Category: Network

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Jabber Deployment ‘Gotchas'(2): Contact Directory Search Why LDAP?

Jabber Deployment ‘Gotchas'(2): Contact Directory Search Why LDAP?

Despite Cisco supports both UDS and LDAP directory search, I'd recommend to use LDAP directory search only, due to the caveats associated with UDS sea [...]
Jabber Deployment ‘Gotchas'(1): Cisco Unified Communications Manager IM and Presence Centralised Deployment

Jabber Deployment ‘Gotchas'(1): Cisco Unified Communications Manager IM and Presence Centralised Deployment

The centralised deployment can provide IM and Presence services to multiple remote CUCM voice and video clusters. In a centralised deployment, the IM [...]
Avoid Asymmetric Routing in Load Balancing (pfSense example)

Avoid Asymmetric Routing in Load Balancing (pfSense example)

Introduction My previous blogs Use pfSense to Load Balance Web Servers (1) and Use pfSense to Load Balance Web Servers (2) introduced the deployment o [...]
Set up NGINX as Reverse Proxy with Caching

Set up NGINX as Reverse Proxy with Caching

Introduction This lab reuses the server infrastructure built in Deploy Scalable and Reliable WordPress Site on LEMP(1), but add another Nginx server [...]
Use pfSense to Load Balance Web Servers (2)

Use pfSense to Load Balance Web Servers (2)

Use pfSense to Load Balance Web Servers (1) introduces pfSense, the lab setup, VM specs and download links. This blog will demonstrate pfSense configu [...]
Use pfSense to Load Balance Web Servers (1)

Use pfSense to Load Balance Web Servers (1)

What is pfSense? pfSense is a FreeBSD-based distribution to be installed as physical or virtual machine. It can function as below: Router Firewall [...]
Multi-VRF DMVPN with NHS Cluster and IPSec IKEv1

Multi-VRF DMVPN with NHS Cluster and IPSec IKEv1

Lab Introduction This lab is related to my previous post DMVPN Phase3 IKEv1 and NHS Cluster. The previous post shows 'the crypto keyring can only be t [...]
GNS3 Lab: Connect to Physical LAN and Use Layer3 Switch

GNS3 Lab: Connect to Physical LAN and Use Layer3 Switch

Introduction This lab covers: Connecting GNS3 dynamips devices to physical LAN, so that we can Telnet/SSH devices from host PC/laptop. Installing L [...]
Cisco WAN Optimisation – WAAS Lab and Training Notes

Cisco WAN Optimisation – WAAS Lab and Training Notes

Introduction This lab covers how to set up a home WAAS lab and notes from the recent WAAS training I received. The lab uses ESXi as hypervisor, CSR10 [...]
DMVPN Phase3 IKEv1 and NHS Cluster

DMVPN Phase3 IKEv1 and NHS Cluster

Lab Introduction This lab is still about DMVPN Phase 3 point-to-multipoint OSPF. It focuses on IKEv1 instead of IKEv2 in previous post. Later part of [...]
1 2 3 10 / 23 POSTS