[c-nsp] 6506 unusual behavior

Adam Korab adam.korab at gmail.com
Wed Aug 27 12:56:14 EDT 2008


On Wed, Aug 27, 2008 at 11:15 AM, Arie Vayner (avayner)
<avayner at cisco.com> wrote:
> Adam,

Hi Arie,

> I think you have a bit too many routes on this box...

Probably...sup2 is kind of old.

> Can you please share the outputs of:
>
> - show ip route summary

edge1#sh ip ro sum
IP routing table name is Default-IP-Routing-Table(0)
Route Source    Networks    Subnets     Overhead    Memory (bytes)
connected       0           5           400         800
static          0           2           224         320
ospf <removed> 0           123         8064        19680
  Intra-area: 5 Inter-area: 0 External-1: 0 External-2: 118
  NSSA External-1: 0 NSSA External-2: 0
bgp <removed>       130413      130722      16712640    41818320
  External: 5090 Internal: 256045 Local: 0
internal        2642                                3117560
Total           133055      130852      16721328    44956680
Removing Queue Size 0

> - show mls cef summary

edge1#sh mls cef sum

Total CEF switched packets:  0000000825744817
Total CEF switched bytes:    0000440372791097
Total routes:                261292
    IP unicast routes:       261292
    IPX routes:              0
    IP multicast routes:     0

> - show mls cef maximum-routes

edge1#sh mls cef maximum-routes
                   ^
% Invalid input detected at '^' marker.

So if that is indeed the case and this box has 261k routes while
supporting 192k...what can be done to mitigate it?  I don't believe
the end customer has the budget to upgrade to sup720-3bxl.  It's a
pair of 6506s, each with an upstream provider; each box is taking full
views and they iBGP peer with each other.

Thanks!

--Adam


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