etherchannel config Flashcards
stp etherchannel options
pvst+ rpvst+ mstp
pvst allows you to use how many vlans
1 tree per vlan
MSTP requires bid to be changed, in what way
A system id extension is addid which contains the vlan ID and priority
how to set primary and secondary root switches
spanning-tree vlan 2 root primary/secondary
what does spanning-tree vlan command set switch priority do
it sets priority value - primary is 4096 or 24576 less than current root’s priority
what is secondary root switch set to
28672
how is overall priority calculated
configured value+vlan id
rst vs rpvst+
rstp creates one common tree rpvst+ creates one tree per vlan
rpvst+ sends bpdu per vlan
rpvst+ uses vlan tagging for all, including native, rst leaves native vlan untagged
how to add interface to channel group
add channel-group 3 mode on
synonyms for etherchannel
portchannel
channel-group
configure LACP way of load balancing
active passive
PAgP
auto desirable
how to test which int is selected for load balancing
test etherchannel load-balance int
