I dont see what your issue is. you have ports in vlan 1 and ports in vlan 2... If you are questioning the vlan 100X entries, thats the default vlans in cisco switches that are reserved for other things like fddi/TR....they are always in the vlan arp table.
Cliff Cliff wrote: >Dear all, > >For my company, there are two equipment rooms, one is in upstair ad one is >in downstair. So we are using fiber connecting these two floor equipments by >using Cisco 2950 (which having 2 Fiber port) in both upstair and downstair. > >In cisco 2950, there are 24 ports, for some reason, I need to set 12 ports >for VLAN1 (IP address A.B.C.0/24) andb 12 ports for VLAN2(E.F.G.0/24) in >upstair cisco 2950. Note that port 25 is also VLAN1 and port 26 is VLAN2. >The same applied to downstair cisco 2950 (Now we have two fibers connecting >to upstair and downstair cisco 2950). The result why connected like this is >we want to seperate the traffic for VLAN1 and VLAN2. > >The config is like this > >upstair and downstair cisco 2950 switch config >============================================== >Port 1 to port 12: > >under interface FastEthernet0/1 to 0/12 - no special config (default) > >Port 13 to port 24: > >under interface FastEthernet0/13 to 0/24 - adding "switchport access vlan 2" > >Assign ip address for upstair cisco 2950: > >interface VLAN1 > ip address A.B.C.1 255.255.255.0 > >Assign ip address for downstair cisco 2950: > >interface VLAN1 > ip address A.B.C.2 255.255.255.0 > >But when I issue a command show arp, I see very strange situation. > >Actually from my knowledge, the arp table should contains only local arp >table. But I find that there are some external address on my arp table. WHY? >Really not understanding? Is my config for VLAN is wrong? > >Also when I issue a command "show vlan brief", I get the following output: > >VLAN Name Status Ports >---- -------- --------- ------ >1 default active Fa0/1,Fa0/2, ... ,Fa0/12,Fa0/25 >2 VLAN0002 active Fa0/13,Fa0/14, ... , Fa0/24, Fa0/26 >1002 fddi-default active >1003 token-ring-default active >1004 fddinet-default active >1005 trnet-default active > >which I believe that I am not setting wrong for VLAN. Any comment or >suggestion? Thx! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=58407&t=58404 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]