ZXR10 T600/T1200 User Manual (IPv6 Volume)
To configure BGP4+ aggregation advertisement, perform the fol-
lowing steps.
St-
ep
Command
Function
1
ZXR10(config)#
router bgp
<
as-number
>
This enters BGP route
configuration mode.
2
ZXR10(config-router)#
aggregate-address
<
ip-addr
>
/
<
mask
>[
as-set
][
summary-only
]
This creates an aggregation
policy in the BGP routing
table.
3
ZXR10(config-router)#
bgp aggregate-nexthop-check
This implements route
aggregation only when the
next hop strictly matches with
MED.
Result:
BGP4+ aggregation advertisement has been configured.
Configuring EBGP Multihop
To configure EBGP multihop, perform the following steps.
St-
ep
Command
Function
1
ZXR10(config)#
router bgp
<
as-number
>
This enters BGP route
configuration mode.
2
ZXR10(config-router)#
neighbor
[<
ipv4-address
>|<
i
pv6-address
>|<
peer-group-name
>]
ebgp-multihop
[
ttl
<
value
>]
This configures to establish
EBGP neighborhood over
non-direct connect networks.
The range of TTL is 1–255.
The default is 8.
Result:
EBGP multihop has been configured.
Example
Usually, EBGP neighborhood is established on the direct-connect
interfaces of two routers.
To establish EBGP neighborhood on
non-direct connect interfaces, the command
neighbor ebgp-m
ultihop
shall be used to perform EBGP multihop configuration, as
well as proper IGP or static route configuration to enable intercom-
munication between non-direct connect neighbors.T
This example describes how to configure EBGP multihop.
As shown in
, router R1 in AS 100 needs to establish
neighborhood with a non-directly connected interface whose id is
180.225.11.1 on R2 in AS300.
56
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Содержание ZXR10 T1200
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