December 2013 archive

Create Etherchannel, VLANs on Solaris and Cisco

Here is a quick guide on how to create an LACP etherchannel and add VLANs to that etherchannel.   Current System   root@csu-s:~# ifconfig -a lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1         inet 127.0.0.1 netmask ff000000  e1000g0: flags=1000842<BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 4         inet 0.0.0.0 netmask 0      …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=116

How to Increase rpool in OmiOS VMware Guest Without a Mirror

If you have ever created an OmniOS VM guest and made the root disk rpool too small, there are 2  pretty simple methods to increase the size of the disk. I found this method to be simpler and more straight forward.  The mirror method is described in an earlier post. The following will outline those …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=102

How to Increase rpool in OmiOS VMware Guest Using a Mirror

If you have ever created an OmniOS VM guest and made the root disk rpool too small, there is a pretty simple way to increase the size of the disk. The following will outline those steps.  Sections in blue are what you would type: Edit the settings in vSphere for the VM Add a new …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=28

Cisco TDR feature for Ethernet Ports

In some Cisco switches, you can test your cables for faults just like a TDR.  Here is an example.  Sections in blue are what you would type: am-02-01>test cable tdr interface g1/0/1 Link state may be affected during TDR test TDR test started on interface Gi1/0/1 A TDR test can take a few seconds to …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=65

How to Increase Linux VM ext4 File System

If you have ever created a Linux VM guest and made the ext4 root disk too small, there is a pretty simple way to increase the size of the disk. The following will outline those steps.  Sections in blue are what you would type: Edit the settings in vSphere for the VM increase the size …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=52

Show dBm loss on Cisco Optics

If you unsure how good your fiber optic cabling is, you could use the following command on a Cisco switch to determine dBm loss of a particular connection.  This command does support all the Cisco optics, but most.  Give it a try: rt-sc-cr#sh interfaces transceiver sw 1 Transceiver monitoring is disabled for all interfaces. If …

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Permanent link to this article: https://daherlabs.mywire.org/wordpress/?p=53