access-list 1 permit 192.168.98.62 0.0.0.255access-list 100 permit ip 10.0.0.0 0.0.0.255 192.168.99.61 0.0.0.255

!

end

router#

ERT-805# show ip route

Codes: A--all O--ospf S--static R--rip C--connected E--egp T--tunnel o--cdp D--EIGRP, EX--EIGRP external, O--OSPF, IA--OSPF inter area N1--OSPF NSSA external type 1, N2--OSPF NSSA external type 2 E1--OSPF external type 1, E2--OSPF external type 2 [Distance/Metric] g<Group#>

C 10.0.0.0/8 [0/1] via 10.0.0.1 serial0/0* actC130.0.0.0/16 [0/1] via 130.0.1.2 Tunnel<serial0/0>* act192.168.98.0/24 [120/1]Rvia 10.0.0.3, ttl=150, serial0/0 actR via 10.0.0.2, ttl=150, serial0/0 actC 192.168.99.0/24 [0/1] via 192.168.99.64 fastethernet0/0* act ERT-805#

5.4 Firewall- Context-Based Access Control (CBAC)

Security is an important issue in IT world. Most of people may know about firewall, it is use to prevent unauthorized, external individuals from gaining access into your network. Context-Based Access Control (CBAC) is a new feature technology that turns your router into an effective and robust firewall.

CBAC is includes the following features:

ØBasic and advanced traffic filtering

ØSecurity serer support

ØNetwork Address translation

ØCisco encryption technology

ØIPSec network security

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