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FRRouting doesn't start after enabling SNMP AgentX #179

Open debdolph opened 10 months ago

debdolph commented 10 months ago

Important notices Before you add a new report, we ask you kindly to acknowledge the following:

Describe the bug A clear and concise description of what the bug is, including last known working version (if any).

Tip: to validate your setup was working with the previous version, use opnsense-revert (https://docs.opnsense.org/manual/opnsense_tools.html#opnsense-revert)

To Reproduce Steps to reproduce the behavior:

  1. Install 'os-net-snmp' package
  2. Go to 'Services/Net-SNMP'
  3. Enable 'Add AgentX Support' and save
  4. Go to 'Routing/General'
  5. Enable 'SNMP AgentX Support' and save
  6. It will not start again, Logs will show the errors below

Expected behavior FRR should start and its information exposed over SNMP.

Relevant log files

[root@firewall01 /usr/local/etc/frr]# service frr start Checking zebra.conf 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 100663303] if_ioctl(SIOCGIFMEDIA) failed: Inappropriate ioctl for device 2022/10/20 01:56:39 ZEBRA: [EC 4043309111] Disabling MPLS support (no kernel support) 2022/10/20 01:56:39 ZEBRA: [EC 100663304] ERROR: No such command on config line 12: agentx OK Starting zebra. loading module "snmp" failed: Shared object "snmp" not found, required by "zebra" /usr/local/etc/rc.d/frr: WARNING: failed to start zebra Checking bgpd.conf 2022/10/20 01:56:39 BGP: [EC 33554499] sendmsg_nexthop: zclient_send_message() failed 2022/10/20 01:56:39 BGP: [EC 33554499] sendmsg_nexthop: zclient_send_message() failed 2022/10/20 01:56:39 BGP: [EC 33554499] sendmsg_nexthop: zclient_send_message() failed 2022/10/20 01:56:39 BGP: [EC 33554499] sendmsg_nexthop: zclient_send_message() failed OK Starting bgpd. loading module "snmp" failed: Shared object "snmp" not found, required by "bgpd" /usr/local/etc/rc.d/frr: WARNING: failed to start bgpd

Additional context For some more information, see https://github.com/opnsense/plugins/issues/3166.

I also copied the log files from there…

Environment Software version used and hardware type if relevant. e.g.:

opnSense 23.7.4 amd64 / os-frr 1.36 / os-net-snmp 1.5_2

fichtner commented 10 months ago

Since you reported on 23.7.4… same for 23.7.5?

debdolph commented 10 months ago

Since you reported on 23.7.4… same for 23.7.5?

I suppose so, yes. I am currently unable to test and will test this tomorrow.

fichtner commented 10 months ago

I'm not so sure because:

https://github.com/opnsense/tools/commit/a5415d46139 https://github.com/opnsense/ports/commit/2d2e0b1c4c

I saw your report earlier but I started working on it after not having found the original report so I could not follow up that things have changed for 23.7.5.

debdolph commented 10 months ago 
root@gw:~ # /usr/local/etc/rc.d/frr start
Checking zebra.conf
2023/10/09 11:42:25 ZEBRA: [NNACN-54BDA][EC 4043309110] Disabling MPLS support (no kernel support)
2023/10/09 11:42:25 ZEBRA: [SHWNK-NWT5S][EC 100663304] No such command on config line 12: agentx
OK
Starting zebra.
frr_init: loader error: dlopen(/usr/local/lib/frr/modules/zebra_snmp.so): /usr/local/lib/libfrrsnmp.so.0: Undefined symbol "netsnmp_enable_subagent"
frr_init: loader error: dlopen(/usr/local/lib/frr/modules/snmp.so): Cannot open "/usr/local/lib/frr/modules/snmp.so"
frr_init: loader error: dlopen(snmp): Shared object "snmp" not found, required by "zebra"
/usr/local/etc/rc.d/frr: WARNING: failed to start zebra
Checking bgpd.conf
OK
Starting bgpd.
frr_init: loader error: dlopen(/usr/local/lib/frr/modules/bgpd_snmp.so): /usr/local/lib/libfrrsnmp.so.0: Undefined symbol "netsnmp_enable_subagent"
frr_init: loader error: dlopen(/usr/local/lib/frr/modules/snmp.so): Cannot open "/usr/local/lib/frr/modules/snmp.so"
frr_init: loader error: dlopen(snmp): Shared object "snmp" not found, required by "bgpd"
/usr/local/etc/rc.d/frr: WARNING: failed to start bgpd
fichtner commented 10 months ago

Yeah ok this is still broken in FreeBSD ports then. I'll try to fix it in time for 23.7.6 this week.

fichtner commented 10 months ago

Just to double check what is said for:

# pkg info frr8 | grep SNMP
debdolph commented 10 months ago 
root@gw:~ # pkg info frr8 | grep SNMP
    SNMP           : on
debdolph commented 10 months ago

Still broken in 23.7.6…

fichtner commented 10 months ago

I know 😉

fichtner commented 10 months ago

Tested https://github.com/opnsense/ports/commit/334eb5c2fbff today but the relevant build bits were already in place. Same result: it builds, it's broken on start. I can't spend more community time on this on the premise that nobody who can fix this uses it (apparently) or nobody really uses it at all. I am not a fan in general when it comes to adding activex support anyway. Might be confirmation bias here, but could also be a very fringe use case. Moving this to ports marking upstream.