User's Manual Part 2

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Codes: K - kernel, C - connected, S - static, R - RIP, B - BGP
O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
area
* - candidate default
S 10.2.20.0/24 [1/0] via 192.168.20.1, mgmt 1
S 18.0.0.0/8 [1/0] via 192.168.20.1, mgmt 1
C 80.1.0.0/16 is directly connected, vlan 80
C 119.6.100.0/24 is directly connected, Gi 12/0
S 119.6.200.0/24 [1/0] via 119.6.100.1, Gi 12/0
C 172.50.3.0/24 is directly connected, Gi 12/2
S 192.168.0.0/16 [1/0] via 192.168.20.1, mgmt 1
C 192.168.20.0/24 is directly connected, mgmt 1
6.3ConfiguringARP
JadeOSsupportsconfiguringstaticARPtable.
AddressResolutionProtocol(ARP)isaTCP/IPprotocolusedforresolutionofnetwork
layerIPaddressintolinklayerMACaddress,acriticalfunctioninmultiple‐access
networks.ARPwasdefinedbyRFC826in1982.
BesidesthebasicARPfunction,JadeOSalsosupportlocalproxyARPandDHCPau‐
thorizedARP.ItiseffectivelyavoidedARPcheatandattackbyDHCPSnooping,which
enhancesthesecurityofpublicwirelessLANscommunication.
6.3.1ConfiguringStaticARPTable
DynamicARPlearningisenablinginJadeOSportbydefault.
ToaddstaticARPtable,usefollowingcommand:
arp <ipaddr> <macaddr>
TodeleteARPcacheentry,usenoarpcommand:
no arp <ipaddr> <macaddr>
Forexample：
(JadeOS) (config) #arp 10.1.2.23 00:19:87:0D:5C:2C
6.3.2InquiringARPTable
ToviewARPtable,useshowarpcommand:
(JadeOS) #show arp