Hi Wilber,

That did not help actually.

On 17 October 2015 at 15:27, Wilber <wilberwanjira@gmail.com> wrote:
Hi,

Try remove the keep alive from one end and advice if the line protocol will come up.

Wilber Sent from my iPhone

On 17 Oct 2015, at 11:59 AM, Odhiambo Washington via skunkworks <skunkworks@lists.my.co.ke> wrote:

Woken up to a weird problem and it's driving me nuts.. This has been working until today. NO changes at all have been made in several months.

The tunnel has refused to come up for some strange reason. I have even rebooted the routers. One had been up for 1.5 years, even...


Router1:


C2811-Telecity#sh interfaces tunnel 49
Tunnel49 is up, line protocol is down <===================
  Hardware is Tunnel
  Description: TitanAir JTL
  Internet address is 192.168.55.82/30
  MTU 1514 bytes, BW 512 Kbit, DLY 500000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation TUNNEL, loopback not set
  Keepalive set (5 sec), retries 10
  Tunnel source 85.90.242.30, destination 197.232.31.83
  Tunnel protocol/transport GRE/IP
    Key 0x8XXXXXXX, sequencing disabled
    Checksumming of packets disabled
  Tunnel TTL 255
  Fast tunneling enabled
  Tunnel transmit bandwidth 8000 (kbps)
  Tunnel receive bandwidth 8000 (kbps)
  Last input 00:00:00, output 00:00:04, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 1
  Queueing strategy: fifo (QOS pre-classification)
  Output queue: 0/0 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     30 packets input, 1680 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     31 packets output, 1808 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 output buffer failures, 0 output buffers swapped out

C2811-Telecity#ping 197.232.31.83 so 85.90.242.30

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 197.232.31.83, timeout is 2 seconds:
Packet sent with a source address of 85.90.242.30
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 188/188/188 ms

C2811-Telecity#sh running-config interface tunnel 49
Building configuration...

Current configuration : 312 bytes
!
interface Tunnel49
 description TitanAir JTL
 bandwidth 512
 ip address 192.168.55.82 255.255.255.252
 ip access-group Kenya in
 ip mtu 1300
 ip route-cache flow
 ip tcp adjust-mss 1200
 qos pre-classify
 keepalive 5 2
 tunnel source 85.90.242.30
 tunnel destination 197.232.31.83
 tunnel key XXXXXXXXXXX
end

Router 2:

C1811-TitanAir#sh interfaces tunnel 49
Tunnel49 is up, line protocol is down
  Hardware is Tunnel
  Description: Inet to TCRB
  Internet address is 192.168.55.81/30
  MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation TUNNEL, loopback not set
  Keepalive set (5 sec), retries 10
  Tunnel source 197.232.31.83, destination 85.90.242.30
  Tunnel protocol/transport GRE/IP
    Key 0x8XXXXXXX, sequencing disabled
    Checksumming of packets disabled
  Tunnel TTL 255
  Fast tunneling enabled
  Tunnel transmit bandwidth 8000 (kbps)
  Tunnel receive bandwidth 8000 (kbps)
  Last input never, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo (QOS pre-classification)
  Output queue: 0/0 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     207 packets output, 12306 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 output buffer failures, 0 output buffers swapped out

C1811-TitanAir#ping 85.90.242.30 source 197.232.31.83

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 85.90.242.30, timeout is 2 seconds:
Packet sent with a source address of 197.232.31.83
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 188/188/188 ms

C1811-TitanAir#sh running-config interface tunnel 49
Building configuration...

Current configuration : 300 bytes
!
interface Tunnel49
 description Inet to TCRB
 ip address 192.168.55.81 255.255.255.252
 ip access-group netbios out
 ip mtu 1300
 ip route-cache flow
 ip tcp adjust-mss 1200
 qos pre-classify
 keepalive 5 2
 tunnel source 197.232.31.83
 tunnel destination 85.90.242.30
 tunnel key XXXXXXXXXXXXXXX
end





--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254733744121/+254722743223
"I can't hear you -- I'm using the scrambler."
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--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254733744121/+254722743223
"I can't hear you -- I'm using the scrambler."