- Unicast: One-to-one.
- Multicast: One-to-many.
- Anycast: One-to-closest.
- Link-local scope address: layer2 domain
- Unique / Site-local scope address: Organization
- Global scope address: Internet
STP logical interfaces maximum
Example logical interfaces:
6500 Chassis:
Example Virtual interfaces:
Cisco 6748 Linecard
Nic teaming options
Operation | Failover time |
---|---|
OSPF / EIGRP | Subsecond |
RTSP | 1-2 Seconds |
Etherchannel | 1 Second |
HSRP Timers | 3 Seconds |
Service Modules | 1-5 Seconds |
Windows TCP Stack Tolerance | 9 Seconds |
Connecting the blade to the network
Sonet ( Synchronous Optical Networking)
Synchronous Digital Hierarchy
Location | Subnet | VLAN | Description | Prefix |
---|---|---|---|---|
10.1.0.0/16 |
||||
Location01 | 10.1.10.Y | 10 | Data | |
10.1.20.Y | 20 | Voice | ||
10.1.30.Y | 30 | WiFi | ||
10.1.40.Y | 40 | Servers Printers | ||
10.1.50.y | 50 | Exit VLAN | ||
10.1.98.Y | 98 | Public WiFI | ||
10.1.99.Y | 99 | Management | ||
10.2.0.0/16 | ||||
Location02 | 10.2.10.Y | 10 | Data | |
10.2.20.Y | 20 | Voice | ||
10.2.30.Y | 30 | WiFi | ||
10.2.40.Y | 40 | Servers Printers | ||
10.2.50.y | 50 | Exit VLAN | ||
10.2.98.Y | 98 | Public WiFI | ||
10.2.99.Y | 99 | Management | ||
Setup:
There must be a GRE tunnel configured between R2 and R3 so that OSPF can be used between them. In the example we will use a tunnel with and without IPsec.
ROUTER 2:
R2: # WAN ADDRESS interface FastEthernet0/0 ip address 1.1.1.2 255.255.255.0 duplex auto speed auto ! # TUNNEL ADDRESS interface Tunnel0 ip address 10.10.10.1 255.255.255.252 tunnel source 1.1.1.2 tunnel destination 1.1.2.2 ! # LAN ADDRESS interface Loopback0 ip address 192.168.10.1 255.255.255.0 ! # OSPF CONFIG router ospf 1 log-adjacency-changes network 10.10.10.0 0.0.0.3 area 0 network 192.168.10.0 0.0.0.255 area 0 ! # DEFAULT ROUTE (TRAFFIC TOWARDS R3) ip route 0.0.0.0 0.0.0.0 1.1.1.1