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1.& neighbor {ip-address | peer-group-name} advertisement-interval seconds
nip-address― Neighbor's IP address.
npeer-group-name― Name of the peer group.
nseconds― 0 to 600.
Defaults: &IBGP 5 seconds. &EBGP 30 seconds.
To set the minimum interval between the sending of Border Gateway Protocol (BGP) routing updates.
R2 EBGP IBGP
R1#sh ip bgp nei 10.1.12.2
BGP neighbor is 10.1.12.2,& remote AS 2, external link
& BGP version 4, remote router ID 2.2.2.2
& BGP state = Established, up for 00:20:49
& Last read 00:00:49, hold time is 180, keepalive interval is 60 seconds
& Neighbor capabilities:
&&& Route refresh: advertised and received(old & new)
&&& Address family IPv4 Unicast: advertised and received
& Message statistics:
&&& InQ depth is 0
&&& OutQ depth is 0
&&&&&&&&&&&&&&&&&&&&&&&& Sent&&&&&& Rcvd
&&& Opens:&&&&&&&&&&&&&&&&&& 3&&&&&&&&& 3
&&& Notifications:&&& &&&&&&0&&&&&&&&& 0
&&& Updates:&&&&&&&&&&&&&& 11&&&&&&&&& 0
&&& Keepalives:&&&&&&&&&&&31&&&&&&&& 31
&&& Route Refresh:&&&&&&&3&&&&&&&&& 0
&&& Total:&&&&&&&&&&&&&&&&& &&48&&&&&&&& 34
& Default minimum time between advertisement runs is 30 seconds
R1(config)#router bgp 1
R1(config-router)#nei 10.1.12.2 advertisement-interval 20&&
R1#sh ip bgp nei 10.1.12.2
BGP neighbor is 10.1.12.2,& remote AS 2, external link
& BGP version 4, remote router ID 2.2.2.2
& BGP state = Established, up for 02:32:47
& Last read 00:00:47, hold time is 180, keepalive interval is 60 seconds
& Neighbor capabilities:
&&& Route refresh: advertised and received(old & new)
&&& Address family IPv4 Unicast: advertised and received
& Message statistics:
&&& InQ depth is 0
&&& OutQ depth is 0
&&&&&&&&&&&&&&&&&&&&&&&& Sent&&&&&& Rcvd
&&& Opens:&&&&&&&&&&&&&&&&& 3&&&&&&&&& 3
&&& Notifications:&&&&&&&&& 0&&&&&&&&& 0
&&& Updates:&&&&&&&&&&&&&& 11&&&&&&&&& 0
&&& Keepalives:&&&&&&&&&&163&&&&&&& 163
&&& Route Refresh:&&&&&&&&3&&&&& &&&&0
&&& Total:&&&&&&&&&&&&&&&&&& 180&&&&&&& 166
& Default minimum time between advertisement runs is 30 seconds
&For address family: IPv4 Unicast
& BGP table version 12, neighbor version 12
& Index 1, Offset 0, Mask 0x2
& Condition-map lo12, Advertise-map lo3, status: Advertise
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& Sent&&&&&& Rcvd
& Prefix activity:&&&&&&&&&&&&&& ----&&&&&& ----
&&& Prefixes Current:&&&&&&&&&&&&&& 1&&&&&&&&& 0
&&& Prefixes Total:&&&&&&&&&&&&&&&& & 3&&&&&&&&& 0
&&& Implicit Withdraw:&&&&&&&&&&&&&0&&&&&&&&& 0
&&& Explicit Withdraw:&&&&&&&&&&&& 2&&&&&&&&& 0
&&& Used as bestpath:&&&&&&&&&&&& n/a&&&&&&&&& 0
&&& Used as multipath:&&&&&&&&&&& n/a&&&&&&&&& 0
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& Outbound&&& Inbound
& Local Policy Denied Prefixes:&&& --------&&& -------
&&& advertise-map:&&&&&&&&&&&&&&&&&&&&&&& 1&&&&&&& n/a
&&& Suppressed due to dampening:&&&&&&&&& 2&&&&&&& n/a
&&& Total:&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& 3&&&&&&&&& 0
& Number of NLRIs in the update sent: max 1, min 0
& Minimum time between advertisement runs is 20 seconds
R2#sh ip bgp nei 10.1.12.1
BGP neighbor is 10.1.12.1,& remote AS 1, external link
& BGP version 4, remote router ID 1.1.1.1
& BGP state = Established, up for 02:33:45
& Last read 00:00:45, hold time is 180, keepalive interval is 60 seconds
& Neighbor capabilities:
&&& Route refresh: advertised and received(old & new)
&&& Address family IPv4 Unicast: advertised and received
& Message statistics:
&&& InQ depth is 0
&&& OutQ depth is 0
&&&&&&&&&&&&&&&&&&&&&&&& Sent&&&&&& Rcvd
&& &Opens:&&&&&&&&&&&&&&&&& 3&&&&&&&&& 3
&&& Notifications:&&&&&&&&& 0&&&&&&&&& 0
&&& Updates:&&&&&&&&&&&&&&& 0&&&&&&&& 11
&&& Keepalives:&&&&&&&&&& 165&&&&&&& 164
&&& Route Refresh:&&&&&&&&& 0&&&&&&&&& 3
&&& Total:&&&&&&&&&&&&&&&&&& 168&&&&&&& 181
& Default minimum time between advertisement runs is 30 seconds
2. neighbor {ip-address | peer-group-name} default-originate
The router owning the default route can advertise it through BGP using the default-originate form of the neighbor command. Using this form is not recommended, because the router always advertises the default route, even if the router does not have a default route or if the network to the default route is down..
neighbor default-originate . . neighbor {ip-address | peer-group-name} default-originate .
neighbor {ip-address | peer-group-name} default-originate route-map route-map-name
The router owning the default route can advertise it through BGP using the default-originate route-map form of the neighbor command. Using this form is recommended, because the router advertises the default route only if the condition of the specified route map is satisfied. The condition that is typically used is whether or not the default network is up.
neighbor default-originate route-map. route map up 。
nei 10.1.12.2 default-originate route-map lo0
&&&&&& && route-map lo0
&&&&&&&&&&& &Match ip add pre 1
&&&&&&& & ip pre 1 per 1.1.1.1/32
1.1.1.1/32 10.1.12.2 .
3. neighbor {ip-address | peer-group-name} filter-list as-path-list-number weight weight
nas-path-list-number― IP AS path list number.
nweight― 1 to 65535. This value is applied to the weight attribute of incoming routes matching the conditions in the AS path filter list.
1-65535AS PATH weight .
Purpose: Routes learned from BGP neighbors have the weight attribute set to 0. This form of the filter-list command allows you to set the weight attribute of selected routes received from a particular neighbor. This command applies only to incoming route updates. The operation of the filter list is identical for both IBGP and EBGP neighbors.
BGPweight 0filter-listweight. . IBGPEBGP.
Cisco IOS Software Release: the weight keyword was removed in Release 12.1.
Weight Release 12.1.
4. neighbor {ip-address | peer-group-name} remove-private-as
Purpose: To remove private autonomous systems in updates to the neighbor or peer group. Private AS numbers are in the range 64512 to 65535. Private AS numbers should not be advertised to the Internet. The following conditions apply when using this command:
. AS6451265535. ASInternet.
nUse only with EBGP peers.
nIf the update has only private AS numbers in the AS path, BGP removes them.
nIf the AS path includes both private and public AS numbers, BGP doesn't remove the private AS numbers. This situation is considered a configuration error.
ASASBGPAS.
nIf the AS path contains the AS number of the EBGP neighbor, BGP doesn't remove the private AS number.
ASEBGPASBGPAS.
nIf the AS path contains confederations, BGP removes the private AS numbers only if they come after the confederation portion of the AS path.
ASBGPASAS.
R1--------------R2----------------R3
&&&&&AS65530&&&&&&&&&& AS 1&&&&&&&&&&&&&&&&&& AS 2
R1R2& show ip bgp
AS PATH 65530 i R3 show ip bgp
1 65535 i . R2 BGP neighbor (IP address for R3) remove-private-as, R3 show ip bgp
5.& neighbor {ip-address | peer-group-name} soft-reconfiguration inbound
Purpose: If you have a policy configured with a BGP neighbor, such as a route map or distribute list, and you change the policy, the BGP session needs to be cleared in order for the new policy to take effect. When a BGP session is cleared, the cache is invalidated. This has a momentary impact on your routing. The soft-reconfiguration option allows you to change policies without clearing the BGP session. The two forms of soft reconfiguration are inbound and outbound. When you use inbound, soft reconfiguration updates from a neighbor are stored in memory, regardless of the inbound policy. Be aware that using inbound soft reconfiguration uses more memory than not using inbound soft reconfiguration. Outbound soft reconfiguration does not require additional memory and is always enabled.
6.& neighbor {ip-address | peer-group-name} unsuppress-map route-map-name
Purpose: When the aggregate-address command is used with the summary-only option, the more-specific routes of the aggregate are suppressed . The aggregate-address summary-only command suppresses the more-specific routes to all neighbors. You can use an unsuppress map to selectively leak more-specific routes to a particular neighbor.
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juniper 与CISCO 命令比较收藏
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2.25pt&2.25pt&2.25&mso-border-alt:&solid&windowtext&.5&mso-border-insideh:&
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cellPadding=0&border=1&&[tr][td]
[b]Cisco&Command[/b]
[/td][td]
[b]Juniper&Command[/b]
[/td][td]
[b]Co-Ordinating&
Definition[/b]
[/td][/tr][tr][td]show&ip&interface&
brief
[/td][td]show&interface&
terse
[/td][td]displays&the&status&of&interfaces&
configured&for&IP
[/td][/tr][tr][td]show&
interface&[intfc]
[/td][td]show&interfaces&[intfc]&
detail
[/td][td]displays&the&interface&
configuration,&status&and&
statistics.
[/td][/tr][tr][td]show&controller&
intfc
[/td][td]show&interfaces&intfc&
extensive
[/td][td]displays&information&about&a&
physical&port&device
[/td][/tr][tr][td]show&
interface&|&incl&(proto|Desc)
[/td][td]show&
interfaces&description
[/td][td]displays&the&interface&
configuration,&status&and&
statistics
[/td][/tr][tr][td]show&ip&
route
[/td][td]show&
route
[/td][td]displays&summary&information&about&
entries&in&the&routing&table
[/td][/tr][tr][td]show&ip&
bgp&summary
[/td][td]show&bgp&
summary
[/td][td]displays&the&status&of&all&Border&
Gateway&Protocol&(BGP)&
connections
[/td][/tr][tr][td]show&ip&bgp&net&
mask
[/td][td]show&route&protocol&bgp&
prefix
[/td][td]will&show&you&how&that&route&is&
being&advertised,&look&for&the&first&
line
[/td][/tr][tr][td]show&ip&bgp&net&mask&
longer-prefixes
[/td][td]show&route&range&
prefix
[/td][td]will&show&you&how&that&route&is&
being&advertised,&look&for&the&first&
line
[/td][/tr][tr][td]show&ip&bgp®exp&
AS-regexp
[/td][td]show&route&aspath-regexp&
&AS-regexp&
[/td][td]displays&routes&matching&the&
autonomous&system&(AS)&path®ular&
expression
[/td][/tr][tr][td]show&ip&bgp&neighbors&
neigh&received-routes
[/td][td]show&route&
receive-protocol&bgp&neigh
show&route&source-gateway&neigh&protocol&
bgp
[/td][td]Shows&whether&a&neighbor&supports&
the&route&refresh&capability
[/td][/tr][tr][td]show&ip&
bgp&neighbor&neigh&advertised-routes
[/td][td]show&
route&advertising-protocol&bgp&neigh
[/td][td]Shows&
whether&a&neighbor&supports&the&route&refresh&
capabilty
[/td][/tr][tr][td]show&clns&
neighbors
[/td][td]show&isis&
adjacency
[/td][td]displays&both&ES&and&IS&
neighbors
[/td][/tr][tr][td]show&clns&
interface
[/td][td]show&isis&
interface
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each&interface
[/td][/tr][tr][td]show&ip&route&
isis
[/td][td]show&isis&
routes
[/td][td]displays&the¤t&state&of&the&
the&routing&table
[/td][/tr][tr][td]show&
isis&topology
[/td][td]show&isis&
spf
[/td][td]displays&a&list&of&all&connected&
routers&in&all&areas
[/td][/tr][tr][td]show&ip&
ospf&interface
[/td][td]show&ospf&
neighbor
[/td][td]shows&neighbor&ID,&Priority,&IP,&
&&State&if&the&neighbor&router,&dead&
time.
[/td][/tr][tr][td]show&ip&ospf&
interface
[/td][td]show&ospf&
interface
[/td][td]shows&neighbor&id,&pri,&state,&
dead&time,&address&and&interface
[/td][/tr][tr][td]show&ip&
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route&ospf
[/td][td]show&ospf&
route
[/td][td]display&the¤t&state&of&the&
routing&table
[/td][/tr][tr][td]show&ip&ospf&
database
[/td][td]show&ospf&
database
[/td][td]display&list&of&information&
related&to&the&OSPF&database&for&a&specific&communication&
server
[/td][/tr][tr][td]show&
version
[/td][td]show&version,&show&system&
uptime
[/td][td]display&the&system&hardware&
config.,&software&version,&and&name&and&source&of&configuration&files&and&boot&
images
[/td][/tr][tr][td]show&
diags
[/td][td]show&chasis&
hardware
[/td][td]displays&power-on&diagnostics&
status
[/td][/tr][tr][td]show&processes&
cpu
[/td][td]show&system&
process
[/td][td]displays&utilization&
statistics
[/td][/tr][tr][td]show&
tech-support
[/td][td]request&support&
info
[/td][td]displays&the¤t&software&
image,&configuration,&controllers,&counters,&stacks,&interfaces,&memory&and&
buffers
[/td][/tr][tr][td]show&
logging
[/td][td]show&log&
messages
[/td][td]display&the&state&of&logging&to&
the&syslog
[/td][/tr][tr][td]show&route-map&
name
[/td][td]show&policy&
name
[/td][td]displayall&route-maps&configured&
or&only&the&one&specified
[/td][/tr][tr][td]show&ip&
prefix-list&name
[/td][td]show&policy&
name
[/td][td]display&information&about&a&prefix&
list&or&prefix&list&entries
[/td][/tr][tr][td]show&ip&
community-list&list
[/td][td]configure,&&
show&policy-options&community&
name
[/td][td]display&routes&that&are&permitted&
by&BGP&community&list
[/td][/tr][tr][td]show&
environment&all
[/td][td]show&
chassis&&environment
[/td][td]displays&
temperature&and&voltage&information&on&the&
console
[/td][/tr][tr][td]ping&
dest
[/td][td]ping&dest&rapid&(for&cisco&like&
output)&
ping&dest&(for&unix&like&
output)
[/td][td]to&check&to&see&if&a&destination&
is&alive
[/td][/tr][tr][td]ping&(setting&source&
int)
[/td][td]ping&dest&
bypass-routing
[/td][td]to&check&to&see&if&a&destination&
is&alive
[/td][/tr]
terminal&
monitor
monitor&
start&messages
Change&
console&terminal&settings
terminal&no&
monitor
monitor&
stop
Change&
console&terminal&settings
terminal&
length&0
set&cli&
screen-length&0
sets&the&
length&for&displaying&command&
output
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