[c-nsp] CDP interoperability

[Andriy Bilous]

Seen the same with CDP on ISR G2 with 15.0M - they've sent CDP frames in
every subinterface. It IS annoying.

Won't surprise me if that was an actual feature request to get something
obscure and ugly working in CiscoWorks or Prime. =)


On Mon, Dec 10, 2012 at 5:57 PM, Peter Rathlev <peter at rathlev.dk> wrote:

> On Mon, 2012-12-10 at 17:54 +0200, Saku Ytti wrote:
> > Luckily I think Cisco won't tag LLDP so maybe you can migrate there.
>
> A Sup720 running SXI with subinterfaces will send LLDP frames in each
> VLAN it seems, or at least that's what a neighboring 3560 seems to
> think:
>
>  Switch1#show lldp nei
>  Capability codes:
>      (R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device
>      (W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other
>
>  Device ID       Local Intf   Hold-time  Capability    Port ID
>  SomeRouter      Gi0/25       120        R             Gi4/6.445
>  SomeRouter      Gi0/25       120        R             Gi4/6.507
>  SomeRouter      Gi0/25       120        R             Gi4/6.443
>  SomeRouter      Gi0/25       120        R             Gi4/6.246
>  SomeRouter      Gi0/25       120        R             Gi4/6.991
>  SomeRouter      Gi0/25       120        R             Gi4/6.308
>  SomeRouter      Gi0/25       120        R             Gi4/6.975
>  SomeRouter      Gi0/25       120        R             Gi4/6
>  Phone1          Gi0/16       180        B,T           fca8.41--.----
>  Phone2          Gi0/15       180        B,T           fca8.41--.----
>  Switch2         Gi0/27       120        B             Gi0/27
>  Switch2         Gi0/28       120        B             Gi0/28
>  Switch3         Gi0/26       120        B             Gi1/0/1
>
>  Total entries displayed: 13
>
>  Switch1#
>
> The Sup720 will see just one neighbor:
>
>  SomeRouter#show lldp neighbors Gi4/6
>  Capability codes:
>      (R) Router, (B) Bridge, (T) Telephone, (C) DOCSIS Cable Device
>      (W) WLAN Access Point, (P) Repeater, (S) Station, (O) Other
>
>  Device ID           Local Intf     Hold-time  Capability      Port ID
>  Switch1             Gi4/6          120        B               Gi0/25
>
>  Total entries displayed: 1
>
>  SomeRouter#
>
> This is a bit annoying IMHO.
>
> --
> Peter
>
>
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