Tag Archives: MDS

Cisco MDS and Brocade Interop Issues with Per VC Flow Control

One issue to be mindful of when configuring Cisco MDS switches with Brocade switches is that Brocades Per VC Flow Control must be disabled.  Cisco MDS 9000 switches do not support Brocades Per VC Flow Control.  The flow control will … Continue reading

Posted in CCIE, CCIE Storage, Cisco, Interop, MDS | Tagged , , | 3 Comments

Nexus 5000 / 2000 vs. Cisco MDS

I have started doing a technical deep dive into Cisco Nexus switching.  I am beginning at the 5000 / 2000’s as these are layer 2 (well soon to be layer 3) devices and support storage.  I must say that the … Continue reading

Posted in Nexus | Tagged , , | 1 Comment

Using Secondary Addresses with VRRP

VRRP on the MDS in it’s basic form looks something like this: Switch 1

In the above configuration, is the actual physical interface address and is also the VIP address.  This is common.  The other side may … Continue reading

Posted in CCIE Storage, VRRP | Tagged , , | 13 Comments

Additions to MDS Errata’s

About 7 new additions made to the Unofficial Cisco MDS SAN-OS Release 3.x CLI Command Reference Errata and likely a few more to be made over the next few days. I am giving the command reference a final thorough read … Continue reading

Posted in CCIE Storage | Tagged , , | Leave a comment

Port Indexes and Multigeneration Modules

This post is to highlight something that is already mentioned on cisco.com, but you may not be aware of.  That is the number of port indexes consumed by various MDS modules. Module Port Indexes Consumed DS-X9016 16 DS-X9032 32 DS-X9032-SSM … Continue reading

Posted in Generation-2 Modules | Tagged , , | Leave a comment