Hitachi GR2000 Series Installation Manual page 245

IPv4 multicast and the minimum required memory of a basic control module (BC
on the number of NDP static entries when an IPv6 function is used are shown in
Table 4-61. The minimum required memory of RP is also shown in Table 4-62.
Table 4-61 BCU minimum required memory
IPv4 unicast
BCU
No. of route entries
me-
mory
Break-down
size
by protocol
(Note
RIP+
1)
OSPF
128 10,000 10,000
MB or or less
more
2,000 2,000
or less
256MB 90,000 10,000 80,000 1,000
or less
(Note 2)(Note 4)(Note 5)(Note 6)
IPv4 multi cast
No. of
ad-
No. of
jacent
static
entries
routers
entries
BGP
--- 500 or 64 or
less less
--- 500 or 64 or
less less
256 or
or less less or less
No. of route entries
No. of
No. of
ad-
static
jacent
routers
0 0 2,000
or less
500 or 32 or 2,000
less less or less
5,000 8 or 25,000
less or less
(Note 11) (Note 3)(Note 4)(Note 5)
IPv6 unicast
Break-down
No. of
by protocol
static
BGP
entries
RIPng
4+
1,000 --- 1,000
or less or less
1,000 --- 1,000
or less or less
1,000 25,000 1,000
or less or less or less
RA
No. of
No. of
ad-
enter
jacent
face
router
s
64 or 32 or
less less
64 or 32 or
less less
256 or 32 or
less less