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Referral news can be found at http://www.networkworld.com/community/blog/asic-issues-delaying-cisco-switch Now keep in mind, I have not read the bulletin published by Rodman & Renshaw, LLC – nor can attest this is the fundamental reasons why the switches have been delayed. As for the lifespan of the Cat 6500 to be fully replaced by the Nexus 7000, remember that Cisco’s Supervisor [...]
Cisco’s IOS Quiet Period refers to the period in which telnet/ssh/http access are disabled for an X amount of time after an Y amount of failed attempt. While it is quite unusual to have router virtual access allowed from the WAN link, it may not hurt to go further by enabling this cisco feature to [...]
HSRP stands for “Hot Standby Router Protocol” RCF 2281 defines in detail HSRP – http://tools.ietf.org/html/rfc2281 The purpose of this post isn’t to dive into the details of HSRP but simply to shed light on an HSRP feature often overlook when setting redundant routers for redundant ethernet path. HSRP Election When powering up routers running HSRP, [...]
As simple as this tip is, you will be amazed on how often it is overlooked during remote night maintenance work. I have therefore decided for that reason to post it here. So, you are sitting at home, editing an IOS configuration of X router during a maintenance window. Your only available remote login is [...]
This is probably one of the most ignored and forgotten feature of IOS since 12.2(25)S and 12.2(27)SBC. I am positing it here as I never stopped coming across routers and switches with this feature not active. Please note you need to enough memory,to use this feature; that is to say, the available space in memory [...]