HSRP: CONCEPT: HSRP LOAD SHARING


HSRP CASES

Redundancy

Load sharing of VLAN’s

Load sharing of hosts within single VLAN

SINGLE VLAN,

SINGLE GROUP

yes

NA

No

SINGLE VLAN

MULTIPLE GROUP

yes

NA

Yes

MULTIPLE VLAN

SINGLE GROUP

Yes

Yes

NA

MULTIPLE VLAN

MULTIPLE GROUP

yes

yes

NA

POINT TO BE NOTED, generally a pain area :

Case: can we do the load sharing with single group

Here, answer matters in regards to what kind of load sharing we are talking about

Is this the load sharing of multiple Vlan’s into groups

or

Is this the load sharing of hosts within the single Vlan

     

For first scenario: load sharing of multiple Vlan’s into groups

answer is yes. we can do

 

For second scenario: load sharing of hosts within the single Vlan

answer is no. we cannot do load sharing wih single group. Its possible using the multiple group

 

For clarity over these scenarios, just go through the labs and things will be pretty simple .. !!

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