[HECnet] One more for the Cisco GRE mesh: Seeking Tunnel End-Points

Brian Hechinger wonko at 4amlunch.net
Wed Apr 10 09:36:34 PDT 2019


Something didn't work:

Reloading router: 45.62.248.66 foobar 199.166.5.172 tunnel-
supratim.net-ipv4.txt

running................................................................
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failed

On Wed, 2019-04-10 at 11:56 -0400, Supratim Sanyal wrote:
> Here you go Brian.
> Your IP: (which you already provided) : 45.62.248.66Is IP static:
> YESHostname: (only really matters with dynamic IP): N/ASource
> Interface: f0/1 (FastEthernet0/1)Writable SNMP Community name: foobar
> For reference, here is the currently running Tunnel12 to Tim's
> A12RTR:
> Tunnel12 is up, line protocol is up   Hardware is
> Tunnel   Description: Tunnel to Area 12 A12RTR 12.1023 Tim Sneddon
> DECrouter 90T2 IOS V10.3 Perth, Western Australia   MTU 1514 bytes,
> BW 9 Kbit, DLY 500000 usec,      reliability 255/255, txload 1/255,
> rxload 1/255   Encapsulation TUNNEL, loopback not set   Keepalive not
> set   Tunnel source 10.42.2.204 (FastEthernet0/1), destination
> [redacted]   Tunnel protocol/transport GRE/IP, key disabled,
> sequencing disabled   Tunnel TTL 255   Checksumming of packets
> disabled,  fast tunneling enabled   Path MTU Discovery, ager 10 mins,
> min MTU 92, MTU 0, expires never   Last input 00:00:02, output
> 00:00:18, 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   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      464 packets input, 35549
> 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      275 packets output, 24288 bytes, 0 underruns      0
> output errors, 0 collisions, 0 interface resets      0 output buffer
> failures, 0 output buffers swapped out
> Tunnel12 is up, line protocol is up, encapsulation is
> TUNNEL   Interface cost is 1, priority is 64, DECnet network:
> 0   Sending HELLOs every 30 seconds, routing updates 40
> seconds   PhaseIV VAX cluster hold time is 300 seconds   Smallest
> router blocksize seen is 1498 bytes   Routing input list is not set,
> output list is not set   Access list is not set   DECnet fast
> switching is enabled   Number of L1 router adjacencies is :
> 0   Number of L2 router adjacencies is : 1   Number of non-PhaseIV+
> router adjacencies is : 0   Number of PhaseIV+ router adjacencies is
> : 1
> 
> 
> 
> On 4/10/19 10:36 AM, Brian Hechinger wrote:
> Ok, here's what I need from you.
> You need to allow SNMP into the Cisco but you can limit that to only
> be allowed from myst.platinum.net (199.166.5.172)
> I need:
> You IP: (which you already provided)Is IP static:hostname: (only
> really matters with dynamic IP)Source Interface: (this is the
> interface on the Cisco that the GRE tunnel(s) are on)Writable SNMP
> Community name:
> -brian
> On Wed, 2019-04-10 at 09:32 -0400, Supratim Sanyal wrote:
> Brian,
> Behind NAT, protocol 47 forwarded. I can, of course, forward any port
> you need - just let me know what to open and forward.
> I am already connected to A12RTR, BTW.
> Thanks
> Supratim
> On Apr 10, 2019, at 7:59 AM, Brian Hechinger <wonko at 4amlunch.net  <ma
> ilto:wonko at 4amlunch.net>> wrote:
> Is the Cisco device directly available on the internet? For my tool
> to work I need that (although the new version I'm planning won't)
> -brian
> On Tue, 2019-04-09 at 16:24 -0400, Supratim Sanyal wrote:On 2/26/19
> 2:53 PM, Supratim Sanyal wrote:
> This email is directed to owners of Cisco routers with GRE tunnels;
> tothe best of my limited knowledge, Dave McGuire, Ian McLaughlin,
> BrianHechinger, Mark Darvill, Cory Smelosky, Peter Löthberg ... who
> else?
> I already have a stable GRE tunnel to A12RTR for a while now, and
> amlooking for end-points on other Cisco routers on HECnet to connect
> to. Iwill be coming in from IP address 45.62.248.66, DECnet node
> 1.919.
> If possible, please let me know what GRE end-points I can connect
> to.You can, of course, DM me too.
> Thank you.
> Supratim
> Reviving this request, now that I am on my own Area 31. Once
> again,seeking GRE tunnel end points from owners of CISCO switches, to
> the bestof my limited knowledge, perhaps Dave McGuire, Ian
> McLaughlin, BrianHechinger, Mark Darvill, Cory Smelosky and Peter
> Löthberg.
> My IP will be 45.62.248.66, DECnet node 31.1023 (IMPRTR).
> Thanks,Supratim
> 
> 
> 
> 
> 
> 
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