display bgp link-state
Use display bgp link-state to display BGP LS information.
Syntax
display bgp [ instance instance-name ] link-state [ ls-prefix | peer { ipv4-address | ipv6-address } { advertised | received } [ statistics ] | statistics ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
instance instance-name: Specifies a BGP instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify this option, the command displays BGP LS information for the default BGP instance.
ls-prefix: Specifies an LS prefix. If you do not specify this argument, the command displays all BGP LS information.
ipv4-address: Specifies a peer by its IPv4 address.
ipv6-address: Specifies a peer by its IPv6 address.
advertised: Displays advertised LS information.
received: Displays received LS information.
statistics: Displays statistics about LS messages.
Usage guidelines
If you do not specify any parameters, this command displays brief BGP LS information.
Examples
# Display brief BGP LS information for the public network.
<Sysname> display bgp link-state Total number of routes: 2 BGP local router ID is 1.1.2.1 Status codes: * - valid, > - best, d – dampened, h – history, s – suppressed, S – stale, i - internal, e - external a - additional-path Origin: i - IGP, e - EGP, ? - incomplete Prefix codes: E link, V node, T IP reachable route, u/U unknown, I Identifier, N local node, R remote node, L link, P prefix, L1/L2 ISIS level-1/level-2, O OSPF, D direct, S static, a area-ID, , l link-ID, t topology-ID, s ISO-ID, c confed-ID/ASN, b bgp-identifier, r router-ID, i if-address, n nbr-address, o OSPF Route-type, p IP-prefix d designated router address * >e Network : [V][O][I0x0][N[c20][b1.1.1.2][a0.0.0.0][r1.1.1.2]]/376 NextHop : 1.1.1.2 LocPrf : PrefVal : 0 OutLabel : NULL MED : Path/Ogn: 20i * >e Network : [T][O][I0x0][N[c20][b1.1.1.2][a0.0.0.0][r1.1.1.2]][P[o0x1][p1.1.1.0/24]]/480 NextHop : 1.1.1.2 LocPrf : PrefVal : 0 OutLabel : NULL MED : Path/Ogn: 20i
Table 87: Command output
Field | Description |
---|---|
Status codes | Status codes:
|
Prefix codes | Route status codes:
|
Origin | Origin of the route:
|
Network | NLRI for the LS. |
NextHop | Next hop IP address. |
LocPrf | Local preference. |
OutLabel | This field is not supported in the current software version. Outgoing label of the route. |
MED | MED attribute. |
Path/Ogn | AS_PATH and ORIGIN attributes of the route:
|
# Display detailed BGP LS information with the specified LS prefix.
<Sysname> display bgp link-state [V][O][I0x0][N[c20][b1.1.1.2][a0.0.0.0][r1.1.1.2]]/376 BGP local router ID: 1.1.1.2 Local AS number: 20 Paths: 1 available, 1 best BGP LS information of [V][O][I0x0][N[c20][b1.1.1.2][a0.0.0.0][r1.1.1.2]]/376: Imported route. Original nexthop: 0.0.0.0 OutLabel : NULL RxPathID : 0x0 TxPathID : 0xffffffff LS : Node flag bits: 30[EA] AS-path : (null) Origin : igp Attribute value : pref-val 32768 State : valid, local, best IP precedence : N/A QoS local ID : N/A Traffic index : N/A
Table 88: Command output
Field | Description |
---|---|
Paths | Number of routes:
|
BGP LS information of | NLRI prefix. |
Original nexthop | Original next hop of the route. If the route was obtained from a BGP update message, the original next hop is the next hop IP address in the message. |
LS | LS attribute:
|
RxPathID | Add-path ID of received routes. |
TxPathID | Add-path ID of advertised routes. |
AS-path | AS_PATH attribute of the route, which records the ASs the route has passed and avoids routing loops. |
Attribute value | BGP path attributes:
|
State | Current state of the route:
|
IP precedence | IP precedence in the range of 0 to 7. N/A indicates that the route does not support this field. |
QoS local ID | QoS local ID in the range of 1 to 4095. N/A indicates that the route does not support this field. |
Traffic index | Traffic index in the range of 1 to 64. N/A indicates that the route does not support this field. |