About wbenton-0

wbenton-0 · 01-28-2010

"CISCO" Non-compliant with RFC-3411 bug for SNMPv3 EngineID:The following are a list of SNMPv3 Engine ID's from various Cisco switches and routers running various IOS versions configured to use SNMPv3.8000000903000014a81cc3018000000903000014a81cc3408...

wbenton-0 · 06-23-2008

I was using a Cisco 2970 running IOS 12.2(44)SE but had to downgrade it to IOS 12.2(25)SEB4 for testing purposes.In doing so, the SNMP EngineID of the device changed. Only the last 2 bytes changed, but it changed none the less.Prev Engine ID running...

wbenton-0 · 05-25-2008

Device is configured with SNMPv3 AuthNoPriv.Proper User and Groups have been set up.SNMP Get requests/responses as well as Traps are all send/received properly until the Cisco device reboots.After the Cisco device reboots, Traps from the device are r...

wbenton-0 · 05-06-2008

I'm aware of the show cdp and show lldp CLI commands, but I want to pull the same information out of the devices using SNMP Gets, but cannot seem to find any information relating to that.Thanks in advance.Walt

wbenton-0 · 12-02-2007

With SNMP v1 enabled on the WLC-2006A device:SNMP v1 Mode.... EnableSNMP v2c Mode... DisableSNMP v3 Mode.... DisableAll I can see are SNMP v2 traps being sent... no SNMP v1 traps.Is this a bug or what?

wbenton-0 · 01-28-2010

Each vendor has their own firmware with their own bugs and problems and not yet implemented SNMP architecture related hazards.If your mainly interested in finding out port mappings, LLDP is a wonder protocol for finding out just that. It's a lot sim...

wbenton-0 · 01-27-2010

I reported a bug to Cisco quite a while back (approx. 4 years ago) in which the EngineID changed after down/upgrading the IOS.(See: https://supportforums.cisco.com/thread/171788 )Changing your Engine ID back to what it was should resolve your problem...

wbenton-0 · 10-04-2009

A router is usually a routing only dedicated device which performs no L2 switching... only routing between ports/interfaces and/or between configured sub-interfaces each of which are on their own separate subnet.A L3 switch is basically a router with...

wbenton-0 · 01-12-2009

Many may claim that EIGRP is advantageous over OSPF because of it's fast convergence, but when your network scales larger and larger, you start running into the limitations of EIGRP regardless of it's fast convergence.The following is a quote from a ...

wbenton-0 · 01-08-2009

To "scale a network" means to "grow a network" or "increase the size of a network".Thus scalability means the ability to be able to scale or adapt the network for future growth.On another note, limited scalability means that there are limitations pla...

Member Since	‎12-14-2005 06:14 PM
Date Last Visited	‎08-18-2017 03:53 AM
Posts	33
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Cisco IOS Non-compliant bug with SNMP v3 (RFC-3411)

SNMP EngineID Changed on version downgrade

SNMPv3 Traps are rejected by SNMP Manager after Device Reboot

LLDP info via SNMP

WLC 2006A SNMP v1 support Question/Bug

Re: SNMP Question for NX-OS on 5000 series

Re: SNMP V3 Not working

Re: routingand switching

Re: Network Scalability

Re: Network Scalability