Answer Posted / shahin

BGP attributes is a metric used to describe the
characteristics of a BGP paths. Attributes are conatained in
update messages passed between BGP peers for advertise routers.

BGP attributes are broadly divided into two types -

a) Well Known
b) Optional.


Well Known attributes are divided into two types -

a) Mandatory
b) Descretionary

** Mandatory attributes are divided into three types -

a) AS Path
b) Next Hop
c) Origin

** Origin attributes divided into three types -

a) Internal(i)
b) External(e)
c) Incomplete(?)

** Descretionary attributes are divided into two types -

a) Local Preference
b) Atomic Aggregate



Optional attributes are divided into two types -

a) Transitive
b) Non Transitive


** Transitive attributes are divided into two types -

a) Aggregator
b) Community


** Community attributes are divided into for types -

a) No-export
b) No advertise
c) Internet
d) Local AS.

&& Non transitive attributes are divided into three types -

a) MED (Multi Exit Discriminator).
b) Originator
d) Cluster ID.




I'll explain all attributes on next post..!!!

What is cisco?

1307

---

Which dynamic type draw back is, if single link down, it removes its routing table?

1174

---

What is the igp (interior gateway protocol)?

1112

---

Hi, Can any one please tell me the experience of their CCNA interview,and please tell me all the questions they asked in the interview. Many Thanks...

2162

---

Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router?

1395

---

What is GRE in PPTP?

2107

---

What does the show protocol display?

1477

---

What is ping? What is the usage of ping?

1209

---

Name the protocol which can do load balancing on unequal cost also?

1112

---

Explain how many ways to access router?

1236

---

What are the possible ways of data transmission in ccna?

1128

---

Explain the difference between simple authentication and md5?

1251

---

Explain the difference between tracert and traceroute?

1126

---

what are the different asymmetric algorithms?

2002

---

In which protocol you manually enable route summarization?

1264

---