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doc: add more information about show ip bgp and show bgp

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Add some information to inform the user that one can either display ipv4
or ipv6 routing table, with the above commands.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2018-07-04 17:49:09 +02:00
parent 6b479dff80
commit e6f594150a
1 changed files with 57 additions and 22 deletions
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79
doc/user/bgp.rst
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@ -1783,8 +1783,8 @@ kernel routing tables.
neighbor 10.0.0.3 remote-as 4
neighbor 10.0.0.4 remote-as 5
.. index:: show ip bgp view NAME
.. clicmd:: show ip bgp view NAME
.. index:: show [ip] bgp view NAME
.. clicmd:: show [ip] bgp view NAME
Display the routing table of BGP view ``NAME``.
@ -1981,17 +1981,27 @@ Other BGP Commands
Displaying BGP Information
==========================
The following four commands display the IPv6 and IPv4 routing tables, depending
on whether or not the ``ip`` keyword is used.
Actually, :clicmd:`show ip bgp` command was used on older `Quagga` routing
daemon project, while :clicmd:`show bgp` command is the new format. The choice
has been done to keep old format with IPv4 routing table, while new format
displays IPv6 routing table.
.. index:: show ip bgp
.. clicmd:: show ip bgp
.. index:: show ip bgp A.B.C.D
.. clicmd:: show ip bgp A.B.C.D
.. index:: show ip bgp X:X::X:X
.. clicmd:: show ip bgp X:X::X:X
.. index:: show bgp
.. clicmd:: show bgp
.. index:: show bgp X:X::X:X
.. clicmd:: show bgp X:X::X:X
These commands display BGP routes. When no route is specified, the default
is to display all IPv4 BGP routes.
is to display all BGP routes.
::
@ -2004,31 +2014,56 @@ Displaying BGP Information
Total number of prefixes 1
.. index:: show ip bgp regexp LINE
.. clicmd:: show ip bgp regexp LINE
Some other commands provide additional options for filtering the output.
.. index:: show [ip] bgp regexp LINE
.. clicmd:: show [ip] bgp regexp LINE
This command displays BGP routes using AS path regular expression
(:ref:`bgp-regular-expressions`).
.. index:: show bgp <ipv4|ipv6> summary
.. clicmd:: show bgp <ipv4|ipv6> summary
.. index:: show [ip] bgp summary
.. clicmd:: show [ip] bgp summary
Show a bgp peer summary for the specified address family.
.. index:: show bgp <ipv4|ipv6> neighbor [PEER]
.. clicmd:: show bgp <ipv4|ipv6> neighbor [PEER]
The old command structure :clicmd:`show ip bgp` may be removed in the future
and should no longer be used. In order to reach the other BGP routing tables
other than the IPv6 routing table given by :clicmd:`show bgp`, the new command
structure is extended with :clicmd:`show bgp [afi] [safi]`.
This command shows information on a specific BGP `peer`.
.. index:: show bgp [afi] [safi]
.. clicmd:: show bgp [afi] [safi]
.. index:: show bgp <ipv4|ipv6> dampening dampened-paths
.. clicmd:: show bgp <ipv4|ipv6> dampening dampened-paths
.. index:: show bgp <ipv4|ipv6> <unicast|multicast|vpn|labeled-unicast>
.. clicmd:: show bgp <ipv4|ipv6> <unicast|multicast|vpn|labeled-unicast>
Display paths suppressed due to dampening.
These commands display BGP routes for the specific routing table indicated by
the selected afi and the selected safi. If no afi and no safi value is given,
the command falls back to the default IPv6 routing table
.. index:: show bgp <ipv4|ipv6> dampening flap-statistics
.. clicmd:: show bgp <ipv4|ipv6> dampening flap-statistics
.. index:: show bgp [afi] [safi] summary
.. clicmd:: show bgp [afi] [safi] summary
Display flap statistics of routes.
Show a bgp peer summary for the specified address family, and subsequent
address-family.
.. index:: show bgp [afi] [safi] neighbor [PEER]
.. clicmd:: show bgp [afi] [safi] neighbor [PEER]
This command shows information on a specific BGP peer of the relevant
afi and safi selected.
.. index:: show bgp [afi] [safi] dampening dampened-paths
.. clicmd:: show bgp [afi] [safi] dampening dampened-paths
Display paths suppressed due to dampening of the selected afi and safi
selected.
.. index:: show bgp [afi] [safi] dampening flap-statistics
.. clicmd:: show bgp [afi] [safi] dampening flap-statistics
Display flap statistics of routes of the selected afi and safi selected.
.. _bgp-display-routes-by-community:
@ -2073,11 +2108,11 @@ Displaying Routes by AS Path
This commands displays BGP routes that matches a regular
expression `line` (:ref:`bgp-regular-expressions`).
.. index:: show ip bgp ipv4 vpn
.. clicmd:: show ip bgp ipv4 vpn
.. index:: show [ip] bgp ipv4 vpn
.. clicmd:: show [ip] bgp ipv4 vpn
.. index:: show ip bgp ipv6 vpn
.. clicmd:: show ip bgp ipv6 vpn
.. index:: show [ip] bgp ipv6 vpn
.. clicmd:: show [ip] bgp ipv6 vpn
Print active IPV4 or IPV6 routes advertised via the VPN SAFI.