3Com Switch 7750 Configuration Guide Guide

132 CHAPTER 16: IPX CONFIGURATION
After IPX RIP is enabled, the switch broadcasts IPX RIP update packets periodically.
You can configure the update interval of IPX RIP as required. Note that for the
synchronization of routing tables, all the switches on the network must have the
same RIP update interval.
The aging period of IPX RIP is a multiple of the IPX RIP update interval. You can set
multiple update intervals as an aging period. If a routing entry is not updated after
three RIP update intervals, it will be deleted from the routing table. At the same
time, its associated dynamic service entry will be deleted from the service
information table.
By default, the maximum IPX RIP update packet size is 432 bytes. Considering the
32 bytes for the IPX and RIP headers, each update packet can carry up to 50
eight-byte routing entries.
IPX RIP uses hop count and ticks to measure the distance to a destination network
and route packets. The hop count of a packet adds by one upon each forwarding.
Ticks (1 tick = 1/18 seconds) indicate the delay that a VLAN interface experiences
to forward an IPX packet. A longer delay means slower forwarding whereas a
shorter delay means faster forwarding.
Tabl e 78 Configure IPX RIP
Operation Command Description
Enter system view system-view -
Enable IPX ipx enable
Required
IPX is disabled by default
Configure the update interval
of IPX RIP
ipx rip timer update
seconds
Optional
By default, the update interval
of IPX RIP is 60 seconds
Configure the aging period of
IPX RIP
ipx rip multiplier multiplier
Optional
By default, the aging period is
three times the RIP updating
interval
Configure IPX RIP to import
static routes
ipx rip import-route static
Optional
By default, IPX RIP does not
import static routes.
Enter VLAN interface view
interface Vlan-interface
vlan-id
-
Configure an IPX network
number for the VLAN
interface
ipx network network
Required
By default, the system does
not assign network numbers
to VLAN interface. That is, IPX
is disabled on all the VLAN
interfaces
Configure the size of IPX RIP
update packets
ipx rip mtu bytes
Optional
By default, the maximum size
of IPX RIP update packets is
432 bytes
Configure the IPX packet
forwarding delay on a VLAN
interface
ipx tick ticks
Optional
By default, the forwarding
delay on the VLAN interface is
one tick