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New Member

QOS with a BW or internet access shared between routers?

Hello all.

I have a router in my internet access but this share the connection with other routers.

My question about BW is that if I want to configure QOS and shaping,,, what BW I need to use?

I don't understand where can I found BW used in a interface.

Thanks for your help gurus!!!

3 ACCEPTED SOLUTIONS

Accepted Solutions
Green

QOS with a BW or internet access shared between routers?

Hi,

On any interface you will see the usage over the last 5 minutes by default

Example on my switch (Routers are the same)

show int fas 1/0/48

!

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

  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, media type is 10/100BaseTX

  input flow-control is off, output flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 4000 bits/sec, 6 packets/sec

  5 minute output rate 3000 bits/sec, 4 packets/sec

     58554591 packets input, 5635281796 bytes, 0 no buffer

     Received 40480113 broadcasts (39305055 multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

     0 watchdog, 39305062 multicast, 0 pause input

     0 input packets with dribble condition detected

HTH

Alex

Regards, Alex. Please rate useful posts.
Green

QOS with a BW or internet access shared between routers?

Hi,

This will show the input/output usage for the last 5 mins

You can tweek this down to the last 30 seconds

conf t

!

int fas 1/0/48

load-interval 30

!

show int fas 1/0/48

!

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

  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, media type is 10/100BaseTX

  input flow-control is off, output flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  30 second input rate 4000 bits/sec, 6 packets/sec

  30 second output rate 2000 bits/sec, 4 packets/sec

     58572904 packets input, 5636786364 bytes, 0 no buffer

     Received 40493710 broadcasts (39318211 multicasts)

     0 runts, 0 giants, 0 throttles ........

HTH

Alex

Regards, Alex. Please rate useful posts.
Green

QOS with a BW or internet access shared between routers?

Albert,

You are welcome

Yes you are correct with your figures

You can also look at the loading figures on the interface but

you need to use your maths

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

   MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

     reliability 255/255, txload 206/255, rxload 67/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec).......................

So TX load is 206/255 = 206 X 100/255 = 80. 78 %

     RX load is 67/255 = 67 x 100/255 =  26.27 %

Regards

Alex

Regards, Alex. Please rate useful posts.
5 REPLIES
Green

QOS with a BW or internet access shared between routers?

Hi,

On any interface you will see the usage over the last 5 minutes by default

Example on my switch (Routers are the same)

show int fas 1/0/48

!

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

  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, media type is 10/100BaseTX

  input flow-control is off, output flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 4000 bits/sec, 6 packets/sec

  5 minute output rate 3000 bits/sec, 4 packets/sec

     58554591 packets input, 5635281796 bytes, 0 no buffer

     Received 40480113 broadcasts (39305055 multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

     0 watchdog, 39305062 multicast, 0 pause input

     0 input packets with dribble condition detected

HTH

Alex

Regards, Alex. Please rate useful posts.
New Member

QOS with a BW or internet access shared between routers?

And this is the current interface BW? With this number can I calculate the average of the interface BW?

4kbps is the current BW?

Green

QOS with a BW or internet access shared between routers?

Hi,

This will show the input/output usage for the last 5 mins

You can tweek this down to the last 30 seconds

conf t

!

int fas 1/0/48

load-interval 30

!

show int fas 1/0/48

!

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

  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, media type is 10/100BaseTX

  input flow-control is off, output flow-control is unsupported

  ARP type: ARPA, ARP Timeout 04:00:00

  Last input 00:00:00, output 00:00:00, output hang never

  Last clearing of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  30 second input rate 4000 bits/sec, 6 packets/sec

  30 second output rate 2000 bits/sec, 4 packets/sec

     58572904 packets input, 5636786364 bytes, 0 no buffer

     Received 40493710 broadcasts (39318211 multicasts)

     0 runts, 0 giants, 0 throttles ........

HTH

Alex

Regards, Alex. Please rate useful posts.
New Member

QOS with a BW or internet access shared between routers?

Thank you for your answer.

And if it's a fasthernet link and the output tell there are 5Mbps, the link is 5/100=1/20=5% of the link used?

Tell me this last issue and I will understand all!!!

Thank you!

Albert.

Green

QOS with a BW or internet access shared between routers?

Albert,

You are welcome

Yes you are correct with your figures

You can also look at the loading figures on the interface but

you need to use your maths

FastEthernet1/0/48 is up, line protocol is up (connected)

  Hardware is Fast Ethernet, address is 0017.9562.6534 (bia 0017.9562.6534)

   MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

     reliability 255/255, txload 206/255, rxload 67/255

  Encapsulation ARPA, loopback not set

  Keepalive set (10 sec).......................

So TX load is 206/255 = 206 X 100/255 = 80. 78 %

     RX load is 67/255 = 67 x 100/255 =  26.27 %

Regards

Alex

Regards, Alex. Please rate useful posts.
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