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Load balancing

Level 1
Level 1

I was wondering. Can i somehow change my bandwidth for a location and limit the bandwidth for another?

For example; 70% of my bandwidth goes to 192.168.x.x, and 30% goes to 192.168.y.y (x and y are different locations but both on the same interface (eth0) )

Is this possible on a Cisco 800 series router? thnx!

4 Replies 4

Try this:

The solution is CBWFQ in Cisco 827. ADSL over IP


class-map match-all BAJA

match access-group 152

class-map match-all ALTA

match access-group 150

class-map match-all MEDIA

match access-group 151



policy-map reparto-BW

class ALTA

bandwidth percent 55

class MEDIA

bandwidth percent 15

class BAJA

bandwidth percent 5


interface ATM0.1 point

service-policy output reparto-BW


access-list 150 .......

access-list 151 .........

access-list 152 ........

For example: C820-Y6-M Version 12.2(11)YV1 -->


DRAM: 25Mbps

FLASH: 8Mpbs

woow going a bit fast m8.

How do i do all that? (commands)

Do i have to make those acces groups? (if yes; how?)

Here's the config of one router, maybe it will help. Thnx!!

Current configuration : 1428 bytes


version 12.2

no service pad


no logging buffered


ip subnet-zero


ip cef




interface Ethernet0

ip address

ip helper-address

no cdp enable

hold-queue 32 in

hold-queue 100 out


interface ATM0

no ip address

no atm ilmi-keepalive

pvc 2/32

encapsulation aal5mux ppp dialer

dialer pool-member 1


dsl equipment-type CPE

dsl operating-mode GSHDSL symmetric annex B

dsl linerate AUTO


interface Dialer0

ip unnumbered Ethernet0

no ip proxy-arp

encapsulation ppp

dialer pool 1

dialer-group 1

no cdp enable

ppp pap refuse

ppp ipcp address accept


ip classless

ip route Dialer0

ip http server



dialer-list 1 protocol ip permit

no cdp run

snmp-server community public RO

snmp-server community private RO

snmp-server enable traps snmp authentication linkdown link

snmp-server enable traps pppoe

snmp-server enable traps rtr

line con 0

exec-timeout 0 0


stopbits 1

line vty 0 4


scheduler max-task-time 5000


can anybody give me the easy commands (just a few examples??) Plz I need some help with this

I'm not a QoS guru but I'll build on Miguel's example as best as I can:

One thing I see is I don't see the two networks on your ethernet interface. (You may be adding a secondary IP later or something I guess).

Here are the ACLs to match on:

access-list 150 permit ip 192.168.x.x any

access-list 151 permit ip 192.168.y.y any

Here we classify the packets based on the ACLs above:

class-map match-all netxx

match access-group 150

class-map match-all netyy

match access-group 151

Here we allocate BW to each classification:

policy-map middee

class netxx

bandwidth percent 53

class netyy

bandwidth percent 22

class class-default


Note: The bandwidth (by default) can only = 75%. There is 25% reserved for link overhead. You can override this and use the bandwidth for your policy by using the max-reserved-bandwidth interface command.

Apply policy to pvc:

interface ATM0

pvc 2/32

service-policy output middee


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