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I am trying to find a matrix of technologies and in which release they were first released in.i.e storm control, udld, loop guard, bpdu filtering, etc.Any ideas?
What does a switch do with BPDUs when spanning tree is disabled?In an example with three bridges in a triange, if one has spanning tree disabled the other two do not see each other and therefore there is a loop.does the switch act similar to a hub an...
On a switch running PVST and a bridging loop occurs within one vlan will the use of configuring max-free buffers per interface limit the deplition of resources and allow other vlan traffic to continue as normal?
Architecture:..s1....s2....s3.........[x].-.[x].-.[x]........./...............\.....(x).r1..........(x).r2..\_______/..... [x] switch - ethernet etherchannel / no spanning tree(x) router - ethernet etherchannelEach connection from both routers is a 4...
Yesterday we tested the concept in the lab with 3 cisco switches in a triangle. Turned spanning tree off on one of the none root switches switch_B. The sniffer showed BPDUs from the root MAC inbound to swtich_B on gi0/1 as expected but also BPDUs sou...
We have experienced this message on a catalyst 3550 48 port SMI switch:-Process= "Pool Manager", ipl= 0, pid= 5-Traceback= 197984 198E7C 156554 1A4BE8 1B7D1830w5d: %SYS-2-MALLOCFAIL: Memory allocation of 1680 bytes failed from 0x156550, alignment 0 P...
Hi,I am now aware of the issue. It seems the switches are configured in a stack but each switch has only 1 GBIC. The GBIC are used in Half duplex mode and are connected up and down.This meens that on all switches the sh cdp ne commands shows all swit...
Hi,In fact i am auditing a cluster of switches without the ability to see the devices. When i run 'sh cdp ne' on all the clusters so far I follow the cabling by the interface the switch is seen through:SW002C Gig 0/8 175 T S...