I have a network where I need all the IP's to be private (192.168.1.0
- 255.255.255.0) but some of the IP's need to be one to one NAT'd to
outside public IP's. I am using a Cisco 1605 router with IOS 12.0(26).
What are the commands to setup the one to one NATing? I see many

I am having problems getting my desktops to the internet through a
PIX515 firewall. I can ping any internet address from the firewall, but
not through any desktop, the firewall is also my dhcp server, here is my
config.

I wasn't 100% satisfied with the last company we bought a block of network
engineering hours from last year. I think I can do better on price ($160hr?)
and performance with someone else.  I'm sure there are 1000's in Sili
Valley....  Any highly recommended?

Does anyone have a copy of this if you do will you please email it to me.

I have two systems with multi-mode fibre cables connecting them to
GBICs in a 6509 switch.  I want to test them directly connected.  Can
I just use one of the cables to directly connect them together like an
ethernet cross-over cable, or is there a difference between the types

Hello all...
I'm using a Cisco PIX 501 to connect via VPN to our main office from a
remote branch. The main office uses a non-Cisco firewall.
The main office has two networks I'm interested in, one is the office LAN

I've got a strange problem with a cisco 1720 router. I plugged an ISDN
interface on WAN slot 1 and an Ethernet 10BT interface on WAN slot 0.
When I boot the router, the ethernet interface (on the WAN slot) is not
detected ! On the back of the router, I can see the "WIC 0 OK" LED

Cisco 2600, 2 Ethernet NICS. IOS V12.0(7)T.  All i need is for a the
10 subnet  to be nat'd out of the 192.168.1.1 nic ..
the config below is pretty much all thats on the router.  if i reboot
the router a node on the 10 network 10.0.0.2 can ping a device on the

A client wants a Cat 3550 configured for VLAN tagging, I have not done one
of these before so how do I configure the switch, also there is a Cisco 2600
router also connected to the switch.Do I need to configure the router to
accomodate VLAN tagging (and any router that packets of ...

With respect to the following setup.
Core router with frame relay interface , pvc's to several
remote sites and one pvc to the internet. Behind this a
firewall and behind that a local lan. The core router has

I'm having problems config'ing etherchannel for 2 2gb ring on 4 6500's i'm
using 1 interface in the supervisor, and another in an 8 port gbic card -
should that cause a problem ?

I found that my PIX 501 could log the traffic from inside (for example,
internal client
browsing the web sites) and could not log the port scanning from outside.
I used nmap to port-scan my PIX but PIX could not log anythings about the

Geting frame relay T1 from Sprint. My rep says I can use 1721 and do
not need a CSU/DSU. Web page at
http://www.cisco.com/en/US/products/hw/routers/ps221/prod_quick_installation_gui
de09186a008007c72f.html
seems to indicate otherwise. Who is right here?

I am trying to run the Cluster Management Suit from a 2924XL-EN in both
Netscape 7 and IE6, with the JRE download from cisco.com. In both cases, I
get a NullPointerException in the browser, and a "Caching Not Supported"
IOException in the Java console. Am I doing something blatantly ...

I have a 2621 router which has integrated 2 networks, on one side I just
change the IP mask to 255.255.0.0 from 255.255.255.0 and I did the same on
router, but after that all connction between 2 networks lost. there is no
problem within each network but no connectivity any more!