SUP Card related

Unanswered Question
Dec 23rd, 2009

Ello All,

Want to know technically about 2 scenerio on L3 Switches/ Routers.

1) What will happen if we run(Power ON) a fresh Cisco router/L3 switches after removing both SUPERVISOR (SUP cards).

2) a)  What will happen if we removed both the SUP cards from a cisco device(router/L3 switches) which is in production.(i.e remove SUP cards during Power ON condition).

 

b) What will happen if we removed single SUP cards from a cisco device(router/L3 switches) which is in production.(i.e remove SUP card during Power ON condition).

++

I have this problem too.
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Jon Marshall Wed, 12/23/2009 - 08:05

cisco.net wrote:

Ello All,

Want to know technically about 2 scenerio on L3 Switches/ Routers.

1) What will happen if we run(Power ON) a fresh Cisco router/L3 switches after removing both SUPERVISOR (SUP cards).

2) a)  What will happen if we removed both the SUP cards from a cisco device(router/L3 switches) which is in production.(i.e remove SUP cards during Power ON condition).

b) What will happen if we removed single SUP cards from a cisco device(router/L3 switches) which is in production.(i.e remove SUP card during Power ON condition).

++

1) It will not boot up because the supervisor is the brains of the switch

2) it would crash - not recommended

3) depends - if active supervisor it will failover to standby sup. If standby sup nothing. If the only sup see 2)

Jon

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