[c-nsp] ME6500

Tassos Chatzithomaoglou achatz at forthnet.gr
Tue Aug 12 08:42:24 EDT 2008


"clear arp-cache x.x.x.x" should work. Just keep in mind that after doing this, the local router will send an arp 
request to this mac. If it's still active, a reply is sent back and the local arp table will be filled again (you can 
check the "Age" counter).

--
Tassos

Adrian M wrote on 12/8/2008 2:53 μμ:
>> On some platforms, "conf t" +"no arp a.b.c.d" can do this, but I
>> haven't tried it on ME6524. Is "clear arp interface <xxx>" where <xxx>
>> is the interface where the arp entry is located won't probably be that
>> hard, unlesss you have thousand of entries on that routed or SVI
>> interface.
> 
> 
> "no arp a.b.c.d" doesn't work :(
> "clear arp x.x.x.x" doesn't exist either.
> "clear arp-cache interface GigabitEthernet 1/10" is not clearing arp
> entries from GigabitEthernet1/10.215
> 
>>
>>> How to display mac learned on a routed subinterface
>>> "sh mac-address-table" don't display mac addresses for ports like Gi1/10.200
>> I don`t think routed subinterfaces have mac-address-table, by
>> definition... ping <broadcast address of Gi1/10.200> (use both
>> all-zeros and all-ones broadcasts) followed by show ip arp gi1/10.200
>> will likely show whoever is attached to that interface (even for hosts
>> that don't answer ping, because it's not common to filter out arp
>> requests/responses in host firewalls these days).
>>
>>
>> Rubens
> 
> Ok ! But the box is still a switch. It uses internal vlans.
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