Bgp

mayankl · 06-29-2009, 12:57 AM

i have a two internet service provider.
i want to configure BGP on my router.
one isp use for uploading traffic & second isp is use for downloading traffic..

so, please help me how to configure BGP on my router for uploading & doanloading traffic...which routing policy i have use for it.

!
router bgp 100
no synchronization
no bgp fast-external-fallover
bgp log-neighbor-changes
bgp bestpath as-path ignore
network x.x.1.0
network x.x.2.0
neighbor y.y.y.y remote-as 200
neighbor y.y.y.y description EBGP via SP1
neighbor y.y.y.y ebgp-multihop 255
neighbor y.y.y.y update-source FastEthernet0/5
neighbor y.y.y.y soft-reconfiguration inbound
neighbor y.y.y.y route-map SP1 out
neighbor z.z.z.z remote-as 300
neighbor z.z.z.z description EBGP via SP2
neighbor z.z.z.z ebgp-multihop 255
neighbor z.z.z.z update-source FastEthernet0/1
neighbor z.z.z.z soft-reconfiguration inbound
neighbor z.z.z.z route-map SP2 out
no auto-summary
!

!
access-list 10 permit x.x.1.0 0.0.0.255
access-list 20 permit x.x.2.0 0.0.0.255
access-list 30 permit any

route-map SP1 permit 10
match ip address 10
!
route-map SP1 permit 20
match ip address 30
!
route-map SP2 permit 10
match ip address 20
!
route-map SP2 permit 20
match ip address 30
!

i have a two internet service provider.
i want to configure BGP on my router.
one isp use for uploading traffic & second isp is use for downloading traffic..

so, please help me how to configure BGP on my router for uploading & downloading traffic...which routing policy i have use for it.

in my configuration sp1 is use for uploading traffic but i want use for downloading traffic.

so,what can i do ?

This is my config of BGP

!
router bgp 100
no synchronization
no bgp fast-external-fallover
bgp log-neighbor-changes
bgp bestpath as-path ignore
network x.x.1.0
network x.x.2.0
neighbor y.y.y.y remote-as 200
neighbor y.y.y.y description EBGP via SP1
neighbor y.y.y.y ebgp-multihop 255
neighbor y.y.y.y update-source FastEthernet0/5
neighbor y.y.y.y soft-reconfiguration inbound
neighbor y.y.y.y route-map SP1 out
neighbor z.z.z.z remote-as 300
neighbor z.z.z.z description EBGP via SP2
neighbor z.z.z.z ebgp-multihop 255
neighbor z.z.z.z update-source FastEthernet0/1
neighbor z.z.z.z soft-reconfiguration inbound
neighbor z.z.z.z route-map SP2 out
no auto-summary
!

!
access-list 10 permit x.x.1.0 0.0.0.255
access-list 20 permit x.x.2.0 0.0.0.255
access-list 30 permit any

route-map SP1 permit 10
match ip address 10
!
route-map SP1 permit 20
match ip address 30
!
route-map SP2 permit 10
match ip address 20
!
route-map SP2 permit 20
match ip address 30
!

mayankl · 06-30-2009, 12:52 AM

i have a two internet service provider.
i want to configure BGP on my router.
one isp use for uploading traffic & second isp is use for downloading traffic..

so, please help me how to configure BGP on my router for uploading & doanloading traffic...which routing policy i have use for it.

!
router bgp 100
no synchronization
no bgp fast-external-fallover
bgp log-neighbor-changes
bgp bestpath as-path ignore
network x.x.1.0
network x.x.2.0
neighbor y.y.y.y remote-as 200
neighbor y.y.y.y description EBGP via SP1
neighbor y.y.y.y ebgp-multihop 255
neighbor y.y.y.y update-source FastEthernet0/5
neighbor y.y.y.y soft-reconfiguration inbound
neighbor y.y.y.y route-map SP1 out
neighbor z.z.z.z remote-as 300
neighbor z.z.z.z description EBGP via SP2
neighbor z.z.z.z ebgp-multihop 255
neighbor z.z.z.z update-source FastEthernet0/1
neighbor z.z.z.z soft-reconfiguration inbound
neighbor z.z.z.z route-map SP2 out
no auto-summary
!

!
access-list 10 permit x.x.1.0 0.0.0.255
access-list 20 permit x.x.2.0 0.0.0.255
access-list 30 permit any

route-map SP1 permit 10
match ip address 10
!
route-map SP1 permit 20
match ip address 30
!
route-map SP2 permit 10
match ip address 20
!
route-map SP2 permit 20
match ip address 30
!

Prometheus_Fire · 07-04-2009, 03:02 PM

Have you tried AS prepending or configuring communities?

mayankl · 07-06-2009, 01:11 AM

thanks for reply,
We Have configured AS prepending but it does not worked.
plz required any changes tell me i can do it..

access-list 10 permit x.x.1.0 0.0.0.255
access-list 20 permit x.x.2.0 0.0.0.255
access-list 30 permit any

route-map SP1 permit 10
match ip address 10
!
route-map SP1 permit 20
match ip address 30
!
route-map SP2 permit 10
match ip address 20
set As-prepend 100 100 100 100 100
!
route-map SP2 permit 20
match ip address 30

06-29-2009, 12:57 AM	#1 (permalink)
mayankl Registered User Join Date: Jun 2009 Posts: 4 OS: xp	i have a two internet service provider. i want to configure BGP on my router. one isp use for uploading traffic & second isp is use for downloading traffic.. so, please help me how to configure BGP on my router for uploading & doanloading traffic...which routing policy i have use for it. ! router bgp 100 no synchronization no bgp fast-external-fallover bgp log-neighbor-changes bgp bestpath as-path ignore network x.x.1.0 network x.x.2.0 neighbor y.y.y.y remote-as 200 neighbor y.y.y.y description EBGP via SP1 neighbor y.y.y.y ebgp-multihop 255 neighbor y.y.y.y update-source FastEthernet0/5 neighbor y.y.y.y soft-reconfiguration inbound neighbor y.y.y.y route-map SP1 out neighbor z.z.z.z remote-as 300 neighbor z.z.z.z description EBGP via SP2 neighbor z.z.z.z ebgp-multihop 255 neighbor z.z.z.z update-source FastEthernet0/1 neighbor z.z.z.z soft-reconfiguration inbound neighbor z.z.z.z route-map SP2 out no auto-summary ! ! access-list 10 permit x.x.1.0 0.0.0.255 access-list 20 permit x.x.2.0 0.0.0.255 access-list 30 permit any route-map SP1 permit 10 match ip address 10 ! route-map SP1 permit 20 match ip address 30 ! route-map SP2 permit 10 match ip address 20 ! route-map SP2 permit 20 match ip address 30 ! i have a two internet service provider. i want to configure BGP on my router. one isp use for uploading traffic & second isp is use for downloading traffic.. so, please help me how to configure BGP on my router for uploading & downloading traffic...which routing policy i have use for it. in my configuration sp1 is use for uploading traffic but i want use for downloading traffic. so,what can i do ? This is my config of BGP ! router bgp 100 no synchronization no bgp fast-external-fallover bgp log-neighbor-changes bgp bestpath as-path ignore network x.x.1.0 network x.x.2.0 neighbor y.y.y.y remote-as 200 neighbor y.y.y.y description EBGP via SP1 neighbor y.y.y.y ebgp-multihop 255 neighbor y.y.y.y update-source FastEthernet0/5 neighbor y.y.y.y soft-reconfiguration inbound neighbor y.y.y.y route-map SP1 out neighbor z.z.z.z remote-as 300 neighbor z.z.z.z description EBGP via SP2 neighbor z.z.z.z ebgp-multihop 255 neighbor z.z.z.z update-source FastEthernet0/1 neighbor z.z.z.z soft-reconfiguration inbound neighbor z.z.z.z route-map SP2 out no auto-summary ! ! access-list 10 permit x.x.1.0 0.0.0.255 access-list 20 permit x.x.2.0 0.0.0.255 access-list 30 permit any route-map SP1 permit 10 match ip address 10 ! route-map SP1 permit 20 match ip address 30 ! route-map SP2 permit 10 match ip address 20 ! route-map SP2 permit 20 match ip address 30 ! Last edited by simpswr; 06-29-2009 at 08:53 AM.

06-30-2009, 12:52 AM	#2 (permalink)
mayankl Registered User Join Date: Jun 2009 Posts: 4 OS: xp	Re: Bgp i have a two internet service provider. i want to configure BGP on my router. one isp use for uploading traffic & second isp is use for downloading traffic.. so, please help me how to configure BGP on my router for uploading & doanloading traffic...which routing policy i have use for it. ! router bgp 100 no synchronization no bgp fast-external-fallover bgp log-neighbor-changes bgp bestpath as-path ignore network x.x.1.0 network x.x.2.0 neighbor y.y.y.y remote-as 200 neighbor y.y.y.y description EBGP via SP1 neighbor y.y.y.y ebgp-multihop 255 neighbor y.y.y.y update-source FastEthernet0/5 neighbor y.y.y.y soft-reconfiguration inbound neighbor y.y.y.y route-map SP1 out neighbor z.z.z.z remote-as 300 neighbor z.z.z.z description EBGP via SP2 neighbor z.z.z.z ebgp-multihop 255 neighbor z.z.z.z update-source FastEthernet0/1 neighbor z.z.z.z soft-reconfiguration inbound neighbor z.z.z.z route-map SP2 out no auto-summary ! ! access-list 10 permit x.x.1.0 0.0.0.255 access-list 20 permit x.x.2.0 0.0.0.255 access-list 30 permit any route-map SP1 permit 10 match ip address 10 ! route-map SP1 permit 20 match ip address 30 ! route-map SP2 permit 10 match ip address 20 ! route-map SP2 permit 20 match ip address 30 !

07-04-2009, 03:02 PM	#3 (permalink)
Prometheus_Fire Registered User Join Date: Jan 2007 Posts: 134 OS: Win2K, WinXP, Win Vista, Win2K3, Win2K8, IOS	Re: Bgp Have you tried AS prepending or configuring communities?

07-06-2009, 01:11 AM	#4 (permalink)
mayankl Registered User Join Date: Jun 2009 Posts: 4 OS: xp	Re: Bgp thanks for reply, We Have configured AS prepending but it does not worked. plz required any changes tell me i can do it.. access-list 10 permit x.x.1.0 0.0.0.255 access-list 20 permit x.x.2.0 0.0.0.255 access-list 30 permit any route-map SP1 permit 10 match ip address 10 ! route-map SP1 permit 20 match ip address 30 ! route-map SP2 permit 10 match ip address 20 set As-prepend 100 100 100 100 100 ! route-map SP2 permit 20 match ip address 30