Specifications

Limits
ExtremeXOS 12.4.4 Release Notes
49
Network Login—maximum number of
clients being authenticated on MAC-
based VLAN enabled ports.
BlackDiamond 8000 series (clients per
module/per system)
BlackDiamond 12804 (per system)
Summit series
1,024
4,000
1,024
Network Login—maximum number of
dynamic VLANs.
All platforms (except the BlackDiamond 20800
series)
2,000
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 10808
BlackDiamond 12800 series
BlackDiamond 20800 series
All Summit Series
2, 4, or 8
8
8
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
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
Table 38: Supported Limits (Continued)
Metric Product Limit