3com S7906E Installationsanweisungen
1-15
# Enable RIPng on VLAN-interface 100.
[SwitchB-Vlan-interface100] ripng 1 enable
[SwitchB-Vlan-interface100] quit
# Enable RIPng.
[SwitchB] ripng
# Display RIPng routing table information.
[SwitchB-ripng-1] display ripng 1 route
Route Flags: A - Aging, S - Suppressed, G - Garbage-collect
----------------------------------------------------------------
Peer FE80::7D58:0:CA03:1 on Vlan-interface 100
Dest 10::/32,
via FE80::7D58:0:CA03:1, cost 1, tag 0, A, 18 Sec
Dest 20::/32,
via FE80::7D58:0:CA03:1, cost 1, tag 0, A, 8 Sec
Dest 40::/32,
via FE80::7D58:0:CA03:1, cost 1, tag 0, A, 3 Sec
Applying a Route Policy to Filter Received BGP Routes
Network requirements
As shown in the following figure:
z
All the switches run BGP. Switch C establishes eBGP connections with other switches.
z
Configure a route policy on Switch D to reject routes from AS 200.
Figure 1-3 Route policy configuration to filter received BGP routes
Swtich B
AS 200
Vlan-int200
1.1.2.1/24
Swtich D
Swtich C
AS 400
Swtich A
AS 100
Vlan-int100
1.1.1.1/24
Vlan-int300
1.1.3.1/24
1.1.3.1/24
AS 300
Vlan-int100
1.1.1.2/24
Vlan-int200
1.1.2.2/24
Vlan-int300
1.1.3.2/24
Configuration procedure
1) Configure IP addresses for the interfaces (omitted).
2) Configure
BGP.