-
CCIE Security v5 Notes
VPN (Policy based) - Key Exchange Protocol GRE Tunnel - Step 1 - Step 2 GRE over IPSec - Tunnel Mode GRE / IPSec - Transport Mode - Configuration - Native IPSec Tunnel [S-VTI] - MGRE (Multipoint GRE) - A Multipoint GRE Full Configuration Snippet DMVPN (Dynamic Multipoint VPN) -...
-
Basic MPLS L3 VPN Configuration Example
Step1. Configure OSPF between the SP Routers (SP and PE Routers) SP2 interface Loopback0 ip ospf network point-to-point ! router ospf 1 network 3.3.3.0 0.0.0.255 area 0 network 192.168.23.0 0.0.0.255 area 0 network 192.168.34.0 0.0.0.255 area 0 ! SP1 interface Loopback0 ip ospf network point-to-point ! router ospf 1 network...
-
BGP with BFD on EVE-NG with CSR1000v
BGP with BFD on EVE-NG with CSR1000v BFD (Bi-Directional Forwarding Detection) is a superfast protocol to detect link failures withing milliseconds or microseconds! Routing protocols have mechanism to detect link failures as well with HELLO like mechanism but is not good enough for convergence where technologies like VOIP is involved....
-
Learning YANG
Modules YANG Base Types Typedef Type Restrictions Union Statement Common YANG types Grouping Statement Grouping Statement with Refine YANG Data Definitions Leaf Statement Container Statement Leaf-list Statement List Statements Attributes of list an leaf-lists Keys Multiple Keys Leafref Multiple Key Leafref Deref() XPATH Operator Another DEREF() Example YANG Part 2...
-
Cisco NSO Learnings
NCS Installation This lab exercise was conducted with nso-4.6.linux.x86_64.installer.bin It is advisable to use the same while following this document. Make sure Java 10 (not Open JDK) Installed java -version and ant are installed. Install NCS ```shell linenums=”2” hl_lines=”1 4-5” root@mininet-vm:/home/mininet# chmod +x nso-4.6.linux.x86_64.installer.bin root@mininet-vm:/home/mininet# ./nso-4.6.linux.x86_64.installer.bin /opt/ncs #### Setup NCS...