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See CSCtr15153 - load 255/255 on 15.1(134)

Does this bug affect IOS 15.1(134) C3900e-UNIVERSALK9-M? I understand this may be an 'engineering special' rather than a general release. The Cisco website doesn't seem to have heard of it, so I can't use the bug toolkit to verify whether it's affected or not (I did try).

Does this affect tunnels? Does it (or could it) explain txload and rxload being 255 in the following example?

Tunnel XYZ is up, line protocol is up

     Hardware is Tunnelo

     Description is DMVPN tunnel for customer cloud

     Internet address is a.b.c.d/21

     MTU 17912 bytes, BW 100 Kbit/sec, DLY 50000 usec,

          reliability 255/255, txload 255/255, rxload 255/255

     Encapsulation TUNNEL, loopback not set

     Keepalive not set

     Tunnel source e.f.g.h (LoopbackXYZ)

          Tunnel Subblocks:

               src-track:

                    TunnelXYZ source tracking subblock associated with LoopbackXYZ

                         set of tunnels with source LoopbackXYZm 1 member (includes interators), in interface <OK>

     Tunnel protocol/transport multi-GRE-IP

          Key 0x[snip], sequencing disabpled

          Checksumming of packets disabpled

     Tunnel TTL 255, Fast tunelling enabled

     Tunnel transport MTU 172 bytes

     Tunnel transmit bandwidth 8000 (kbps)

     Tunnel receive bandwidth 8000 (kbps)

     Tunnel protection via IPSec (profile [snip - refers to customer cloud])

     Last input 00:00:00, output never, output hang never

     Last clearing of "show interface" counters 42w3d

     Input queue: 0/4096/0/0 (size/max/drops/flushes); Total output drops 523297

     Queueing stategy: fifo

     Output queue: 0/4096 (size/max)

     5 minute input rate 6842000 bits/sec, 2023 packets/sec

     5 minute output rate 3509000 bits/sec, 1867 packets/sec.

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