Apr
27

How to find orphaned snapshots in VMware

Here is a quick and easy script to run on the command line that will give you the location of the delta files if you can’t see them in snapshot manager find -follow -name ‘*delta*.vmdk’ -exec ls -alh {} \;

Apr
27

Vmware: Difference between Clone and Template

CLONE Clone creates an exact copy of a running Virtual Machine at the time of cloning process Cloning a Virtual Machine creates an exact duplicate copy of the Virtual Machine with the same configuration and installed software without performing any additional settings. You can create a clone of an existing installed and configured running Virtual Machine […]

Apr
27

Cisco Nexus (NX-OS) redistribute static into EIGRP

If you are working with the Nexus NX-OS and you want to redistribute static routes into EIGRP you MUST use route-maps. See below on how to use these in Nexus. In IOS you have a lot of lazy ways to redistribute static routes into EIGRP which can cause issues on your network. However, in Cisco […]

Apr
27

Junos Chassis Alarms

Quote from Junipers facebook: JUNOS TIP: Suppose you saw that your Alarm LED is red. Issue either the show system alarm command or the show chassis alarm command. One reason for chassis alarm is that the management port is not connected. To clear this alarm, if you are not actually using the management port, merely […]

Apr
27

Trunking between 3com and HP switches

If you think that when HP purchased 3com they would have either made everything a single code release (can we say, Juniper) or at least provide interoperability documentation that is easier to find and easier to read? You’re dead wrong and you may end up like me and make an assumption that keeps you here […]

Apr
27

IP-HELPER DHCP RELAY 3com switch – Comware

So, you’re wondering why and how to get an “ip-helper” address on a Comware 3com system? I wish I could say “easy enough” but I would be fibbing and giving you false expectations. I will outline what you need to do below: dhcp enable dhcp relay server-group 1 10.10.10.1 interface Vlan-Interface # dhcp select relay […]

Apr
27

DHCP Multiple Scopes Vs Superscopes

Let me start by saying that Superscopes are not a standard mechanism of DHCP, just a “hack” by Microsoft to support networks that don’t understand the concept of “1 IP subnet PER vlan, not 10 IP subnets per VLAN”. The only, and I do mean ONLY, time that you use Superscopes is when you have […]

Apr
27

Windows 7 DHCP Network Hints

https://docs.microsoft.com/en-us/archive/blogs/teamdhcp/new-features-in-dhcp-for-windows-server-2008-r2-windows-7 This is supposed to “speed up” wireless client access to a network. WINDOWS DHCP FAIL! What this seems to cause is a massive headache for network and system administrators. Windows clients can forever store and cache the information from an associated SSID. Lets say a laptop hasn’t been on your network for 6 months […]