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Cisco WS-CE500 User Manual

Cisco WS-CE500
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Troubleshooting
Pinging to Test LAN Connectivity
Cisco SA500 Series Security Appliances Administration Guide 222
A
Testing the LAN path from your PC to a remote device
STEP 1 On your PC, click the Windows Start button, and then click Run.
STEP 2 Type ping -n 10 <IP_address> where -n 10 specifies a maximum of 10 tries and
<IP address> is the IP address of a remote device such as your service providers
DNS server. Example: ping -n 10 10.1.1.1.
STEP 3 Click OK and then observe the display (see the previous procedure).
STEP 4 If the path is not working, do the following:
Check that the PC has the IP address of your firewall is listed as the default
gateway. (If the IP configuration of your PC is assigned by DHCP, this
information is not visible in your PCs Network Control Panel.)
Verify that the network (subnet) address of your PC is different from the
network address of the remote device.
Verify that the cable or DSL modem is connected and functioning.
Call your ISP and go through the questions listed in Symptom: The security
appliance still cannot obtain an IP address from the ISP.
Ask your ISP if it rejects the Ethernet MAC addresses of all but one of your
PCs. Many broadband ISPs restrict access by allowing traffic from the MAC
address of only your broadband modem. Some ISPs additionally restrict
access to the MAC address of just a single PC connected to that modem. If
this is the case, configure your firewall to clone or spoof the MAC address
from the authorized PC. For more information, see Configuring the WAN
Connection, page 37.

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Cisco WS-CE500 Specifications

General IconGeneral
BrandCisco
ModelWS-CE500
CategoryNetwork Hardware
LanguageEnglish

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