Security Contexts is Cisco's name for a virtual firewall. One physical firewall may have multiple contexts.There are no physical interfaces on the FWSM. All virtual interfaces.
You specify the vlan group the fwsm belongs to.
Interface VLAN 101
Ip address 10.30.x.x/24
Failovers are typically recommended that LAN and STATE are on separate vlans.
This problem occurs because a management IP address is not configured. This is an issue since the FWSM uses the IP address as the source address.
Each context requires a management IP address, even if Telnet is not used.
In order to resolve this problem, configure a management IP address with the ip address command for new context. Refer to Managing Security Contexts for more information about context.
Note: During the configuration process for a management IP address, remember these:
Refer to the Transparent Firewall Guidelines section of Configuring the Firewall Mode for more information.