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全部话题 - 话题: cspf
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x*********n
发帖数: 28013
1
来自主题: EmergingNetworking版 - cspf+IGP可以独立工作吗?
在论坛和人争辩。
有点不太理解。
他说CSPF还要配合RSVP+IGP才能完成MPLS-TE
我觉得CSPF本来就建立LSP了,+IGP就直接可以MPLS-TE了。
不是太理解,大牛们,给解释一下好吗?
s*****g
发帖数: 1055
2
来自主题: EmergingNetworking版 - cspf+IGP可以独立工作吗?
You need to get basic concepts right first: 1)IGP LSAs carry bandwidth
information of interfaces, 2)CSPF calculates constrained path to destination
,3)RSVP signals the LSP along the path calculated in 2nd step.
You don't need to be a big-cow to get the basic concepts right, say by
spending one hour googling.
x*********n
发帖数: 28013
3
来自主题: EmergingNetworking版 - cspf+IGP可以独立工作吗?
哦。。明白了。。。
我还以为IGP先跑好,然后CSPF算好,直接signal好,然后transport label就可以哗哗
哗的跑了。
还要RSVP,好麻烦啊。

destination
x*********n
发帖数: 28013
4
来自主题: EmergingNetworking版 - cspf+IGP可以独立工作吗?
CSPF和RSVP都用一个ERO的,都可以set up LSP。
LSP都建好了,为什么还要RSVP呢?直接transport layer就通了啊?

destination
a*x
发帖数: 131
5
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FYI... 阅读全帖
n*****a
发帖数: 1327
6
来自主题: Outdoors版 - Take Action to save CA state parks
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funding for our state park system – which will close more than 80% of the
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TODAY and tell the Governor and your state legislators
c*****i
发帖数: 631
7
纯ip挺难的吧。你这个问题是SDN的经典应用之一,可惜现在各家的SDN都还在beta阶段
。如果是mpls te和isis倒是可以在cspf上看看。
c*****i
发帖数: 631
8
纯ip挺难的吧。你这个问题是SDN的经典应用之一,可惜现在各家的SDN都还在beta阶段
。如果是mpls te和isis倒是可以在cspf上看看。
x*********n
发帖数: 28013
9
来自主题: EmergingNetworking版 - cspf+IGP可以独立工作吗?
got it!
damn one juniper slide mislead me!
x*********n
发帖数: 28013
10
来自主题: EmergingNetworking版 - entry level面经
这是2家大公司,都签了保密协议,所以我就不能讲原题和名字了,也不要问了,我把
知识点放在一起。以供大家复习。
STP
bridge ID,STP使用细节。HSRP使用中,STP disable了一个口,什么影响?
OSPF
backbone 的设计考虑,2个non-backbone,traffic怎么走(必须经过area0),各个状
态看到什么包,如果不成功,会是什么原因?path selection怎么选,stub看到什么
LSA,NSSA看到什么,为什么?给图形,有broadcast,有unicast,里面的ospf
database是如何的?
BGP
MED怎么改traffic,next-hop的使用(不仅仅是iBGP变不变的问题),sh bgp sum,各
个状态的细节。
VPN
IPsec2个阶段,如何troubleshooting,
L3MPLS-VPN
AS-path可能bring的问题,如何解决(2个),有多少label,RD,RT应用,PE-CE看什
么,6PE怎么回事?如何分发mpls label。cspf 和rsvp不同点,介绍。
TCP
MSS和MTU的区别。t... 阅读全帖
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