Huawei Quidway NetEngine80E Configuration Manual page 935

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
Route Attribute
Local_Pref
Route type
AIGP
AS_Path
Origin
MED
Peer type
The route selection process on Router B is the same as that on Router A. Then, Router A and
Router B advertise the optimal routes to Router C. Check the routing table of Router C.
[RouterC] display bgp routing-table
Total Number of Routes: 6
BGP Local router ID is 192.168.2.1
Status codes: * - valid, > - best, d - damped,
*>i
*>i
*>i
* i
*>i
* i
The preceding command output shows that Router C selects the routes advertised by Router B.
Check the reason why the routes learned from Router A are not selected on Router C. The route
10.11.0.0/16 is used as an example.
[RouterC] display bgp routing-table 10.11.0.0
BGP local router ID : 192.168.2.1
Local AS number : 65001
Paths:
BGP routing table entry information of 10.11.0.0/16:
From: 10.1.5.1 (192.168.2.2)
Route Duration: 00h12m46s
Relay IP Nexthop: 10.1.5.1
Relay IP Out-Interface: GigabitEthernet1/0/1
Issue 02 (2014-09-30)
Route Learned
from ISP1
-
Learned from a peer
-
100 10
IGP
-
EBGP
h - history,
Origin : i - IGP, e - EGP, ? - incomplete
Network NextHop
10.1.1.0/30 10.1.4.1
10.1.2.0/30 10.1.5.1
10.11.0.0/16 10.1.2.1
10.1.1.1
10.22.0.0/16 10.1.2.1
10.1.1.1
2 available, 1 best, 1 select
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Route Learned
from Router B
100
Learned from a peer
-
200 10
IGP
-
IBGP
i - internal, s - suppressed, S - Stale
MED
0
0
8 BGP Configuration
Comparison
The same.
NOTE
If a route does not
carry Local_Pref, the
default value 100
takes effect.
The same.
The same.
The same length.
The same.
The same.
Route 10.11.0.0/16
learned from ISP1 is
optimal.
LocPrf PrefVal Path/Ogn
100 0 i
100 0 i
100 0 200 10i
100 0 100 10i
100 0 200 10i
100 0 100 10i
910