Cloud Native应用交付

  • 首页
  • 关于本站
  • 个人介绍
  • Downloads
  • Repo
    • Github
    • Container
  • F5
    • F5 Python SDK
    • F5-container
    • F5-LBaaS
  • 社交
    • 联系我
    • 微信/微博
    • 公众号
    • 打赏赞助
行至水穷处 坐看云起时
Cloud Native Application Services: cnadn.net
  1. 首页
  2. 协议原理
  3. 正文

BGP 属性优先级

2007年11月3日 8481点热度 0人点赞 0条评论

1.The router first must verify that it has a current route in the inet.0
routing table to the IP address in the BGP next-hop attribute field.
2. The router then compares routes for the highest local preference (the
only choice based on a higher, rather than lower, value).
3. The router evaluates the AS-path attribute next, where a shorter path is
preferred. This attribute is often a common tiebreaker for routes.
4. The router evaluates the origin code. The lowest origin code is preferred.
5. If any of the remaining routes are advertised from the same neighboring
AS, the router checks the multiple exit discriminator (MED) attributes for
a lowest value. The absence of a MED value is interpreted as a MED of 0.

6. If multiple routes remain, the router prefers any routes learned via an
EBGP peer over routes learned via an IBGP peer. If all remaining routes
were learned through EBGP, the router skips to Step 9.
7. If the remaining routes were learned through IBGP, the router uses the
path with the lowest IGP cost to the IBGP peer.
8. The router then examines the cluster-list attribute for the shortest length.
The cluster list is similar in function to an AS path.
9. The router prefers the route advertised from the peer with the lowest
router ID. However, for EBGP-received routes only, the router prefers the
current active route when comparing routes received from different
neighboring ASs.
10. The router prefers routes from the router with the lowest peer ID.

BGP邻居间状态

the following:
• Idle: This is the first stage of a connection. BGP is waiting for a start
event.
• Active: BGP is initiating a transport protocol connection in an attempt to
connect to a peer. If the connection is successful, BGP sends an open
message.
• Connect: BGP is waiting for the transport protocol connection to
complete.
• OpenSent: BGP has sent an open message and is waiting to receive an
open message from the peer.
• OpenConfirm: BGP has acknowledged receipt of an open message from
the peer and is waiting to receive a keepalive or notification message.
• Established: The BGP session is established, and the peers are
exchanging update messages.

相关文章

  • 老生常谈之BGP为什么全网状连接下就可以关闭同步?
  • F5-k8s解决方案(2)-基于Calico BGP网络的F5 k8s容器平台方案实践
  • 将k8s网络模型从canal更换为calico(IPIP模式以及BGP)
  • 注意:2019/2/1即将实施的DNS Flag Day带来的影响
  • 支持 edns client subnet dig下载
本作品采用 知识共享署名-非商业性使用 4.0 国际许可协议 进行许可
标签: BGP
最后更新:2007年11月3日

纳米

linjing.io

打赏 点赞
< 上一篇
下一篇 >

文章评论

razz evil exclaim smile redface biggrin eek confused idea lol mad twisted rolleyes wink cool arrow neutral cry mrgreen drooling persevering
取消回复

这个站点使用 Akismet 来减少垃圾评论。了解你的评论数据如何被处理。

页面AI聊天助手

纳米

linjing.io

☁️迈向Cloud Native ADC ☁️

认证获得:
TOGAF: ID 152743
Kubernetes: CKA #664
Microsoft: MCSE MCDBA
Cisco: CCNP
Juniper: JNCIS
F5:
F5 Certified Solution Expert, Security
F5 Certified Technology Specialist, LTM/GTM/APM/ASM
F5 Certified BIG-IP Administrator
  • 点击查看本博技术要素列表
  • 归档
    分类
    • AI
    • Automation
    • Avi Networks
    • Cisco ACI
    • CISCO资源
    • F5 with ELK
    • F5-Tech tips
    • F5技术
    • Juniper
    • Linux
    • NGINX
    • SDN
    • ServiceMesh
    • WEB编程
    • WINDOWS相关
    • 业界文章
    • 交换机技术
    • 化云为雨/Openstack
    • 协议原理
    • 容器/k8s
    • 我的工作
    • 我的生活
    • 网站技术
    • 路由器技术
    • 项目案例
    标签聚合
    flannel docker api DNS network bigip openstack F5 envoy irule nginx k8s istio gtm neutron
    最近评论
    汤姆 发布于 9 个月前(09月10日) 嗨,楼主,里面的json怎么下载啊,怎么收费啊?
    汤姆 发布于 9 个月前(09月09日) 大佬,kib的页面可以分享下吗?谢谢
    zhangsha 发布于 1 年前(05月12日) 资料发给我下,谢谢纳米同志!!!!lyx895@qq.com
    李成才 发布于 1 年前(01月02日) 麻烦了,谢谢大佬
    纳米 发布于 1 年前(01月02日) 你好。是的,因为以前下载系统插件在一次升级后将所有的下载生成信息全弄丢了。所以不少文件无法下载。DN...
    浏览次数
    • Downloads - 184,603 views
    • 联系我 - 118,966 views
    • 迄今为止最全最深入的BIGIP-DNS/GTM原理及培训资料 - 117,963 views
    • Github - 104,602 views
    • F5常见log日志解释 - 80,105 views
    • 从传统ADC迈向CLOUD NATIVE ADC - 下载 - 76,057 views
    • Sniffer Pro 4 70 530抓包软件 中文版+视频教程 - 74,320 views
    • 迄今为止最全最深入的BIGIP-DNS/GTM原理及培训资料 - 67,770 views
    • 关于本站 - 61,453 views
    • 这篇文档您是否感兴趣 - 55,763 views
    链接表
    • F5SE创新
    • Jimmy Song‘s Blog
    • SDNlab
    • Service Mesh社区
    • 三斗室
    • 个人profile
    • 云原生社区

    COPYRIGHT © 2023 Cloud Native 应用交付. ALL RIGHTS RESERVED.

    Theme Kratos Made By Seaton Jiang

    京ICP备14048088号-1

    京公网安备 11010502041506号