Some platforms have a hardware clock that is separate from the software clock. In Cisco IOS software syntax, the hardware clock is called the “calendar.” The hardware clock is a battery-powered chip that runs continuously, even if the router is powered off or rebooted. After you set the hardware clock, the software clock will be [...]
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Cisco ASA Site-to-Site VPN Tunnel IP Change
If you or your client is moving from one ISP to another, here’s a four step process on how to change the IP Address for the tunnel. It’s actually four steps on each side of the tunnel.
MD5 Digest Checksum Mismatch Problem
The MD5 Hash is built off of the switches VTP configuration. So make sure the VTP passwords match and the VTP domain names match. I’ve also read that the VTP pruning and the VTP version also changes the MD5 digest. So if making the changes does not solve your problem, then change the VTP mode [...]
Condensed Notes – Lab 4
[info]1.1 (Traffic Control)[/info] [success]When told to enable pruning because SW1 and SW3 do not have VLAN8 locally assigned. Ensure that traffic from this VLAN is not allowed over their lowest numbered trunk link to SW2. Traffic for VLAN8 should be received over any of the other trunk links:[/success] SW1: int fa1/7 switchport trunk allowed vlan [...]
Condensed Notes – Lab 3
[info]1.1 (IP Bridging)[/info] [success]When told to create a bridge between R1 and R3 using R6 for traffic between VLAN16 and VLAN36. Make sure the rest of the routing domain can communicate with both R1 and R3 via IP:[/success] R6: bridge irb <–activates IRB ! Int fa0/0.16 bridge-group 1 ! int fa0/0.36 bridge-group 1 ! int [...]