing filters for class 1:20? Looking at the above tc
show output, and this output:
[root@thor htb]# tc filter show dev eth0 parent 1:10
filter protocol ip pref 10 u32
filter protocol ip pref 10 u32 fh 801: ht divisor 1
filter protocol ip pref 10 u32 fh 801::800 order 2048 key ht 801 bkt 0
flowid 1:26
match c0a80002/ffffffff at 16
filter protocol ip pref 10 u32 fh 800: ht divisor 1
filter protocol ip pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0
flowid 1:25
match c0a80002/ffffffff at 16
Why am I getting flowid 1:26 and 1:25 under classid 1:10 and 1:20? Am I
doing something wrong, perhaps when creating the filters or classes? Or is
the outout correct and I am worrying for nothing?
Any help would much appreciated, as I've spent a lot of time on this and
have not found any answers anywhere.
Thank you and regards,
Michael.
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