Specifications

Limits
ExtremeXOS 12.4.1 Release Notes
47
OSPF adjacencies—maximum number of
supported OSPF adjacencies.
BlackDiamond 8000 series
BlackDiamond 8900 xl-series
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
Summit X250e, X450, X650
Summit X480
128
255
255
255
255
128
255
OSPF areas—as an ABR, how many
OSPF areas are supported within the
same switch.
All platforms 8
OSPF ECMP—maximum number of equal
cost multipath OSPF.
BlackDiamond 8000 series
BlackDiamond 8900 xl-series
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
Summit X250e, X450, X650 (all configurable)
Summit X450a, X480
2, 4, or 8
8
8
8
8
2, 4, or 8
8
OSPF external routes—recommended
maximum number of external routes
contained in an OSPF LSDB without too
many other types of OSPF routes.
BlackDiamond 8000 series
BlackDiamond 8900 xl-series
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
Summit X250e, X450, X450a, X650
Summit X480
20,000
130,000
130,000
130,000
130,000
5,000
130,000
OSPF inter- or intra-area routes—
recommended maximum number of
inter- or intra-area routes contained in
an OSPF LSDB without too many other
types of OSPF routes, with one ABR in
OSPF domain.
BlackDiamond 8000 series
BlackDiamond 8900 xl-series
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
Summit X250e, X450, X450a, X650
Summit X480
7,000
7,000
7,000
7,000
7,000
2,000
7,000
OSPF routers in a single area—
recommended maximum number of
routers in a single OSPF area.
BlackDiamond 8000 series
BlackDiamond 8900 xl-series
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
Summit X250e, X450, X450a, X650
Summit X480
100
200
200
100
200
50
200
OSPF subnets on a single router—
recommended maximum number of
OSPF routed subnets on a switch.
All platforms with Core license or higher 400
Table 38: Supported Limits (Continued)
Metric Product Limit