ArashDeljoo
前往频道在 Telegram
4 202
订阅者
无数据24 小时
+57 天
+5230 天
数据加载中...
相似频道
标签云
进出提及
---
---
---
---
---
---
吸引订阅者
十月 '2610月 '26
十月 '26
+22
在0个频道中
九月 '26
+104
在0个频道中
Get PRO
八月 '26
+83
在0个频道中
Get PRO
七月 '26
+76
在0个频道中
Get PRO
六月 '26
+51
在0个频道中
Get PRO
五月 '26
+47
在0个频道中
Get PRO
四月 '26
+37
在0个频道中
Get PRO
三月 '26
+52
在0个频道中
Get PRO
二月 '26
+33
在0个频道中
Get PRO
一月 '26
+38
在0个频道中
Get PRO
十二月 '25
+45
在0个频道中
Get PRO
十一月 '25
+30
在0个频道中
Get PRO
十月 '25
+54
在0个频道中
Get PRO
九月 '25
+53
在0个频道中
Get PRO
八月 '25
+64
在0个频道中
Get PRO
七月 '25
+61
在0个频道中
Get PRO
六月 '25
+63
在0个频道中
Get PRO
五月 '25
+26
在0个频道中
Get PRO
四月 '25
+70
在0个频道中
Get PRO
三月 '25
+40
在0个频道中
Get PRO
二月 '25
+128
在0个频道中
Get PRO
一月 '25
+50
在0个频道中
Get PRO
十二月 '24
+55
在0个频道中
Get PRO
十一月 '24
+85
在0个频道中
Get PRO
十月 '24
+92
在0个频道中
Get PRO
九月 '24
+56
在0个频道中
Get PRO
八月 '24
+72
在0个频道中
Get PRO
七月 '24
+95
在0个频道中
Get PRO
六月 '24
+119
在0个频道中
Get PRO
五月 '24
+113
在0个频道中
Get PRO
四月 '24
+129
在0个频道中
Get PRO
三月 '24
+133
在0个频道中
Get PRO
二月 '24
+171
在0个频道中
Get PRO
一月 '24
+114
在0个频道中
Get PRO
十二月 '23
+159
在1个频道中
Get PRO
十一月 '23
+38
在0个频道中
Get PRO
十月 '23
+39
在0个频道中
Get PRO
九月 '23
+34
在0个频道中
Get PRO
八月 '23
+118
在0个频道中
Get PRO
七月 '23
+73
在0个频道中
Get PRO
六月 '23
+110
在0个频道中
Get PRO
五月 '23
+100
在0个频道中
Get PRO
四月 '23
+91
在0个频道中
Get PRO
三月 '23
+70
在0个频道中
Get PRO
二月 '23
+39
在0个频道中
Get PRO
一月 '23
+94
在0个频道中
Get PRO
十二月 '22
+106
在0个频道中
Get PRO
十一月 '22
+94
在0个频道中
Get PRO
十月 '22
+70
在0个频道中
Get PRO
九月 '22
+93
在0个频道中
Get PRO
八月 '22
+220
在0个频道中
Get PRO
七月 '22
+323
在0个频道中
Get PRO
六月 '22
+18
在0个频道中
Get PRO
五月 '22
+10
在0个频道中
Get PRO
四月 '22
+10
在0个频道中
Get PRO
三月 '22
+10
在0个频道中
Get PRO
二月 '22
+9
在0个频道中
Get PRO
一月 '22
+14
在0个频道中
Get PRO
十二月 '21
+18
在0个频道中
Get PRO
十一月 '21
+16
在0个频道中
Get PRO
十月 '21
+7
在0个频道中
Get PRO
九月 '21
+1 714
在0个频道中
| 日期 | 订阅者增长 | 提及 | 频道 | |
| 08 十月 | +4 | |||
| 07 十月 | +3 | |||
| 06 十月 | 0 | |||
| 05 十月 | +3 | |||
| 04 十月 | +1 | |||
| 03 十月 | +4 | |||
| 02 十月 | +3 | |||
| 01 十月 | +4 |
频道帖子
🚀 CCNP SPCOR 350-501 v1.1 Mega Course | Another Lecture Completed!
📚 Lecture: OSPFv3 Security and Multiple Instances
✅ Topics Covered:
1- OSPFv3 Security Introduction
2- Why OSPFv3 Security Is Different from OSPFv2
3- Authentication Header and ESP
4- OSPFv3 IPsec and the Security Policy Index
5- OSPFv3 Authentication and Encryption Parameters
6- Configuring OSPFv3 Authentication on Cisco IOS
7- Verifying OSPFv3 Authentication on Cisco IOS
8- Configuring OSPFv3 Authentication and Encryption on IOS XR
9- Verifying OSPFv3 Security on IOS XR
10- Interface-Level and Area-Level OSPFv3 Security
11- OSPFv3 Multiple Instances Introduction
12- How the OSPFv3 Instance ID Controls Adjacency
13- OSPFv3 Multiple Instances Lab Configuration
14- Verifying OSPFv3 Multiple Instances
15- Troubleshooting OSPFv3 Security
Another important step toward completing this comprehensive, hands-on CCNP Service Provider Mega Course!
More lectures are on the way! #ccnpspcor
| 2 | 🚀 CCNP SPCOR 350-501 v1.1 Mega Course | Lecture Completed!
I'm excited to announce that I've completed recording another hands-on lecture for my upcoming CCNP SPCOR 350-501 v1.1 Mega Course!
📚 Lecture: Configuring OSPFv3 on Cisco IOS XR and IOS
In this lecture, we focus on practical OSPFv3 implementation and verification across Cisco IOS and IOS XR platforms.
✅ Topics Covered:
1- OSPFv3 Lab Introduction
2- IPv6 Addressing and Link-Local Address Preparation
3- OSPFv3 Process and Router ID Configuration
4- Enabling OSPFv3 on Cisco IOS and IOS XR Interfaces
5- OSPFv3 Neighbor Adjacency Verification
6- OSPFv3 IPv6 Routing Table Verification
7- OSPFv3 Link-State Database Verification
8- OSPFv3 Interface Cost and Metric Verification
9- Multiarea OSPFv3 Configuration and Verification
10- OSPFv3 Interarea Route and ABR Verification
Another step forward in building a comprehensive, hands-on CCNP Service Provider course! #ccnpspcor | 221 |
| 3 | 🚀 CCNP SPCOR 350-501 v1.1 Mega Course و Recording Progress Update!
I'm happy to share that I've completed another lecture for my upcoming CCNP/CCIE Service Provider SPCOR 350-501 v1.1 Mega Course!
✅ OSPFv3 Fundamentals and LSAs
In this lecture, I covered:
🔹 OSPFv3 fundamentals and differences from OSPFv2
🔹 Router IDs, link-local addresses, and neighbor adjacencies
🔹 OSPFv3 multicast addresses and packet types
🔹 OSPFv3 LSA fundamentals
🔹 Router and Network LSAs (Types 1 and 2)
🔹 Inter-Area LSAs (Types 3 and 4)
🔹 External LSAs (Types 5 and 7)
🔹 Link and Intra-Area-Prefix LSAs (Types 8 and 9)
Step by step, the OSPF chapter is moving forward, with a strong focus on both theoretical understanding and practical networking skills.
🎯 More lectures are on the way!
#ccnpspcor | 295 |
| 4 | 🚀 Another Lecture Recording Completed!
I've finished recording another lecture for my upcoming CCNP SPCOR 350-501(v1.1) Mega Course! 🎬
📚 OSPF Multi-Area Adjacencies and Virtual Links
✅ 16 Technical Topics Covered:
01 - OSPF Virtual Link Introduction
02 - Disconnected Non-Backbone Areas
03 - Partitioned Area 0
04 - Virtual Link Fundamentals
05 - Transit Area Requirements
06 - Virtual Link Router IDs
07 - Virtual Link Operation
08 - Virtual Link Configuration on Cisco IOS and IOS XR
09 - Virtual Link Verification
10 - Virtual Link Troubleshooting
11 - Why OSPF Multi-Area Adjacency Is Needed
12 - OSPF Multi-Area Adjacency Fundamentals
13 - Multi-Area Adjacency Operation
14 - Multi-Area Adjacency Configuration
15 - Multi-Area Adjacency Verification
16 - Virtual Link vs. Multi-Area Adjacency
💻 Hands-on Configuration, Verification, and Troubleshooting with Cisco IOS and IOS XR!
Another milestone completed! The CCNP SPCOR 350-501 Mega Course is getting closer to completion! #ccnpspcor | 329 |
| 5 |  Section 1 - Unified MPLS Fundamentals and Architecture is now complete.
Next: Section 2 - Unified MPLS Lab and Underlay, where we begin the hands-on implementation with IS-IS, MPLS, and LDP. #unifiedmpls | 329 |
| 6 | 🎥 New Lecture Recording Completed!
I’ve finished recording the next lecture for my upcoming Unified MPLS & Seamless MPLS Masterclass:
Unified MPLS and Seamless MPLS Architecture
In this lecture, we cover:
1- Basic Unified MPLS and Seamless MPLS Architecture
2- Multiple Routing Domains
3- Local IGP Operation
4- Local MPLS Transport
5- Inter-Domain Reachability
6- BGP as the Inter-Domain Control Plane
7- Labeled Reachability
8- Boundary Router Role
9- Hierarchical MPLS Transport
10- End-to-End MPLS Without One End-to-End IGP
This lecture explains the core architecture behind Unified MPLS and Seamless MPLS, including how multiple routing domains can remain separated while still providing end-to-end MPLS transport. #unifiedmpls | 352 |
| 7 | 🎥 New Lecture Recording Completed!
I’ve finished recording the next lecture for my upcoming Unified MPLS & Seamless MPLS Masterclass:
Scaling Challenges in Large MPLS Networks
In this lecture, we cover:
1- Growth of Large Service Provider Networks
2- Large IGP Scalability Challenges
3- Link-State Database Growth
4- Failure Propagation and Failure Domains
5- Infrastructure Route Growth
6- IGP and LDP Scaling Relationship
7- One Large Domain vs Multiple Smaller Domains
8- Operational and Geographic Scaling
9- End-to-End MPLS Reachability Requirement
10- Requirements of a Scalable MPLS Architecture
This lecture explains why traditional MPLS designs become harder to scale as service provider networks grow, and prepares the foundation for understanding Unified MPLS and Seamless MPLS architecture. #unifiedmpls | 349 |
| 8 | 🎥 New Lecture Recording Completed!
I’ve finished recording the next lecture for my upcoming Unified MPLS & Seamless MPLS Masterclass:
MPLS Labels, LSPs, and Label Operations Review
In this lecture, we cover:
1- MPLS Label Structure and Local Significance
2- Label Switched Paths and LSR Roles
3- MPLS Push, Swap, and Pop Operations
4- Penultimate Hop Popping and Implicit Null
5- Forwarding Equivalence Class (FEC)
6- Label Information Base (LIB) and LFIB
7- IGP, LDP, and MPLS Transport LSPs
8- Transport Labels and Service Labels
9- MPLS Label Stack and L3VPN Packet Forwarding
10- Labeled Reachability and BGP-LU in Unified MPLS
This lecture builds the MPLS forwarding foundation we need before moving deeper into Unified MPLS and Seamless MPLS architectures.
More lectures are on the way. 🚀#unifiedmpls | 379 |
| 9 | 🎥 New Recording Completed - CCNP SPCOR 350-501 v1.1 Mega Course
The next OSPF lecture is now recorded:
OSPF NSSA and Totally NSSA Areas
1- NSSA Concept
2- Type 7 LSA Introduction
3- Type 7-to-Type 5 Translation
4- N1 and N2 Routes
5- NSSA Configuration
6- NSSA Verification
7- NSSA Default Route
8- Totally NSSA Configuration
9- Totally NSSA Verification
In addition to quizzes, this Mega Course includes many hands-on practice activities throughout the configuration lectures, helping students reinforce the concepts through practical implementation.
Step by step, the OSPF chapter is getting closer to completion. 🚀 #ccnpspcor | 383 |
| 10 | ✅ Another lecture completed for my CCNP SPCOR 350-501 v1.1 Mega Course!
This time, I covered: OSPF Stub and Totally Stubby Areas
1-Why OSPF Stub Areas Are Used
2-Stub Area LSA Behavior
3-Automatic Default Route from the ABR
4-Stub Area Configuration on IOS and IOS XR
5-Stub Area Verification and Area-Type Matching
6-Stub Area Restrictions
7-Totally Stubby Area and no-summary Behavior
8-Totally Stubby Configuration and Verification
9-Default Route Cost
The lecture includes both the theory and practical configuration on Cisco IOS and IOS XR, with verification of the expected routing and LSA behavior.
Step by step, the OSPF chapter is getting closer to completion. 🚀 #ccnpspcor | 431 |
| 11 | 🎥 New Recording Completed – Unified MPLS & Seamless MPLS Master Class
I have finished recording the next lecture:
Traditional MPLS Network Architecture Review
In this lecture, I cover:
1- Provider Edge and Provider Routers
2- The Role of the IGP
3- The Role of LDP
4- Traditional End-to-End LSP
5- MPLS Label Forwarding
6- MP-BGP and VPN Services
7- The Traditional MPLS Label Stack
8- Why Traditional MPLS Works Well
9- What Changes in Unified MPLS
10- Traditional MPLS vs Unified MPLS
This lecture builds the foundation needed to understand why Unified MPLS is introduced and how it changes the traditional MPLS architecture.
#unifiedmpls | 428 |
| 12 | 🎥 New Recording Completed - Unified MPLS & Seamless MPLS Master Class
I have finished recording the first lecture: Unified MPLS Course Introduction
In this lecture, I cover:
1- Purpose of Unified MPLS
2- Scalability Problems in Large MPLS Networks
3- Multiple Routing and Label Distribution Domains
4- Local IGP and LDP Operation
5- BGP Labeled Unicast (BGP-LU)
6- Inter-Domain Labeled Reachability
7- PE, P, Boundary Router, and Route Reflector Roles
8- End-to-End MPLS Transport Across Multiple Domains
9- Unified MPLS vs Seamless MPLS
10- Technologies Used in Unified MPLS
The course has officially started, and we will build the architecture step by step from the fundamentals to full end-to-end operation. 🚀
#unifiedmpls | 453 |
| 13 | 🎥 New Recording Completed – CCNP SPCOR 350-501 v1.1 Mega Course
I have just finished recording the next OSPF lecture:
External Routes, Redistribution, and Routing Policy
In this lecture, I cover:
1- Internal and External OSPF Routes
2- Route Redistribution Fundamentals
3- Autonomous System Boundary Router (ASBR)
4- Type 5 AS-External LSAs
5- Type 4 ASBR Summary LSAs
6- External Type 1 (E1) Route Metrics
7- External Type 2 (E2) Route Metrics
8- Comparing OSPF E1 and E2 Routes
9- Routing Policies for Controlling Redistribution
10- Redistributing Static Routes with IOS Route Maps
11- Redistributing Static Routes with IOS XR Route Policies
12- Route Tags, Loop Prevention, Verification, and Troubleshooting
Step by step, the CCNP SPCOR 350-501 v1.1 Mega Course is getting closer to completion. 🚀 #ccnpspcor | 497 |
| 14 |  🚀 A new course has officially started!
I’ve started recording my new Unified MPLS & Seamless MPLS video course.
This will be a practical, service-provider-focused course where we build the concepts from the ground up and then move into real architectures, configurations, verification, and labs.
We’ll explore Unified MPLS, Seamless MPLS, BGP Label Unicast, inter-domain label distribution, end-to-end transport, route and label propagation, large-scale SP design, service delivery, and real troubleshooting and verification scenarios.
The main goal is to clearly understand how large MPLS networks are connected and scaled across multiple domains , and how end-to-end services are delivered without relying on one single IGP domain.
🔥 Architecture
🔥 Configuration
🔥 Verification
🔥 Real Labs
Recording has started, and many exciting lectures are on the way! 🚀 | 523 |
| 15 | 🚀 New Lecture Added to the CCNP SPCOR 350-501 v1.1 Mega Course
OSPF Metrics and Path Selection
In this lecture, we explore how OSPF calculates metrics, selects the best path, and handles equal-cost routes across Cisco IOS and IOS XR.
Topics covered:
✅ OSPF Metric and Interface Cost
✅ Automatic OSPF Cost Calculation
✅ Reference Bandwidth Configuration
✅ Explicit Interface Cost on IOS and IOS XR
✅ Directional OSPF Costs
✅ Intra-Area and Interarea Metric Calculation
✅ Interface Cost, LSA Metric, and Route Verification
✅ Changing the Local Interface Cost
✅ Changing the ABR’s Advertised Metric
✅ Intra-Area vs Interarea Route Preference
✅ OSPF Metric vs Administrative Distance
✅ Path Selection and Equal-Cost Multipath (ECMP)
This lecture is part of the ongoing CCNP SPCOR 350-501 v1.1 Mega Course and continues our detailed coverage of OSPF for the Service Provider core exam.
More lectures are coming as we continue building the course. 🚀 #ccnpspcor | 472 |
| 16 | ✅ New Lecture Completed - CCNP SPCOR 350-501 Mega Course v1.1
I’ve just finished recording the next lecture in the CCNP SPCOR 350-501 Mega Course v1.1:
Multiarea OSPF and Route Advertisement
In this lecture, we cover:
Lab Topology and Objectives
Why OSPF Uses Multiple Areas
Area 0 and Backbone Operation
ABR Operation and Separate Area Databases
Intra-Area and Interarea Routes
Advertising Networks Within an Area
Type 3 Interarea Advertisement by the ABR
Interarea Route and Cost Calculation
Advertising an Additional Loopback on IOS XR
End-to-End Advertisement and Connectivity Verification
Troubleshooting Missing Interarea Routes
This lecture explains how OSPF information moves between areas, how ABRs generate Type 3 LSAs, and how routers calculate and verify interarea reachability in a practical service provider lab.
More OSPF lectures are coming as I continue building the complete CCNP SPCOR 350-501 v1.1 Mega Course. 🚀 #ccnpspcor | 493 |
| 17 | 🚀 Another lecture is recorded for my CCNP SPCOR 350-501 (v1.1) Mega Course!
In “OSPF LSAs and the Link-State Database,” I explain how OSPF describes the network, exchanges routing information, and uses the LSDB to calculate routes.
Here’s what I covered:
1- From Neighbor Adjacency to Network Knowledge
2- Link-State Advertisement Fundamentals
3- LSAs versus OSPF Packet Types
4- Link-State Database Fundamentals
5- Understanding the LSA Header
6- Type 1 Router LSA
7- Type 2 Network LSA
8- Type 3 Summary LSA
9- ASBRs and Type 4 ASBR-Summary LSAs
10- Type 5 AS-External LSA
11- Type 7 NSSA External LSA
12- LSA Flooding, Freshness, and Aging
13- From the LSDB to the Routing Table
14- Database Verification and Troubleshooting on IOS and IOS XR
📄 A practice exercise accompanies this lecture to help students explore the LSDB and verify their understanding.
🚀 More course updates are coming soon. Stay tuned! #ccnpspcor | 478 |
| 18 | 🚀 Another lecture is recorded for my CCNP/CCIE SPCOR 350-501 Mega Course!
In “OSPF Timers, Authentication, and Neighbor Stability,” I explain how OSPF maintains and protects neighbor relationships, with practical configuration and troubleshooting on Cisco IOS and IOS XR.
Here’s what I covered:
1- Introduction and Lab Topology
2- Why OSPF Needs Hello Packets
3- Understanding the Hello Interval
4- Understanding the Dead Interval
5- OSPF Timer Matching Requirements
6- Verifying OSPF Timers
7- Configuring Timers on IOS and IOS XR
8- Troubleshooting a Timer Mismatch
9- Why OSPF Authentication Is Needed
10- OSPFv2 Authentication Methods
11- Configuring MD5 Authentication on IOS
12- Configuring MD5 Authentication on IOS XR
13- Troubleshooting an Authentication Mismatch
14- Neighbor Stability and Flapping
📄 Every configuration lecture also includes a practice exercise to help students apply what they learn.
🚀 More course updates are coming soon. Stay tuned!
#ccnpspcor | 492 |
| 19 | 🚀 Another lecture is recorded for my CCNP/CCIE SPCOR 350-501 Mega Course!
In “DR/BDR Elections and OSPF Network Types,” I explain how OSPF organizes neighbor relationships on shared networks, then demonstrate configuration and verification.
Here’s what I covered:
1- OSPF DR, BDR, and DROTHER Roles
2- Why Shared Ethernet Networks Need DR/BDR Elections
3- OSPF Neighbor vs Full Adjacency
4- OSPF 2-Way and FULL Neighbor States
5- OSPF DR/BDR Election Rules
6- OSPF Interface Priority and Router ID Tie-Breaking
7- Nonpreemptive DR/BDR Election Behavior
8- OSPF Multicast Addresses
9- OSPF Network Types
10- DR/BDR and Point-to-Point Configuration and Verification
📄 Every configuration lecture in this course also includes a practice exercise to help students apply what they learn.
🚀 More course updates are coming soon. Stay tuned!
#ccnpspcor | 492 |
| 20 | 🚀 Another lecture is recorded for my CCNP/CCIE SPCOR 350-501 Mega Course!
In “Configuring OSPFv2 on Cisco IOS XR and IOS,” I walk through a practical lab—from preparing interfaces to verifying multiarea routing and end-to-end connectivity.
Here’s what I covered:
1- OSPFv2 Lab Topology and Addressing
2- Preparing Router Interfaces and Loopbacks
3- OSPFv2 Configuration on Cisco IOS XR
4- OSPFv2 Configuration on Cisco IOS
5- Router IDs, Process IDs, and Area Assignment
6- IOS Network Statements and Wildcard Masks
7- Interface-Based OSPF Configuration
8- OSPF Neighbor Adjacency Verification
9- Multiarea OSPF and ABR Operation
10- OSPF Route Verification and End-to-End Connectivity
11- Basic OSPF Configuration Troubleshooting
📄 Every configuration lecture in this course includes a practice exercise for students to apply what they learn. I’m also sharing the practice exercise for this lecture! | 516 |
