Releases/Router/4.4.0

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ImageStream Linux Version 4.4.0-72 is now available as a general availability (GA) release for all ImageStream routers.

This software release is provided at no charge to all ImageStream customers. Version 4.4.0-72 is a maintenance release that is recommended for all customers who wish to utilize the latest software enhancements for their ImageStream router.

This release note documents commands and features added between version 4.3.1 and version 4.4.0-72.



Router Minimum Requirements:

The 4.4.0 distribution requires a minimum of 128 MB RAM and a 128 MB flash drive.



KNOWN BUGS/Missing functionality:

PPPoA support is non-functional. The 4.4.0 release currently has no PPPoA support as the pppoany module has not been ported from 2.4 to 2.6.



The following bugs have been fixed in Version 4.4.0:


Multicast problems with VLANs affecting OSPF

Version 4.4.0-71 fixes an uninitialzed field bug in the kernel which can cause multicast addresses to be removed instead of added to VLAN interfaces. This bug affects OSPF and can prevent neighbor packets from being received on an interface if VLANs are configured on that interface.

All customers who are running OSPF on VLAN interfaces should upgrade to release 71 or later.

PCI 530 DS3/E3 Fixes

Version 4.4.0-34 fixes a transmit timed out race condition in the 530-DE driver.

Multilink PPP small packet performance improvements

Version 4.4.0-63 changes the default transmit queueing method which dramatically reduces the number of dropped packets with small packet sizes and bursty traffic. This change improves Multilink PPP performance with 64, 128 and 256 byte packet sizes.



New Features in Version 4.4.0

4.4.0 utilizes the 2.6 kernel which adds many new features and performance improvements, SIP connection tracking, enhanced multi-processor support, and improved PPPoE/PPPoA/L2TP performance.



Detailed revision history:

revision 72

   date: 2010/07/28
   MLPPP: Fix interoperability bug with Cisco IOS 12.3+ negotiating IPCP
   and IP6CP on the bundle.
   Add ATM length calculation to QOS library. To use, simply add "--calc_atm" to
   your QOS_IFACE statement and increase the bandwidth values to the true ATM cell
   rate of your DSL or ATM link.
   Example for Embarq 3Mb / 512K service:
   QOS_IFACE --name brSerial0.1 --policy default --max_in 3520 --max_out 768 \
             --max_latency 150 --fair_queue --calc_atm

revision 71

   date: 2010/07/22
   OSPF/Multicast bugfix: Fix an uninitialized field bug with multicast
   addresses which could cause newly-added addresses on a VLAN to actually be
   removed from both the VLAN and master device instead of added. The
   da_synced field was not initialized to 0 and as soon as the address was
   added to the VLAN a sync was called to copy the address to the master, but
   with da_synced being uninitialized, if the value was non-zero the address
   would be removed.
   Symptoms of this bug are OSPF sometimes fails to see neighbors on VLAN
   interfaces or master interfaces when running a mixed tagged/untagged setup
   on the same interface. Setting either the master or VLAN into promiscuous
   mode (tcpdump, etc) would allow the OSPF neighbors to establish a session
   as it would allow for the reception of packets on the special multicast MAC
   address for the 224.0.0.5 group.

revision 70

   date: 2010/07/19
   PPP: Don't restart LCP if IPCP times out - not the right thing to do and
   can lead to kernel panic.

revision 69

   date: 2010/07/01
   MLPPP: Ignore LCP requests with multilink headers. If IPCP is negotiated on
   the multilink bundle instead of an individual link, don't attempt to
   restart LCP on the multilink bundle if IPCP times out.

revision 68

   date: 2010/06/25
   PPP: Fix a problem with IPv6CP not being negotiated from the timeout
   procedure.

revision 67

   date: 2010/06/17
   Inetics: Re-enable IPv6 negotiation by default in PPP.

revision 66

   date: 2010/06/15
   Add daemon keepalives to quagga daemons.

revision 65

   date: 2010/06/11
   Recompile iptables/xtables modules to match kernel change in release 62.

revision 64

   date: 2010/06/09
   SNMP: Update to version 5.5 which fixes a problem with an off-by-one interface
   index problem caused by an IPv6 tunnel interface in the 2.6 kernel.
   dhcprelay: Bind to the first client IP address and use this address
   as the "gateway" IP reported to the server.
   Quagga: Update to version 0.99.16. Also fix the menuTitle path that changed
   and caused init scripts to throw errors in release 62.

revision 63

   date: 2010/05/18
   MLPPP: Do not strip off PPP header in the decapsulate function which fixes a bug
   where a queued packet would have its PPP header removed. Normally packets are
   sent immediately, but a control packet sent while the device was one packet
   away from being full would trigger this bug.
   530-DE: Increase the hardware queueing from 1.9 ms to 24 ms. Also add locking
   around the rx interrupt routine and go ahead and process the rx and tx queues
   from the interrupt routine if hardware is down (OOF set).
   Configmgr: Change the default queueing discipline to byte fifo (BFIFO) instead
   of the PFIFO which counted packets. This allows precise control of maximum
   latency and avoids problems with dropped packets when dealing with a burst
   of small packets. Queue lengths are set to 100 ms for T1/E1 and 50 ms for
   DS3/E3/OC3/OC12 and 10/100/1000 Ethernet. VLANs and tunnels default to 50 ms
   at the 100 Mbps rate which still provides 5 ms at GigE.
   Configmgr: new command keyword added to allow setting the tx queue length in
   terms of bytes: "hold-queue <length in bytes> bytes". So to set the queue length
   on a T1 to 50 ms or 9600 bytes (1,536,000/8 = 192,000 bytes per second / 20 )
   why /20? because 50 ms is 0.05 seconds and 1/0.05 is 20 (one-twentieth of a
   second).

revision 62

   date: 2010/05/07
   Ramdisk resize: resize prior to extracting configuration to avoid an out
   of space condition with large configurations.
   Remove gated menu options to fix a problem with long pathnames. This fixes
   menu bugs with certain Quagga menu items not functioning properly such as
   the OSPF enable script.
   SNMP bugfix: Add sensors library to fix the broken snmpd daemon caused by
   the new sensor package in release 60.

revision 61

   date: 2010/05/05
   Add support for the new R8168 GigE drivers for the R1 Atom board.

revision 60

   date: 2010/04/29
   Voltage/Temperature sensors now function but may not show correct ALARM
   status.

revision 59

   date: 2010/04/29
   Add Coova-Chilli captive portal package.

revision 58

   date: 2010/04/26
   Disable kernel preempt to avoid some locking issues with the e1000 driver.

revision 57

   date: 2010/04/23
   Forced speed/duplex now takes the interface down prior to setting.
   Previously if the interface was up and transferring traffic a bug in the
   Intel E1000e driver could be triggered when restarting N-Way
   autonegotiation. This bug would lead to an overload of kernel debug
   statements about scheduling while not atomic. Taking down the interface
   when changing speed or duplex on an interface solves this problem.
   
   ADSL(PCI 300): Update to latest firmware/hardware driver.
   530-TEJ: Fix a bug which prevented the configuration of 56K timeslots.
   PPP: Fix a negotiation problem which caused an entire IPCP configure
   request to be rejected when the peer was asking for his IP address and an
   unsupported parameter was present. We now NAK the request for his IP
   address but only if we accept all other parameters. The symptom of this
   problem was that protocol would come up for a fraction of a second and go
   back down until the next configure cycle.

revision 56

   date: 2010/04/05
   PPP: bwlimit_iface: change default setting of verbose to off.
   Inetics: Compile configmgr shared in RBE to avoid PPPoE/PPPoA server crash.

revision 55

   date: 2010/03/29
   Remove NO_HZ option from the kernel which was causing problems on certain
   hardware platforms.

revision 54

   date: 2010/03/10
   PPP: Fix a RADIUS plugin bug which caused the ppp daemon to hand out a pool
   IP address instead of the RADIUS server assigned IP and also failed to
   negotiate because the peer was not authorized to use the pool IP.

revision 53

   date: 2010/02/26
   Configmgr: Fix a bug which caused RADIUS information to be ignored for
   Virtual Template interfaces other than the first.
   Change default PPPoE/PPPoA bwlimit type from POLICER to HTB.

revision 52

   date: 2010/02/22
   Bridging: Use 1024 bytes instead of 1900 for the command length as bash can
   fail at around 1890+.
   530-TEJ: Fix an Rx overflow problem that could cause a port to stop receiving
   data in channelized mode when the T1/E1 loses signal and comes back.

revision 51

   date: 2010/02/03
   Fix problems with bridges not removing IP addresses properly.
   Fix shutdown problems with bridges, Ethernet, VLANs and tunnels.
     - If an interface was marked as shutdown when Inetics loaded the interface
         could not be brought up without changing a parameter on the interface.

revision 50

   date: 2010/02/02
   Add ltmodem support for dialout-ppp.

revision 49

   date: 2010/01/29
   Revert back to Quagga 0.99.15 without MPLS support to resolve IPv6 problems.
   Add BGP scan timer load check to avoid a condition where the workqueue is
   never able to be depleted due to lack of CPU time.

revision 48

   date: 2010/01/21
   Recompile kernel with virtualization support.
   dhcprelay: Fix a crash bug in options parsing from malformed packets.
   Inetics: All interfaces now default to point-to-point which eliminates
   the need to set the point-to-point flag in Quagga for OSPF.

revision 47

   date: 2010/01/18
   Add RADIUS login support.

revision 46

   date: 2010/01/15
   Configmgr bugfix: Allow PPPoE server mode to run on bridge interfaces (bvi).

revision 45

   date: 2010/01/13
   Bugfixes for TACACS+ login support.

revision 44

   date: 2010/01/11
   Fix TACACS+ login support so local users do not have to be present in
   /etc/passwd.
   Add OSPFv3 (ospf6d) support for OSPF and IPv6.

revision 43

   date: 2009/12/21
   Kernel: Add support for the latest Intel E1000e chipsets.
   Inetics: Fix a long-standing bug with Frame Relay IARP replying with 0.0.0.0
   as our IP.
   Failsafe: Fix a kernel boot bug with older ramdisks that had serial numbers.

revision 42

   date: 2009/12/07
   Allow multiple ip helper commands (DHCP Relay)

revision 41

   date: 2009/11/17
   Add Quagga 0.99.15 with MPLS and LDP support.

revision 40

   date: 2009/11/13
   Add pufq support to qos library.

revision 39

   date: 2009/10/27
   Add Quagga 0.99.15.

revision 38

   date: 2009/10/20
   Configmgr: missed a commit that fixes argument parsing for user chains. Previously
   only the first argument was read.

revision 37

   date: 2009/10/14
   Add logger and eth_header user chains to allow cross-connecting a WAN port
   with Ethernet.

revision 36

   date: 2009/10/08
   Add new QoS library and default QoS script for low latency queueing and class-based
   queueing.

revision 35

   date: 2009/10/06
   Change transmit queue on VLANs from 0 to 1000 so QoS can be configured.
   Dead gateway detection now only works on the default route so that
   interface routes don't get routed out a default gateway on wireless networks
   that throttle ARP requests.

revision 34

   date: 2009/09/16
   sandcore: Call hardware reset routine via workqueue (thread context can sleep)
   440: Add hardware reset routine which calls load_firmware().
   configmgr-ppp: Add load average and memory limits based on free + cache.
   date: 2009/09/18
   PPP: Don't initiate IPV6CP by default but respond if the other end request it.
   Also clean up include files to allow compilation under 4.2
   530-DE: Fix a race condition bug which caused the driver to detect a transmit
   timeout when none had really occurred.
   This race was much more likely to occur when a substantial amount of traffic
   is transmitted from a userspace thread such as OpenVPN rather than forwarded
   from another card in interrupt context.

revision 33

   date: 2009/09/04
   ISDN fixes and updates.
   Add preliminary IPv6 support to configmgr and PPP (IPV6CP support).

revision 32

   date: 2009/08/26
   Add support for the new PMC version of the QuadISDN adapter.

revision 31

   date: 2009/08/23
   DHCP server: Fix a segmentation fault problem with the recent shared-network update.

revision 30

   date: 2009/08/19
   Add fixed Quad-port ISDN driver. Fix image-based update scripts to support
   images larger than 25 MB.

revision 29

   date: 2009/08/19
   Add support for Image-based updates.

revision 28

   date: 2009/08/14
   POS OC3: Use watchdog polling again for hardware status detection.
   Asterisk: Add support for Asterisk 1.4.26.1, dahdi 2.2.0.1 and web-gui 2.0.4.

revision 27

   date: 2009/07/30
   Add support for Perl 5.10.0 add-on package.

revision 26

   date: 2009/07/29
   Add POS/OC3 support for the 4.4 distro.
     Support multiple cards and integrate latest OC3/OC12 DDK.
   Sandnone: Increase max rx buffers to 512 for high speed.

revision 25

   date: 2009/07/26
   dhcp server: Allow multiple subnets per interface via automatic shared
   network support for subnets on the same interface.

revision 24

   date: 2009/07/06
   Configmgr: Fix ISDN shutdown problem with 4.4. Fix for ISDN switch protocol not
   being set with 4-port card.

revision 23

   date: 2009/07/02
   Add snmpset utility.

revision 22

   date: 2009/06/30
   Quagga: Add 0.99.13 which fixes a problem with BGP and IPv6. Also added
   support for ospf6d.

revision 21

   date: 2009/06/23
   Add updated sed utility.

revision 20

   date: 2009/06/18
   Add ixb Intel GigE driver.
   Patch to kernel to remove WARN_ON debug message in skb_gso_segment() which
   was causing certain routers with bridging and vlan configurations to become
   overloaded and drop packets.

revision 19

   date: 2009/06/16
   Added powercode package.

revision 18

   date: 2009/06/12
   Added iptraf/iftop to stats.
   Fix a firewall status bug that didn't detect when NAT is loaded and would not offer
   to show NAT rules.

revision 17

   date: 2009/06/11
   Fix ADSL problem overwriting chap & pap secrets file when each client launches.
   Add "ppp debug" option to ADSL & BRI interfaces.

revision 16

   date: 2009/06/09
   Recompile with 586 support for Transports.

revision 15

   date: 2009/06/05
   Update 300 series ADSL driver with hardware status support.

revision 14

   date: 2009/05/22
   OpenSSH: Update to 5.2p1
   OpenSSL: Update to 0.9.8k

revision 13

   date: 2009/04/30
   Quagga: Bugfix for bgpd crash on long 32-bit ASNs:
   (http://lists.quagga.net/pipermail/quagga-users/2009-February/010342.html)

revision 12

   date: 2009/04/23
   Added pcnet32 net driver for VMs.

revision 11

   date: 2009/04/02
   Add ISis300 PCI ADSL2/2+ support.

revision 10

   date: 2009/02/24
   Add the Envoy reboot patch to Envoy routers properly soft reboot.

revision 9

   date: 2009/02/13
   Fix for BGP TCP/MD5 with Quagga 0.99.11.

revision 8

   date: 2009/02/04
   POS/OC12: Change DDK to use wait queues instead of semaphores and debug level
   from 9 to 7 to avoid long boot times.

revision 7

   date: 2009/02/03
   POS/OC12: Really add the new ddk.

revision 6

   date: 2009/02/03
   POS/OC12: Added xsconsole debug utility, update OC12 firmware to fix a problem
   with high number of phy interrupts caused by the last update.

revision 5

   date: 2009/01/30
   Recompile kernel and modules in original build environment.

revision 4

   date: 2009/01/27
   POS/OC12: Remove Rx patch for the OC12 DDK.
   520,600/800,POS/OC12,1000: Added proprietary license.

revision 3

   date: 2009/01/23
   POS/OC12: Add support for jumbo frames via ethernet cross connect up to 9K.

revision 2

   date: 2009/01/17
   Kernel: Added tcp advanced congestion routines to allow better performance
   on satellite links.
   Added all current addon package support from 4.2.12.

revision 1

   date: 2008/12/11
   Start of 4.4.0 from 4.4.0-pre53



Detailed revision history for 4.4.0-pre:

revision 53

   date: 2008/12/09
   RADIUS: Fix NULL pointer dereference if no gateway is sent for the Framed-Route option.

revision 52

   date: 2008/12/08
   E1000/E1000E: Set netdev->irq right before request_irq(). It wasn't being set at
   all resulting in configmgr's inability to set up SMP affinity.
   Configmgr: Run the SMPAffinity routine after interfaces are brought up because under
   2.6 some ethernet devices have their IRQs remmaped on open.
   ATM: Fix encapsulation aal5autoppp so that it will properly sense frames without SNAP
   headers. Previously we required SNAP headers to autosense. Now we also switch our transmit
   mode between SNAP and MUX PPP to match the frames being received.

revision 51

   date: 2008/12/08
   Fix e1000/e1000e drivers to add netdev->irq so smp affinity works from configmgr.

revision 50

   date: 2008/12/06
   e1000e driver: Change watchdog interval from 2s to 1s so stats updates properly.
   Fix a tx spinlock issue that was causing requeues. This driver was using a common
   adapter->tx_queue_lock in both the tx and tx_cleanup routines. The e1000 driver
   uses a tx_ring->tx_lock for the tx routine and the adapter->tx_queue_lock for the
   tx_cleanup routine. I changed the e1000e driver to use 2 locks like the e1000 driver.

revision 49

   date: 2008/12/04
   Increase per-process file limit from 1024 to 8192 in /usr/share/profile.d/00enviroment.sh
   so L2TP can support more than 512 tunnels.

revision 48

   date: 2008/12/02 17:46:29;  author: sandcomp;  state: Exp;  lines: +1 -1
   Integrage l2tp support with configmgr. Also use my original ippool with pppd.
   Update quagga to 0.99.10 from 4.2.12.

revision 47

  date: 2008/11/12
  440: Added a global 5 second delay in sand_probe() for to allow cards with old
  firmaware to initialize. This workaround is needed on systems with a mix of old
  and new cards.
  configmgr: Remove the sethorizon option for brctl from distributions other than
  4.4.0-pre which don't support it.

revision 46

  date: 2008/11/10
  440: Update to June 30 drivers which fixes a stuck transmitter bug and an initialization problem on cards with older firmware.
  

revision 45

  date: 2008/11/04
  SAND: Fix a problem with some protocols that use sand_hw_driver_xmit() that
  wasn't being exported properly.

revision 44

  date: 2008/11/03
  Add conntrack util support. We can now add/remove/list connections as well
  as flush the entire table.

revision 43

  date: 2008/10/31
  Add custom ethernet modprobe for RR1000-GE to probe E1000 first.
  

revision 42

  date: 2008/10/29
  Remove udp_csum call that was causing a kernel panic when sessions were being
  torn down. Fix socket usage count by adding an extra sock_put() call to the
  session teardown code. This call should be placed elsewhere but I don't know
  exactly where it belongs.

revision 41

  date: 2008/10/23
  Upadted kernel, added Wireless Extensions.  Needed to support madwifi.
  Updated udhcp package from 0.

revision 40

  date: 2008/10/14
  Port pppd/radius plugin patches from 2.4.2b3 and change openl2tp to not load
  the pppd radattr.so plugin that depends on the other radius plugin.

revision 39

  date: 2008/10/03
  Added ext3 resizing support to allow ramdisk resizing.
  Changed the ramdisk to be an ext3 filesystem with only 1M journal (smallest possible).

revision 38

  date: 2008/10/02
  Added e1000e PCI Express driver for the Intel E1000.
  QOS: Remove /etc/rc.d/rc.router/S90QOS symlink from the package. This prevented users from disabling QOS on startup.

revision 37

  date: 2008/09/24
  Added updated software packages for openl2tp version 1.15, pppd 2.4.4
  and ippool-1.3 which is a network-based IP pool manager allowing pools
  to be shared between routers.


revision 36

  date: 2008/09/19
  POS/OC3/OC12: Added support for ethernet cross-connect for the OC12 port to
  provide line rate down to 256 byte packets.
  New command:
   service-module oc12 xconnect eth3
   Specify the cross-connect ethernet device name using old-school Linux names for 4.4.0-pre.
   You must have a GigE SFP in the bottom port on the OC12 card cabled to another GigE port on the router. That other
   GigE port is the port you specify in the service-module xconnect command.
  
   *note* For copper SFPs, use a straight through cable to connect the GigE ports. Fiber should be crossed over
   Tx <-> Rx.
  
   *IMPORTANT* Be sure to configure IP addresses on the cross-connect Ethernet device and not the OC12 Serial device!
   Several changes were made to Inetics and our xs155 driver to support x-connect:
        - Hardware status (netif_carrier) follows protocol status for the OC12 serial interface.
                This required finally implementing the proto_change chain execution and registering
                a proto_change callback chain for the xs2000.
        - Configmgr has hooks to set up bandwidth limits on Ethernet devices. The xs155 hardware
          module for configmgr sets up a 601 Mbps tx rate limit on the cross-connect device. I just
          call the same configure_port_bwlimit() function that I call for protocol subs. It sets
          up a single HTB qdisc+class with the proper rate and r2q values for the rate.


  PPP: For testing purposes added a command to ignore loopback. This should disable loopback detection
  for all L2 protocols. Right now PPP is the only one which does loopback detection.
  New command:
    ignore-loopback
  Stats: for ethernet devices make protocol status follow hardware status (down/up didn't make sense!)

revision 35 date: 2008/09/08

  xs155: Remove all periodic watchdog timers -- lockup was observed in xs155_sleep().
  What those timers do has not been debugged with the new DDKs.

revision 34 date: 2008/09/03

  More (hopefully final) fixes for the POS/OC12 driver. Also fix SAND so it brings
  up interfaces before adding IPs so Quagga sees interface routes properly
  under 2.6.

revision 33

  date: 2008/08/28
  Revert back to 0.99.7 for velocity online

revision 32

  date: 2008/08/27
  Finally fix problems with locking around the hw_xmit function to allow the sand_tx_callback
  to properly retransmit control packets that had to be queued. The last commit had problems
  and resulted in lockups, BUG: Scheduling while atomic errors.

revision 31

  date: 2008/08/25
  sandcore/protocols: Call netif_carrier_on/off on proto up/down for kernel >= 2.6.23
  Also change all protocols to call dev->hard_start_xmit() directly again for kernel >= 2.6.23
  instead of dev_queue_xmit(). I will have to check all hardware drivers to ensure they
  don't call the sand_tx_callback with interrupts disabled or their own device spinlocks
  held. They shouldn't and my old drivers didn't.
  What does this mean?
  Pros:
  1) Solve the SMP race bug where setting dev->tx_queue_len++ didn't really guarantee your keepalive packet would get transmitted.
  2) Allow netif_carrier_on/off() to be called so the Linux networking layers won't send us packets and we get proper interface status from the kernel and Quagga.
  
  Cons:
  1) It's now possible for the hardware driver's tx routine to get reentered. All our hardware drivers should already have lock protection in them.
  2) Calling dev_queue_xmit() instead of the hardware xmit was the original solution to some transmit timeout errors with proto subs but that code has been totally rewritten.
  3) You won't see L2 protocol packets in tcpdump anymore (maybe a pro)

revision 30

  date: 2008/08/22
  Remove tickless kernel support - back to 1000 HZ. Add the dead route patch.

revision 29

  date: 2008/08/13
  Recompile with tickless kernel.

revision 28

  date: 2008/08/04
  Install latest vconfig recompiled without c++ dependancy.
  Install current libstdc++ library from gcc 3.3.4 required by Squid, Snort and
  our upcoming configmgr.

revision 27

  date: 2008/07/31
  Fix broken OC12 driver from last temp release -- I broke it with compatability code
  designed to make the xs155.o driver still compile against the old ddk/oc3 card.

revision 26

  date: 2008/07/30
  xs155: Fix Rx corruption bug. Add xssfpdiag and a script to run it and fetch
  information on card 0 port 0 (sfp_diag) temporarily to sand.

revision 25

  date: 2008/07/22
  Fix openvpn server mode script bug that logged authentication requests to /tmp/scott

revision 24

  date: 2008/06/25
  Increase RAMDISK size to 54MB from 45 MB.
  Add latest SAND package with new xs155 driver -- (xs-2000) OC12 support.
  Add lspci to base binaries.

revision 23

  date: 2008/06/02
  Add support for addon hard drive, apache and wireshark. Add dev files
  for hd[bcdefgh] from the latest 4.2.12-pre beta.
  Add kernel support for ext3 and DMA on hard drives.

revision 22

  date: 2008/03/27
  Added new tcpdump

revision 21

  date: 2008/03/24
  Add latest quagga/mpls code.

revision 20

  date: 2008/03/17
  Opencalea: Add syslog debugging to tap and lea_collection. Add statistics file to both
  programs as well. tap is in /tmp/tap_%d.status (pid) and lea_collection is
  /tmp/collector_%d.status (pid).

revision 19

  date: 2008/03/10
  Add Web administration base package.

revision 18

  date: 2008/02/21
  Fix IPv6 iproute2 command support in configmgr.

revision 17

  date: 2008/02/20
  Compiled in IPv6 support into kernel.
  Removed IPv6 kernel module from kernel-modules package.
  Add binaries ping6, traceroute6, tracepath6 to Base-networking package.
  Added support for IPv6 tunnels to iproute2 ip command.

revision 16

  date: 2008/02/15
  Add Quagga 0.99.9 with MPLS patches, ldpd and rsvpd.

revision 15

  date: 2008/02/06
  Add split horizon support to bridging.

revision 14

  date: 2008/02/05
  Recommitting everything due to corrupted repository.

revision 13

  date: 2008/02/04
  Fix for kernel panic when frames > dev->mtu are sent via mpls tunnel.

revision 12

  date: 2008/02/01
  Change skb headroom from 16 to 32.

revision 11

  date: 2008/01/30
  Fixes to allow VPLS bridging over MPLS.

revision 10

  date: 2008/01/25
  Change mpls core to allow baby giants up to 40 bytes > device MTU for
  bridged mpls packets.

revision 9

  date: 2008/01/23
  Added MPLS ebtables kernel modules.

revision 8

  date: 2008/01/15
  Added quagga 0.99.6 with MPLS support.

revision 7

  date: 2008/01/09
  Added base MPLS support.

revision 6

  date: 2007/12/17
  Add missing NOTRACK target.

revision 5

  date: 2007/12/14
  Add tulip/LMC/SBE patch

revision 4

  date: 2007/12/13
  Added KVM support and USB mass storage support.

revision 3

  date: 2007/12/12
  Fix loopback support - use modprobe for dummy not insmod

revision 2

  date: 2007/12/07
  Rev to rel2

revision 1

  date: 2007/11/19
  Start of 4.4.0-pre cut from 4.3.1-13. This tree is designed for 2.6 support for all routers.
  For now I have ethernet and most wan card support. This release is for SIP NAT and
  conntrack support for a Rebel customer.
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