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Community Member

Tunnel Gre


We have tunnel gre with wimax (70Mb)  access and other access mpls(30Mb). We configured tunnel gre and we have problem, the tunnels are very slow both.

i show the configuration.

How we change the bandwith of the tunnel???


nterface Tunnel0

description tunel macrolan

ip address

ip ospf network point-to-point

ip ospf 1 area 0

keepalive 3 3

tunnel source

tunnel destination


unnel0 is up, line protocol is up

  Hardware is Tunnel

  Internet address is

  MTU 17916 bytes, BW 100 Kbit/sec, DLY 50000 usec,

     reliability 255/255, txload 2/255, rxload 17/255

  Encapsulation TUNNEL, loopback not set

  Keepalive set (3 sec), retries 3

  Tunnel source, destination

  Tunnel protocol/transport GRE/IP

    Key disabled, sequencing disabled

    Checksumming of packets disabled

  Tunnel TTL 255, Fast tunneling enabled

  Tunnel transport MTU 1476 bytes

  Tunnel transmit bandwidth 8000 (kbps)

  Tunnel receive bandwidth 8000 (kbps)

  Last input 00:00:09, output 00:00:00, output hang never

  Last clearing of "show interface" counters 1d04h

  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 639

  Queueing strategy: fifo

  Output queue: 0/0 (size/max)

  5 minute input rate 7000 bits/sec, 2 packets/sec

  5 minute output rate 1000 bits/sec, 1 packets/sec

     641353 packets input, 351062214 bytes, 0 no buffer

     Received 0 broadcasts (0 IP multicasts)

     0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

     295624 packets output, 148067207 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 unknown protocol drops

     0 output buffer failures, 0 output buffers swapped out

Everyone's tags (2)
Hall of Fame Super Silver

Re: Tunnel Gre

Hello Rafael,

see this thread

it is a question of IOS feature set and to use the appropriate command in interface tunnel configuration

tunnel bandwidth transmit XX

when the command is supported you should be able to put more then 8 Mbps on the tunnel interface

Hope to help


Community Member

Re: Tunnel Gre

Hi Giuseppe,

We found the commnad in our ios. Thank for your link, has been very useful.



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