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Configuring BGP, OSPF, Static Routing, and Route Retraction on SteelHead SD | 61
Configuring OSPF with ABR on SteelHead SD
•
Totally Stub
- This type of router is similar to a stub router. They accept inter-area routes and the
default route from their ABR. They do not accept ASBR injected external routes. A totally stub type
can only contain type 1 and 2 LSAs, and a single type 3 LSA. The type 3 LSA describes a default route,
substituted for all external and inter-area routes.
To create an OSPF area
1. Choose Routing > OSPF and select the OSPF network for which you want to create an area.
2. Select the Areas tab and click
New Area
.
Figure 7-13. Creating OSPF areas
3. Fill out the attributes for the OSPF area:
•
Name
- Specify a descriptive name for the OSPF area.
•
Area ID
- Specify a valid area ID as either a 32-bit unsigned number from 0 to 4294967295 or an
IPv4 address in dotted decimal notation (x.x.x.x). The default setting is the backbone area ID 0;
however, you can change the value to your existing area ID. For small LANs, area 0 might be all you
need, but as a network grows, you will need more than one area connecting to area 0.
•
Type
- Specify the OSPF LSA type:
–
Standard
- Routers in this area accept default and autonomous system boundary router (ASBR)
injected external routes. The backbone is considered a standard area.
–
Stub
- Routers in this area accept inter-area routes and the default route from their ABR. They
do not accept ASBR injected external routes. A stub type can contain type 1, 2, and 3 LSAs.
–
Totally Stub
- This type of router is similar to a stub router. They accept inter-area routes and
the default route from their ABR. They do not accept ASBR injected external routes. A totally
stub type can only contain type 1 and 2 LSAs, and a single type 3 LSA. The type 3 LSA describes a
default route, substituted for all external and inter-area routes.
Summary of Contents for SteelHead 3070-SD
Page 14: ...14 Introducing SteelHead SD Next steps...
Page 36: ...36 Configuring AutoVPN on SteelHead SD Configuring AutoVPN on SteelHead SD...
Page 90: ...90 Configuring LAN Side Internet Breakout on SteelHead SD Troubleshooting...
Page 104: ...104 Configuring High Availability on SteelHead SD Troubleshooting...
Page 116: ...116 Health Check and Reporting on SteelHead SD Exporting Netflow data...
Page 124: ...124 TOS DSCP QoS Traffic Class Table TOS DSCP and QoS Traffic Classes Table...