Hitachi GR2000 Series, Руководство по установке

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When forwarding RIP packets with this device on point-to-point circuits, destinat
addresses are sent by unicast addresses (interface address of the other device). I
addition, when receiving RIP packets from point-to-point circuits, they are receiv
with a unicast address (one’s own interface address or limited broadcast address
(address of all 1’s) as the destination address.
With Cisco routers, the RIP packet destination address is different because of the
broadcast-address" setting. Do not make the "ip-broadcast-address" setting if th
device is connected to Cisco routers.
4.7.6 Cautions When Using OSPF on Point-to-Point Circuits
When using OSPF on point-to-point circuits with this device, the HelloInterval
default value becomes 10 seconds and the Routerdeadinterval default value becom
40 seconds. With the devices shown in Table 4-84, the HelloInterval default valu
becomes 40 seconds and the Routerdeadinterval default value becomes 120 secon
on point-to-point circuits. If this device is connected to either of those shown in
Table 4-84 by point-to-point circuits, match the HelloInterval value and the
Routerdeadinterval value in both routers.