z**r 发帖数: 17771 | |
s*****g 发帖数: 1055 | 2 This functionality is very useful from logical/design point of view for any
large customer networks. With this capability large customers can configure
their edge routers (CEs) the way as if those CEs are natively peered with
each other but in reality those CEs are actually peering with their
respective SP's PEs. |
z**r 发帖数: 17771 | 3 so the customer AS will use the same AS that SP uses? or the SP will just
pretend to be the customer AS?
any
configure
【在 s*****g 的大作中提到】 : This functionality is very useful from logical/design point of view for any : large customer networks. With this capability large customers can configure : their edge routers (CEs) the way as if those CEs are natively peered with : each other but in reality those CEs are actually peering with their : respective SP's PEs.
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c*****i 发帖数: 631 | 4 customer as is same as sp. for small customers, they don't have their own AS
, so isp need to use other routing protocol like eigrp and ospf as ce-pe
protocol. with this new feature, they can use ibgp.
【在 z**r 的大作中提到】 : so the customer AS will use the same AS that SP uses? or the SP will just : pretend to be the customer AS? : : any : configure
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j*a 发帖数: 14423 | 5 small customers can private AS
AS
【在 c*****i 的大作中提到】 : customer as is same as sp. for small customers, they don't have their own AS : , so isp need to use other routing protocol like eigrp and ospf as ce-pe : protocol. with this new feature, they can use ibgp.
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z**r 发帖数: 17771 | 6 for small customers, why do they need to use BGP?
AS
【在 c*****i 的大作中提到】 : customer as is same as sp. for small customers, they don't have their own AS : , so isp need to use other routing protocol like eigrp and ospf as ce-pe : protocol. with this new feature, they can use ibgp.
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w***s 发帖数: 321 | 7 好处很多吧,不用操心allow-as之类的
【在 z**r 的大作中提到】 : pe-ce用iBGP有什么必要呢?
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w***s 发帖数: 321 | 8 应该不是他们要用,而是运营商
【在 z**r 的大作中提到】 : for small customers, why do they need to use BGP? : : AS
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c*****i 发帖数: 631 | 9 another situantion is the CE is ISP's managed device.
【在 w***s 的大作中提到】 : 应该不是他们要用,而是运营商
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s**********9 发帖数: 1238 | 10
great!
那现在的15.0的IOS都支持PE-CE IBGP么?
【在 c*****i 的大作中提到】 : another situantion is the CE is ISP's managed device.
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z**r 发帖数: 17771 | 11 有道理,俺脑袋一拍又给想起一个,现在很多大企业的网络跟一个中小型SP差不多,各
种MPLS应用都有,他们倒是可以用
【在 c*****i 的大作中提到】 : another situantion is the CE is ISP's managed device.
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