Cisco 1811W Release Note page 14

Caveats
IM applications are able to communicate over nonnative protocol ports, such as HTTP, and through
Note •
their native TCP and UDP ports. Cisco CP configures block and permit actions based on the native
port for the application, and always blocks communication conducted over HTTP ports.
• Some IM applications, such as MSN Messenger 7.0, use HTTP ports by default. To permit these
applications, configure the IM application to use its native port.
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Cisco CP Express filenames are case sensitive. If the Cisco CP Express files are copied from the PC
hard disk to a flash card, File Explorer changes the names to uppercase. When this happens,
Cisco CP Express cannot be invoked from this flash card.
Workaround: Before removing the flash card from the PC, restore the filenames to lowercase.
• CSCec31789
When you update Cisco CP Express, if any of the uploaded files shows a size of zero bytes when
show flash is invoked, no operations such as copy or delete can be performed on flash memory. This
problem rarely occurs.
Workaround: Restart the router to be able to perform operations on flash memory. If files of zero
bytes are shown in a show flash display, restart the router before starting Cisco CP Express.
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If you delete a WAN connection that you created, an ip nat inside command may still remain in a
LAN interface configuration.
Workaround: To delete the ip nat inside command from the LAN interface configuration, go t o
Edit Interfaces and Connections, choose the LAN interface, click Edit, and delete the association in
the Association tab.
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When the router is configured to use PPPoE, users may not be able to download a file using FTP or
display web pages from Internet hosts that they are able to ping or access using telnet. This can
happen if Cisco CP Express is being used on a router with interfaces that Cisco CP Express does not
support, such as Token Ring or VLAN interfaces. Cisco CP Express does not deliver the command
ip tcp adjust-mss 1452 to unsupported interfaces.
Workaround: Use the CLI to add the ip tcp adjust-mss 1452 command to the VLAN or Token Ring
interface configuration. Use Telnet to access the router and enter the following command in VLAN
or Token Ring interface configuration mode:
Router# ip tcp adjust-mss 1452
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The Cisco CP Express Update from PC feature will not operate when the CCP-Vnn.zip file is placed
in a shared folder with read-only access.
Workaround: Do not place the CCP-Vnn.zip file in a folder with read-only access.
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In Edit mode, Cisco CP Express displays an exception in the Java console after the user changes the
default factory username and password when launched with JRE plug-in versions
1.6.0,1.6.0_01,1.6.0_02,1.6.0_03,1.6.0_04 and 1.6.0_05. An IO exception popup screen is
displayed as well.
Release Notes for Cisco Configuration Professional Express 1.0
14
OL-16652-01