[f-nsp] IPv6 on MLX stopped working
Youssef Bengelloun-Zahr
youssef at 720.fr
Tue Jun 16 05:19:04 EDT 2015
Hello Jethro,
My comments inline.
BR.
2015-06-16 9:59 GMT+02:00 Jethro R Binks <jethro.binks at strath.ac.uk>:
> After a long time being spooked by release notes(!), and reviewing the
> various conversations about good/bad versions, I went for 5600fb over the
> last few days on three core MLXs.
>
> I had high CPU issues in ip_rx on my second MLX after the upgrade where it
> was trunked and in metro-rings with the third which hadn't been upgraded,
> however when I upgraded that other MLX it all settled down (was previously
> running either 5500c or 5300c).
>
> I certainly seem to be over the nasty multicast and snmp problems I was
> having, so looking good for me on 5600fb so far.
>
==> 05600 being the target path, I have been waiting for two years now to
find the lucky charm and upgrade my core (running a mix of 54b and 54d).
Why does it feel with Brocade that upgrading is like playing the russian
roulette ?
>
> For reference, here is a summary of the data points gleaned from the
> worthy members of this list over the last few months:
>
> 5.7c to get X2 hardware support, fixes an SNMP issue
>
> 5.6g mid-june ('part of "Target Path"'), fixes DEFECT000541038 concerns
> ssh process and causes MP crash and failover on MLX in 5.6f - this issue
> also affects 5.7 until 5.7c. There is also a 5.6fb version which has an
> ssh process fix.
>
==> Initial GA was mid-june but it has been confirmed to me that it's
postponed to end of August.
>
> 5.6f reported by one user good for long time, many defects from 5.6e fixed
>
> 5.6d is supposed to fix various issues
>
> 5.6c has been noted to be buggy
>
> 5.6b has been noted to have security issue, and sflow defect fixed in 5.6c
>
> 5.5d has been noted to be stable for 5.5.
>
> 5.5e reported ipv6/is-is problems DEFECT000500944, fixed in some 5.6
>
> Jethro.
>
>
>
> On Mon, 15 Jun 2015, Daniel Schmidt wrote:
>
> > FYI - I'm running 5.6.00fb, they told me I was hitting that but on 05600b
> >
> > On Mon, Jun 15, 2015 at 12:07 PM, Mike Allen <mkallen at gmail.com> wrote:
> >
> > > There is actually a quick patch for the SSH bug, use 5.6.00fb. Agreed
> on
> > > the release notes, its a double edged sword. Some people want to know
> all
> > > the bugs, others will use all the bugs as ammo. The reality is
> everyone
> > > has software bugs, the difference is how many they tell you about.
> > >
> > > Mike
> > >
> > > On Mon, Jun 15, 2015 at 9:40 AM, Youssef Bengelloun-Zahr <
> youssef at 720.fr>
> > > wrote:
> > >
> > >> Watch out for 05600f as it is affected by a nasty SSH bug.
> > >>
> > >> 05600g is due by August 31st.
> > >>
> > >> Best regards.
> > >>
> > >>
> > >>
> > >> > Le 15 juin 2015 à 17:55, Eldon Koyle <
> > >> esk-puck.nether.net at esk.cs.usu.edu> a écrit :
> > >> >
> > >> > 05600b is a pretty early version. I think the latest is 05600f.
> > >> >
> > >> > I try not no look too closely at release notes, as they can cause
> > >> > various undesirable emotions ranging from depression to sheer
> terror.
> > >> >
> > >> > --
> > >> > Eldon Koyle
> > >> >
> > >> >> On Jun 15 16:55+0200, "Rolf Hanßen" wrote:
> > >> >> Hello,
> > >> >>
> > >> >> anybody seen such behaviour on a MLX yet?
> > >> >> IPv6 stopped working for a ve interface, re-entering the IP solved
> it.
> > >> >> As far as I see this affected only that interface/IP.
> > >> >>
> > >> >> Ironware: 05600b
> > >> >> Cards: NI-MLX-MR with NI-MLX-10Gx4 NI-MLX-10Gx2 NI-MLX-1Gx20-SFP
> > >> >>
> > >> >> SSH at de-dus-dc2-gw-001#sh run int ve 1359
> > >> >> interface ve 1359
> > >> >> port-name resolver1
> > >> >> ip address x.x.x.x/30
> > >> >> ipv6 address XXXX:XXXX:200:5::1/64
> > >> >> ipv6 enable
> > >> >> ipv6 nd suppress-ra
> > >> >>
> > >> >> SSH at de-dus-dc2-gw-001#ping ipv6 XXXX:XXXX:200:5::1
> > >> >> Sending 1, 16-byte ICMPv6 Echo to XXXX:XXXX:200:5::1
> > >> >> timeout 5000 msec, Hop Limit 64
> > >> >> Type Control-c to abort
> > >> >> Request timed out.
> > >> >> No reply from remote host.
> > >> >>
> > >> >> SSH at de-dus-dc2-gw-001#sh ipv6 route XXXX:XXXX:200:5::1
> > >> >> Type Codes - B:BGP C:Connected I:ISIS L:Local O:OSPF R:RIP S:Static
> > >> >> BGP Codes - i:iBGP e:eBGP
> > >> >> ISIS Codes - L1:Level-1 L2:Level-2
> > >> >> OSPF Codes - i:Inter Area 1:External Type 1 2:External Type 2
> > >> >> STATIC Codes - d:DHCPv6
> > >> >> Type IPv6 Prefix Next Hop Router Interface
> > >> >> Dis/Metric Uptime src-vrf
> > >> >> 1 C XXXX:XXXX:200:5::/64 :: ve 1359
> > >> 0/0
> > >> >> 151d
> > >> >>
> > >> >> SSH at de-dus-dc2-gw-001#sh ipv6 neighbor
> > >> >> Total number of Neighbor entries: 5
> > >> >> Type Codes - *:Static
> > >> >> Entries in default VRF:
> > >> >> IPv6 Address VLAN LinkLayer-Addr
> State
> > >> >> Age Port R
> > >> >> ...
> > >> >> 4 fe80::250:56ff:fe9e:33c2 1359 0050.569e.33c2
> STALE
> > >> >> 12 4/2 0
> > >> >> 5 XXXX:XXXX:200:5::2 1359 0050.569e.33c2
> > >> DELAY 2
> > >> >> 4/2 0
> > >> >>
> > >> >>
> > >> >> SSH at de-dus-dc2-gw-001#conf t
> > >> >> SSH at de-dus-dc2-gw-001(config)#int ve 1359
> > >> >> SSH at de-dus-dc2-gw-001(config-vif-1359)#no ipv6 address
> > >> XXXX:XXXX:200:5::1/64
> > >> >> SSH at de-dus-dc2-gw-001(config-vif-1359)#ipv6 address
> > >> XXXX:XXXX:200:5::1/64
> > >> >> SSH at de-dus-dc2-gw-001(config-vif-1359)#exit
> > >> >> SSH at de-dus-dc2-gw-001(config)#exit
> > >> >> SSH at de-dus-dc2-gw-001#ping ipv6 XXXX:XXXX:200:5::1
> > >> >> Ping self done.
> > >> >> SSH at de-dus-dc2-gw-001#
> > >> >>
> > >> >> kind regards
> > >> >> Rolf
> > >> >>
> > >> >> _______________________________________________
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> > >> >> http://puck.nether.net/mailman/listinfo/foundry-nsp
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> > >
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> >
> > --
> >
> > E-Mail to and from me, in connection with the transaction
> > of public business, is subject to the Wyoming Public Records
> > Act and may be disclosed to third parties.
> >
>
> . . . . . . . . . . . . . . . . . . . . . . . . .
> Jethro R Binks, Network Manager,
> Information Services Directorate, University Of Strathclyde, Glasgow, UK
>
> The University of Strathclyde is a charitable body, registered in
> Scotland, number SC015263.
> _______________________________________________
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>
--
Youssef BENGELLOUN-ZAHR
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