Nikolay Abromov blog: 06/01/2012

6/29/2012

6/18/2012

Will Miss You

It's always bad when you lose someone close.

This is my grandma. She past away Today (18/06/2012). She was one of the most amazing people in my life.

6/15/2012

detailed topic list

This are just a topics I need to start building lab scenarios for. If you read this BLOG - please ignore that bit.

Device Administration
Class of Service
Open Shortest Path First (OSPF)
Intermediate System to Intermediate System (IS-IS)
IPv6
Border Gateway Protocol (BGP)
Multicast in the provider core
Multi-Protocol Label Switching (MPLS)
Layer 3 VPNs
Layer 2 VPNs
Virtual Private LAN Switching (VPLS)
Next generation multicast VPNs (NG-MVPN)

OSPF

Describe the concepts, operation and functionality of OSPF
- Various OSPF LSA types
- Flooding of LSAs in an OSPF network
- SPF algorithm
- OSPF metrics, including external metric types
- OSPF authentication options
- OSPF area types and operations, including stub areas and NSSAs
- Summarize and restrict routes
- Purpose of virtual links
- Key differences between OSPFv2 and OSPFv3
Demonstrate knowledge of how to configure and monitor single-area and multi-area OSPF
- Implement OSPF routing policy

IS-IS

Describe the concepts, operation and functionality of IS-IS
- Various IS-IS link-state PDU (LSP) types
- IS-IS adjacency rules
- Interpret the LSDB
- IS-IS metrics, including wide metrics
- IS-IS authentication options
- Default operation in multi-area IS-IS
- IS-IS route summarization and route leaking methods
Demonstrate knowledge of how to configure and monitor single-area and multi-area IS-IS
- Implement IS-IS routing policy

BGP

Describe the concepts, operation and functionality of BGP
- BGP route selection process
- How to alter the route selection process
- Various BGP attributes and explain the operation of those attributes
- Purpose and function of BGP communities
- Utilize regular expressions for route selection
- Describe, configure and monitor BGP route damping
- Manipulate BGP attributes using routing policy
- Multiprotocol BGP
Demonstrate knowledge of how to configure and monitor BGP
- Implement BGP routing policy
Describe and configure BGP scaling mechanisms, including route reflection and confederations

Class of Service (CoS)

Describe the concepts, operation and functionality of Junos CoS
- Purpose of forwarding classes
- Function and types of packet classification
- Function and types of policers
- Function and interrelationships of the components of scheduling
- Purpose of hierarchical scheduling (H-CoS), and describe the characteristics of the four levels of H-CoS (high-level only)
- Characteristics of Differentiated Services
- Common per-hop behaviors (PHBs)
- Describe the CoS fields in various packet headers
- List the CoS processing stages on devices running Junos OS
- Function of rewriting packet headers
Demonstrate knowledge of how to configure the various CoS components, including forwarding classes, classifiers, policers, schedulers, and rewrite rules
- Describe and configure CoS-based forwarding (CBF)
Describe how to monitor CoS using various operational commands

IP Multicast

Describe the concepts, operation and functionality of IP multicast
- IP multicast traffic flow
- Components of IP multicast, including multicast addressing
- Function of RPF in multicast
Demonstrate knowledge of the components and function of common multicast routing protocols
- Function of IGMP and compare the various IGMP versions
- Compare PIM dense-mode and sparse-mode
- Various rendezvous point (RP) discovery options
- Compare Any-Source Multicast (ASM) and Source-Specific Multicast (SSM)
- Requirements, benefits, and address ranges used for SSM
- Purpose and operation of MSDP within a single PIM domain and across multiple PIM domains
- Function and benefit of using Anycast RP
- Use of routing policies to control PIM and MSDP message traffic and to scope multicast groups
Demonstrate knowledge of how to configure and monitor IGMP, PIM-DM, PIM-SM (including SSM) and MSDP
- Implement IP multicast routing policy

MPLS

Describe the concepts, operation and functionality of MPLS
- Common MPLS terms
- How a router forwards MPLS packets
- MPLS packet flow from an ingress node to an egress node
- Examine the Label Information Base
- Functionality of the two common label distribution protocols used by the Junos OS
- LSP metrics, including interaction with IGP metrics
- Default traffic protection behavior of RSVP-signaled LSPs
- Compare primary and secondary LSPs
- Function and interrelationship of LSP priority and preemption
- Compare the operation of fast reroute, link protection and node protection
- LSP optimization options
- Routing table integration options for traffic engineering
- Use of routing policies to control path selection
- Additional MPLS features, such as automatic bandwidth, TTL handling, and MPLS pings
Describe the concepts, operation and functionality of Constrained Shortest Path First (CSPF)
- IGP extensions needed to build and maintain a traffic engineering database (TED)
- How the CSPF algorithm selects the best path
- Purpose of administrative groups
Demonstrate knowledge of how to configure and monitor MPLS, LDP and RSVP
- Configure a router to perform MPLS forwarding
- Configure RSVP-signaled and LDP-signaled LSPs
- Implement MPLS routing policy
- Configure traffic protection mechanisms
- Configure the components of CSPF

Layer 3 VPNs

Describe the concepts, operation and functionality of L3 VPNs
- Roles of P, PE, and CE routers
- Format of VPN-IPv4 addresses
- Function of a route distinguisher
- Operation and flow of the control and data planes
- Various L3 VPN CoS mechanisms
- How to support communications between sites attached to a common PE router
- Benefits and requirements of using a hub-and-spoke topology
- Methods to scale L3 VPNs
- Compare L3 VPN Internet access options
Demonstrate knowledge of how to configure, monitor and troubleshoot L3 VPNs
Demonstrate knowledge of the operation and configuration of multicast VPNs
- Concepts, operation and functionality of next-generation MVPNs (NG-MVPN)
- Flow of control and data traffic in a NG-MVPN
- Configure and monitor NG-MVPNs
Describe Junos support for carrier of carrier and interprovider VPN models

Layer 2 VPNs

Describe the concepts, operation and functionality of BGP L2 VPNs
- Roles of a CE, PE, and P router in an L2 VPN
- Flow of control and data traffic for a BGP L2 VPN
- Benefits and requirements of over-provisioning
- Methods to scale BGP L2 VPNs
- Various BGP L2 VPN CoS mechanisms
Describe the concepts, operation and functionality of LDP L2 circuits
- Flow of control and data traffic for an LDP L2 circuit
Describe the concepts, operation and functionality of VPLS
- Purpose of the PE, CE, and P devices
- Signaling, learning and forwarding process of VPLS
Demonstrate knowledge of how to configure, monitor and troubleshoot L2 VPNs
- Configure, monitor and troubleshoot BGP L2 VPNs
- Configure, monitor and troubleshoot LDP L2 circuits
- Configure, monitor and troubleshoot VPLS

Automation

Demonstrate basic knowledge of using automation scripts

6/13/2012

The next step is to bring the virtual-routers and do something useful with these two gears.

root@m120_lab_01> show version
Hostname: m120_lab_01
Model: m120
JUNOS Base OS boot [11.4R3.7]
JUNOS Base OS Software Suite [11.4R3.7]
JUNOS Kernel Software Suite [11.4R3.7]
JUNOS Crypto Software Suite [11.4R3.7]
JUNOS Packet Forwarding Engine Support (M/T Common) [11.4R3.7]
JUNOS Packet Forwarding Engine Support (M120) [11.4R3.7]
JUNOS Online Documentation [11.4R3.7]
JUNOS Voice Services Container package [11.4R3.7]
JUNOS Border Gateway Function package [11.4R3.7]
JUNOS Services AACL Container package [11.4R3.7]
JUNOS Services LL-PDF Container package [11.4R3.7]
JUNOS Services PTSP Container package [11.4R3.7]
JUNOS Services Stateful Firewall [11.4R3.7]
JUNOS Services NAT [11.4R3.7]
JUNOS Services Application Level Gateways [11.4R3.7]
JUNOS Services Captive Portal and Content Delivery Container package [11.4R3.7]
JUNOS Services RPM [11.4R3.7]
JUNOS Services HTTP Content Management package [11.4R3.7]
JUNOS AppId Services [11.4R3.7]
JUNOS IDP Services [11.4R3.7]
JUNOS Services Crypto [11.4R3.7]
JUNOS Services SSL [11.4R3.7]
JUNOS Services IPSec [11.4R3.7]
JUNOS Runtime Software Suite [11.4R3.7]
JUNOS Routing Software Suite [11.4R3.7]

root@m120_lab_01> show interfaces terse
Interface Admin Link Proto Local Remote
pfh-0/0/0 up up
pfh-0/0/0.16383 up up inet
xe-0/0/0 up down
pfh-1/0/0 up up
pfh-1/0/0.16383 up up inet
xe-1/0/0 up up
xe-1/0/0.0 up up inet 1.1.1.1/24
multiservice
pfh-2/0/0 up up
pfh-2/0/0.16383 up up inet
gr-2/2/0 up up
ip-2/2/0 up up
lt-2/2/0 up up
mt-2/2/0 up up
pd-2/2/0 up up
pe-2/2/0 up up
vt-2/2/0 up up
pfh-3/0/0 up up
pfh-4/0/0 up up
pfh-5/0/0 up up
demux0 up up
dsc up up
em0 up up
em0.0 up up inet 10.0.0.4/8
128.0.0.1/2
128.0.0.4/2
inet6 fe80::200:ff:fe00:4/64
fec0::a:0:0:4/64
tnp 0x4
em1 up down
em1.0 up down inet 10.0.0.4/8
128.0.0.1/2
128.0.0.4/2
inet6 fe80::200:1ff:fe00:4/64
fec0::a:0:0:4/64
tnp 0x4
fxp0 up down
gre up up
ipip up up
lo0 up up
lo0.16384 up up inet 127.0.0.1 --> 0/0
lo0.16385 up up inet
lsi up up
mtun up up
pimd up up
pime up up
pp0 up up
tap up up

root@m120_lab_01>

6/09/2012

new book in my wish list

http://www.amazon.com/Juniper-MX-Series-Practical-Technologies/dp/1449319718/ref=reg_hu-rd_add_1_dp

Why is there such fervent demand by enterprises and network service providers worldwide for the MX Series from Juniper Networks? With this authoritative book demonstrates how this routing device provides groundbreaking performance for high-density and high-speed Layer 2 and Layer 3 Ethernet services. You’ll get in-depth coverage of new features—including Multi-chassis LAG, Router Engine DDoS Protection, Inline NAT, and IPFLOW—all enabled by the next generation Junos Trio chipset.

6/08/2012

Nikolay Abromov blog