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catalyst 4500 upgrade ios to 12.2.31sg

chialun
Level 1
Level 1

dear sir,

We need vrrp functionality for catalyst 4500 switch. We fount the subject mentioned ios version only can support vrrp but we after perform all the configuration , the ios hang at rommon after reload. Please advise any idea ? thanks.

1 Reply 1

alber1125
Level 1
Level 1

1. dir bootflash:

2. show bootvar

set boot system flash,or change configuration register

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