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Set only if at least one peer is in passive mode.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
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Modify bgp_network.c to use a peer_connection as
it's prime parameters.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Make it so.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Effectively a massive search and replace of
`struct thread` to `struct event`. Using the
term `thread` gives people the thought that
this event system is a pthread when it is not
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Done with a combination of regex'ing and banging my head against a wall.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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With current release, forcin the source ip address when setting up a BMP
connection is not possible.
The need is to add an extra parameter for the following vty command:
router bgp 65500
bmp targets AAA
bmp connect 2.2.2.2 port 666 min-retry 100 max-retry 700
bmp connect 2:2::2:2 port 666 min-retry 100 max-retry 700 [source-interface lo1]
Signed-off-by: Francois Dumontet <francois.dumontet@6wind.com>
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If the existing listener is the same as the peer, treat as self and reject.
```
exit1-debian-11# sh bgp listeners
Name fd Address
---------------------------
default 24 192.168.10.123
exit1-debian-11# con
exit1-debian-11(config)# router bgp
exit1-debian-11(config-router)# neighbor 192.168.10.123 remote-as external
% Can not configure the local system as neighbor
exit1-debian-11# sh bgp listeners
Name fd Address
---------------------------
default 24 0.0.0.0
default 25 ::
exit1-debian-11# con
exit1-debian-11(config)# router bgp
exit1-debian-11(config-router)# neighbor 192.168.10.123 remote-as external
% Can not configure the local system as neighbor
exit1-debian-11(config-router)#
exit1-debian-11# sh bgp listeners
Name fd Address
---------------------------
default 24 192.168.0.1
exit1-debian-11# con
exit1-debian-11(config)# router bgp
exit1-debian-11(config-router)# neighbor 192.168.10.123 remote-as external
exit1-debian-11(config-router)#
```
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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When setting authentication on a BGP peer in a VRF the listener is
looked up from a global list. However there is no check that the
listener is the one associated with the VRF being configured. This
can result in the wrong listener beiong configured with a password,
leaving the intended listener in an open authentication state.
To simplify this lookup stash a pointer to the bgp instance in
the listener on creating (in the same way as is done for NS-based
VRFS).
Signed-off-by: Pat Ruddy <pat@voltanet.io>
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Add a command to display listen sockets and the vrf that they
are associated with.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Co-authored-by: Donald Sharp <sharpd@cumulusnetworks.com>
Co-authored-by: Quentin Young <qlyoung@cumulusnetworks.com>
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Upon creation of BGP instances, server socket may or may not be created.
In the case of VRF instances, if the VRF backend relies on NETNS, then
a new server socket will be created for each BGP VRF instance. If the
VRF backend relies on VRF LITE, then only one server socket will be
enough. Moreover, At startup, with BGP VRF configuration, a server
socket may not be created if VRF is not the default one or VRF is not
recognized yet.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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The change contained in this commit does the following:
- discovery of vrf id from zebra daemon, and adaptation of bgp contexts
with BGP.
The list of network addresses contain a reference to the bgp context
supporting the vrf.
The bgp context contains a vrf pointer that gives information about
the netns path in case the vrf is a netns path.
Only some contexts are impacted, namely socket creation, and retrieval
of local IP settings. ( this requires vrf identifier).
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Ticket: CM-6369
Reviewed By: CCR-3318
Testing Done: Manual testing of various password scenarios.
This is a port of patch bgpd-unnumbered-nbr-fix-password.patch from
2.5-br.
In the case of BGP unnumbered, the peer IP address is derived and not
explicitly configured. If there is a password configured for the peer,
it can be set on the listen socket only after the IP address has been
derived and needs to be cleared when the IP address goes away.
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BGP: Fix EBGP multihop transitions correctly
Since BGP connection setup has migrated to using NHT to decide when to bring a
session up, we have to handle ebgp multihop transitions correctly to ensure NHT
registrations are correctly handled.
Signed-off-by: Dinesh G Dutt <ddutt@cumulusnetworks.com>
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BGP: Fix FSM to handle active/passive connections better
The existing code didn't work well when dual connections resulted between
peers during session bringup. This patch fixes that.
Signed-off-by: Dinesh G Dutt <ddutt@cumulusnetworks.com>
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BGP does not respond fairly in high scale. As the number of BGP peers
and prefixes increase, triggers like interface flaps which lead to BGP
peer flaps, cause blockage in bgp_write.
BGP does handle the cases of TCP socket buffer full by queuing a write
event back, there is no functional issue there as such. Still,
increasing the peer socket buffer size should help reduce event queueing
in BGP.
Signed-off-by: Vipin Kumar <vipin@cumulusnetworks.com>
Reviewed-by: Pradosh Mohapatra <pmohapat@cumulusnetworks.com>
Reviewed-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
[DL: patch split, this is item 3.]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Start BGP listener only after first instance is started. This helps the
security if BGP is not used but daemon is started. It also addresses some
issues like MD5 not working on listener unless IPV6 configured (because
listener was not in list); as well as compiler warnings.
* bgp_network.c: (bgp_listener) listen socket creation consolidated here
(bgp_socket) Use bgp_listener
* bgpd.c: (bgp_get) call bgp_socket on creation of first struct bgp.
(bgp_init) remove bgp_socket call.
* memtypes.c: Add MTYPE_BGP_LISTENER
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2008-07-21 Paul Jakma <paul.jakma@sun.com>
* bgp_packet.c: (bgp_open_receive) fix warning in a zlog call
* bgp_vty.c: (bgp_vty_return) add return code
* bgpd.c: (bgp_master_init) setup the socket list.
* bgp_network.c: Remove the dual IPv4/6 socket thing for now, which
was implemented by Michael, until such time as its clear its
required for Linux (see sockopt comments). IPv6 support, including
IPv4 sessions on AF_INET6 sockets, therefore is broken, and the
'-l 0.0.0.0' arguments would need to be given to bgpd to make
things work here.
2008-07-21 Michael H. Warfield <mhw@wittsend.com>
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Tomohiko Kusuda <kusuda@inetcore.com>
Leigh Brown <leigh@solinno.co.uk>
* bgp_network.c: (bgp_md5_set_one) shim between libzebra tcp-md5
sockopt and bgpd.
(bgp_md5_set_socket) Helper for bgp_connect
(bgp_md5_set) setup TCP-MD5SIG for the given peer.
(bgp_connect) call out to bgp_md5_set_socket for the outgoing
connect socket.
(bgp_socket) save references to the listen sockets, needed if
TCP-MD5SIG is applied later or changed.
* bgp_vty.c: (*neighbor_password_cmd) New 'neighbor ... password'
commands.
* bgpd.c: (peer_{new,delete) manage TCP-MD5 password
(peer_group2peer_config_copy) inherit TCP-MD5 password
(peer_password_{un,}set) orchestrate the whole add/remove of TCP-MD5
passwords: applying checks, stopping peers, and trying to return
errors to UI, etc.
(bgp_config_write_peer) save password.
Fix missing newline in writeout of neighbor ... port.
2008-07-21 Paul Jakma <paul.jakma@sun.com>
* sockunion.c: ifdef out various places that converted
v4mapped sockets to pure v4. Doesn't seem necessary at all,
presumably a workaround for now historical inet_ntop bugs (?)
2008-07-21 Michael H. Warfield <mhw@wittsend.com>
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
* sockopt.{c,h}: (sockopt_tcp_signature) Add TCP-MD5SIG support.
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* bgp_main.c: Add 'listenon' argument, to pass address to bind
to.
* bgp_network.c: (bgp_socket) Extend to take bind address.
* bgpd.c: (bgp_init) Pass stored address.
* bgpd.h: (struct bgp_master) storage for bind address
2007-11-01 Paul Jakma <paul.jakma@sun.com>
* tools/multiple-bgpd.sh: New, quick script to launch a bunch of
bgpds.
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* (global) The great bgpd extern and static'ification.
* bgp_routemap.c: remove unused ROUTE_MATCH_ASPATH_OLD code
(route_set_metric_compile) fix u_int32_t to ULONG_MAX comparison
warnings.
* bgp_route.h: (bgp_process, bgp_withdraw, bgp_update) export these
used by various files which had their own private declarations,
in the case of mplsvpn - incorrect.
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* bgp_fsm.h: Add extern qualifier to exported functions
* bgp_nexthop.c: add static to nexthop specific globals
* *.h: Add guard defines
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