[c-nsp] if cisco 7609 router reserve port bandwrith for routing protocol

[zhangyongshun]

but the default  output quenue is fifo quenue.there is no priority 
quenue in output quenueing strategy.

GigabitEthernet2/22 is up, line protocol is up (connected)
   Hardware is C6k 1000Mb 802.3, address is 001b.d4ec.e2ad (bia 
001b.d4ec.e2ad)
   MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
      reliability 255/255, txload 24/255, rxload 20/255
   Encapsulation ARPA, loopback not set
   Full-duplex, 1000Mb/s, media type is LH
   input flow-control is off, output flow-control is off
   Clock mode is auto
   ARP type: ARPA, ARP Timeout 04:00:00
   Last input never, output never, output hang never
   Last clearing of "show interface" counters never
   Input queue: 0/2000/509319/0 (size/max/drops/flushes); Total output 
drops: 0
/*/  Queueing strategy: fifo/
   Output queue: 0/40 (size/max)*/
   5 minute input rate 79621000 bits/sec, 17407 packets/sec
   5 minute output rate 97469000 bits/sec, 15490 packets/sec
      102001870122 packets input, 65464468703867 bytes, 0 no buffer
      Received 113016587 broadcasts, 0 runts, 0 giants, 0 throttles
      509319 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
      0 input packets with dribble condition detected
      100567604392 packets output, 80794980598966 bytes, 0 underruns
      0 output errors, 0 collisions, 4 interface resets
      0 babbles, 0 late collision, 0 deferred
      0 lost carrier, 0 no carrier
      0 output buffer failures, 0 output buffers swapped out

> IF the packets are marked into queue 7 then they will be output first.
> HOWEVER SPD is used on input,  there have been other threads about the OSPF dropping on BGP updates
> Which happens fairly regularly on the 7600 code.
>
> Mack
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of zhangyongshun
> Sent: Wednesday, February 29, 2012 7:40 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] if cisco 7609 router reserve port bandwrith for routing protocol
>
> Hi,everybody:
> I always thought if cisco router reserve 10-15% port bandwith for transport routing protocol packages(e.g. rip,ospf).
> in the FIFO Output queue port(default config).how to guarantee the protocol packages always first to be transported.
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