Specifications

Limits
ExtremeXOS 12.3.4 Release Notes
58
OSPF adjacencies—maximum number of
supported OSPF adjacencies.
BlackDiamond 8000 series modules
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20808
Summit X250e
Summit X450
Summit X650
128
255
255
255
128
128
128
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 modules
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20808
Summit X250e (configurable)
Summit X450 (configurable)
Summit X650 (configurable)
8
8
8
8
2, 4, or 8
2, 4, or 8
2, 4, or 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 modules
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20808
Summit X250e
Summit X450
Summit X650
20,000
130,000
130,000
130,000
5,000
5,000
5,000
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 modules
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20808
Summit X250e
Summit X450
Summit X650
7,000
7,000
7,000
7,000
2,000
2,000
2,000
OSPF routers in a single area—
recommended maximum number of
routers in a single OSPF area.
BlackDiamond 8000 series modules
BlackDiamond 10808
BlackDiamond 12800 series
BlackDiamond 20808
Summit X250e
Summit X450
Summit X650
100
200
100
200
50
50
50
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 37: Supported Limits
Metric Product Limit