The following configuration is for a NAT router which plugs into an Ethernet circuit. The router is set to 192.168.1.1 and running DHCP hostname CustomerA ip dhcp pool LOCAL network 192.168.1.0 255.255.255.0 default-router 192.168.1.1 dns-server 8.8.8.8 ! interface GigabitEthernet0/0 description WAN ip nat outside ip address 213.42.180.166 255.255.255.254 duplex auto speed auto interface Read More…
Category: Hardware
Finding IP Address of Device Using Cisco Switch and Router
Issue: I had a Raritan PDU that was plugged into a Cisco 2960 switch which in-turn was connected to a Cisco 6506 router. The PDU did not display the IP address and I could see it was plugged into port 24 on the switch. Resolution: To find out the IP address Log into Read More…
Telnet Using Source IP Address On a Cisco
I ran into a spot of bother trying to get to a remote router due to incorrect access list. To save me a long drive I came across the following command so I could telnet using the source IP address rather than just the interface. # telnet {ip} /source-interface {interface} /route:{sourceIP} eg # telnet 192.168.61.152 Read More…
Copying a File to Flash on a Cisco Router Using SCP
In this scenario I had a router with the same config as a live router . I wanted to configure everything correctly for the customer so they could just replace the current router. To get everything ready I would have to install a license key on the router. As the router could not connect to the Read More…
Intermittent iSCSI Connections to Dell MD3200i
Setup: 2 ESXI 5.0 hosts, connecting to a Dell MD3200i SAN via stacked Cisco switches. The setup has 3 LUNS. Problem: The small, private cloud with a webserver and backend DB server (amongst a few other servers ) became inaccessible from the outside world via HTTP/SSH etc. Upon inspection it appeared that the iSCSI storage was flapping. vCenter Read More…
Show Sync Speeds on Ciscos
Cisco 1841 : # sh dsl int atm0/0 Cisco 1941: # sh controllers vdsl 0/0
Adding a Secondary WAN Subnet to Sonicwall and a Cisco
Example: Current WAN IP range: 100.100.100.0/24 Sonicwall WAN IP: 100.100.100.100 Cisco Router: 100.100.100.1 New WAN IP range: 101.101.101.0/27 You can add a static ARP entry on the Sonicwall but there is an easier method. Simply set a Read More…
Traffic Shaping on Cisco using rate-limit
Here are the rate limit commands in action : rate-limit {direction} {shaped} {normal burst} {extended burst} conform-action {option} {option} direction = input or output shaped = Speed you want to traffic shape in bits normal burst = (shaped / 8) * 1.5 extended burst = (normal burst * 2) Example: Cap a connection at 20mbps Read More…
You must be logged in to post a comment.