Cisco Cisco IOS Software Release 12.2(35)SE
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Release Notes for the Catalyst 3750, 3560, 2970, and 2960 Switches, Cisco IOS Release 12.2(37)SE and Later
OL-12631-02
Limitations and Restrictions
Limitations and Restrictions
You should review this section before you begin working with the switch. These are known limitations
that will not be fixed, and there is not always a workaround. Some features might not work as
documented, and some features could be affected by recent changes to the switch hardware or software.
that will not be fixed, and there is not always a workaround. Some features might not work as
documented, and some features could be affected by recent changes to the switch hardware or software.
This section contains these limitations:
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Cisco IOS Limitations
Unless otherwise noted, these limitations apply to the Catalyst 3750, 3560, 2970, and 2960 switches and
the Cisco EtherSwitch service modules:
the Cisco EtherSwitch service modules:
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Configuration
These are the configuration limitations:
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A static IP address might be removed when the previously acquired DHCP IP address lease expires.
This problem occurs under these conditions:
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When the switch is booted up without a configuration (no config.text file in flash memory).
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When the switch is connected to a DHCP server that is configured to give an address to it (the
dynamic IP address is assigned to VLAN 1).
dynamic IP address is assigned to VLAN 1).
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When an IP address is configured on VLAN 1 before the dynamic address lease assigned to
VLAN 1 expires.
VLAN 1 expires.
The workaround is to reconfigure the static IP address. (CSCea71176 and CSCdz11708)