[c-nsp] OID to pick up Device Type of Cisco devices
Scott Keoseyan
scott at labyrinth.org
Sun Nov 2 11:00:23 EST 2008
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Is there not a MIB out there that contains/displays the contents of
what's in the CDP neighbor table, and is this information not in the
table itself... bridge/router/ip-phone/AP/etc.,,?
I thought there was a network-management tool out there somewhere that
used the contents of the CDP table to help map-out the network or
something like that using this technique.
Scott
On Nov 1, 2008, at 2:24 PM, lee.e.rian at census.gov wrote:
> -----Peter Rathlev wrote: -----
>
>> On Sat, 2008-11-01 at 11:30 -0400, lee.e.rian at census.gov wrote:
>>> Especially considering his example was a Catalyst 6500 chassis. He'd
> have
>>> to distinguish switched/routed ports present or not...
>>>
>>> I'm not a work, so I can't check, but the RFC1213 sysServices
>>> might show
> if
>>> the routing and/or bridging functionality is enabled:
>> <cut>
>>
>> I was thinking the same, but it doesn't seem very useful when trying
>> it out. All the units I looked at was either
>>
>> "INTEGER: 6" (bridge and IP gateway) or
>> "INTEGER: 78" (bridge, IP gateway, IP host and application host).
> <.. snip ..>
>
> Too bad Cisco says what the box *can* do instead of what it's actually
> doing.
>
> Maybe RFC1213 ipForwarding would work
>
> ipForwarding OBJECT-TYPE
> SYNTAX INTEGER {
> forwarding(1), -- acting as a gateway
> not-forwarding(2) -- NOT acting as a gateway
> }
>
> but I kind of doubt it. We just got some SUP32s in to replace CatOS
> SUP2s
> (pure L2 switches) & I haven't been able to figure out yet how to
> tell them
> _not_ to play router. Only the directly connected router can talk
> to the
> sup32 if it's configured with a default gateway but no default route.
> Seems to me that you should only need a default route on something
> that's
> acting as a router. (If it makes any difference, "no ip proxy-arp"
> is the
> standard here :) So my guess is that they're going to say they're
> acting
> as a gateway even tho I don't want them to play router nor is there
> anything L3 configured on them beyond the management vlan IP address
> and
> syslog, tacacs, etc. server addresses.
>
> Lee
>
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