Opened 11 years ago
Closed 11 years ago
#1211 closed (fixed)
InstaGENI OpenFlow stops working over stitched link
Reported by: | lnevers@bbn.com | Owned by: | somebody |
---|---|---|---|
Priority: | major | Milestone: | |
Component: | GPO | Version: | SPIRAL6 |
Keywords: | acceptance | Cc: | nick.bastin@gmail.com |
Dependencies: |
Description
Numerous experiments that use the emulab OpenFlow extension over stitched links have worked up to April 22nd (Tuesday). But now it no longer works. Sliver creation is successful, but there are no attempts from the rack switches to connect to user specified OpenFlow controller.
For example, in a scenario where a slice is created that connects two InstaGENI racks, the sliver has VLAN 3711 but no attempt was made from either of the IG switches to connect to the specified OF Controller. One of the IG switches shows:
HP-E5406zl# show openflow 3711 Openflow Configuration - VLAN 3711 Openflow state [Disabled] : Enabled Controller pseudo-URL : tcp:192.1.249.185:33020 Listener pseudo-URL : ptcp:5018 Openflow software rate limit [100] : 100 Openflow connecting max backoff [60] : 60 Openflow hardware acceleration [Enabled] : Enabled Openflow hardware rate limit [0] : 0 Openflow hardware stats max refresh rate [0] : 0 Openflow fail-secure [Disabled] : Enabled Second Controller pseudo-URL : Third Controller pseudo-URL : Openflow Status - VLAN 3711 Switch MAC address : 84:34:97:C6:C9:00 Openflow datapath ID : 0E7F843497C6C900 Controller connection status (1/1) : disconnected ; state: CONNECTING Last error: Operation timed out ; timeout: 33/60 ; duration: 694 Listening connection status : listening (1 connections) SW Dpif n_flows: 0 ; cur_capacity:1 ; n_lost: 0 n_hit: 0 ; n_missed: 23 ; n_frags: 0 Number of hardware rules: 0
I verified that I can connect from the racks back the controller port (192.1.249.185 port 33019). Also there are numerous VLAN listed for OpenFlow on the GPO IG switch all from my testing except for (10.3.1.7:6633).
According to Niky, there is an existing issues where there is no OF VLAN clean up on the IG switches (not sure about the state for the clean up issue). The list of VLANs on the GPO IG switch, not sure if it plays a role in the current state of the switch
HP-E5406zl# show openflow Openflow Configuration Openflow aggregate VLANs [Disabled] : Openflow aggregate management VlanId [0] : 0 Openflow second aggregate management VlanId [0] : 0 Openflow aggregate configuration VlanId [0] : 0 VID State HW Active controller Pseudo-URL Conn ---- ----- --- -------------------------------------------------- ---- 263 On On tcp:192.1.249.135:1718 No 1750 On On tcp:10.3.1.7:6633 Yes 1755 On On tcp:10.3.1.7:6633 Yes 1756 On On tcp:10.3.1.7:6633 Yes 1757 On On tcp:10.3.1.7:6633 Yes 1758 On On tcp:10.3.1.7:6633 Yes 1759 On On tcp:10.3.1.7:6633 Yes 3706 Off On tcp:192.1.249.185:33020 No 3707 Off On tcp:192.1.249.185:33020 No 3708 Off On tcp:130.127.88.98:9000 No 3709 Off On tcp:192.1.249.185:33019 No 3710 Off On tcp:130.127.88.98:33020 No 3711 On On tcp:192.1.249.185:33020 No 3713 Off On tcp:192.1.249.185:33020 No 3714 On On tcp:192.1.249.135:1716 No 3715 Off On tcp:192.1.249.185:3015 No 3716 Off On tcp:mallorea.gpolab.bbn.com:33020 No 3717 Off On tcp:130.127.88.98:33020 No 3718 Off On tcp:192.1.249.185:33020 No 3719 Off On tcp:192.1.249.185:33019 No 3721 On On tcp:130.127.88.98:9000 No 3722 Off On tcp:130.127.88.98:9000 No 3723 Off On tcp:192.1.249.185:33019 No 3724 Off On tcp:130.127.88.98:9000 No 3725 Off On tcp:192.1.249.185:3015 No 3726 Off On tcp:192.1.249.185:33020 No 3727 Off On tcp:192.1.249.185:33020 No 3729 Off On tcp:192.1.249.185:33020 No 3730 Off On tcp:130.127.88.98:9000 No 3731 Off On tcp:192.1.249.185:33019 No 3732 On On tcp:130.127.88.98:9000 No 3746 On On tcp:192.1.249.135:1716 No 3747 Off On tcp:192.1.249.185:33019 No 3749 On On tcp:192.1.249.185:33019 No
It turns out this problem was due to the FlowVisor VM:
On 4/25/14, 10:34 AM, Nicholas Bastin wrote:
Closing ticket.