ASR9K 有两种虚拟化的技术,一种为 nV edge,也叫 nV cluster,属于将两个 ASR9K 的机箱虚拟化成一个路由器,使用统一的控制层面,类似于 CRS 中的多机(5.3.4 以后开始就不再支持该 feature,link);另一种为 nV satellite,这种技术是为了扩展 9K 上 GigabitEthernet 接口,通过 ASR9K 外接一个ASR 9000v来实现(或者 901,903),其中一个 9000v 上包含 40+ Gi 的下行接口,4 个 TenG 的上行接口。
以下介绍 nV satellite Dual-Home 的一个配置,即一个 9000v 上行连接两个 ASR9K,并为两个 ASR9K 配置不同的优先级,使同一时间只有一个 ASR9K 为 active role,参与流量转发的,另一台为 standby。
Topology #
Configuration #
RP/0/RSP0/CPU0:ASR9006-H#show run int lo10
interface Loopback10
ipv4 address 220.80.136.225 255.255.255.255
router ospf xuxing
nsr
log adjacency changes detail
router-id 220.80.136.225
nsf ietf
distance 120
redistribute connected metric 100
address-family ipv4 unicast
area 0
network point-to-point
interface Loopback10
!
interface TenGigE0/1/1/0
cost 2000
network point-to-point
mpls ldp
router-id 220.80.136.225
neighbor
220.80.136.224:0 password encrypted xxxxxxxxxx
!
address-family ipv4
discovery targeted-hello accept
RP/0/RSP0/CPU0:ASR9006-H#show mpls ldp neighbor brief
Peer GR NSR Up Time Discovery Address IPv4 Label
----------------- -- --- ---------- --------- ------- ----------
220.80.136.224:0 N N/A 6d14h 1 9 24 <<<<<<
RP/0/RSP0/CPU0:ASR9006-H#show run nv
nv
satellite 100
type asr9000v
ipv4 address 192.168.200.3 <<<< 这个地址是为ASR9000v分配的管理地址
redundancy
host-priority 40 <<<< 类似的可以为另一台ASR9K配置不同的优先级, 越大越优先
!
serial-number CAT1821UXXX
!
!
RP/0/RSP0/CPU0:ASR9006-H#show run int lo11
Sun Nov 26 23:38:25.372 UTC
interface Loopback11
vrf nv-mgmt
ipv4 address 192.168.200.2 255.255.255.0
!
RP/0/RSP0/CPU0:ASR9006-H#show run int tenGigE 0/1/1/1
Sun Nov 26 23:38:18.469 UTC
interface TenGigE0/1/1/1
description to asr9000v
vrf nv-mgmt
ipv4 point-to-point
ipv4 unnumbered Loopback11
load-interval 30
nv
satellite-fabric-link satellite 100
redundancy
iccp-group 3
!
remote-ports GigabitEthernet 0/0/0-43
!
!
!
RP/0/RSP0/CPU0:ASR9006-H#show nv satellite status brief
Sun Nov 26 23:41:49.099 UTC
Sat-ID Type IP Address MAC address Status
------ -------- ------------ -------------- -------------------------------
100 asr9000v 192.168.200.3 6cfa.89d6.859c Connected (Act)
RP/0/RSP0/CPU0:ASR9006-H#telnet vrf nv-mgmt 192.168.200.3
Trying 192.168.200.3...
Connected to 192.168.200.3.
Escape sequence is '^^q'.
LC:Satellite#
LC:Satellite# <<< 你可以通过telnet 9000v管理地址,登陆9000v
LC:Satellite#
Upgrade nV Satellite #
- 需要为 ASR9000 安装 9000v 的 PIE
- 升级会使 9000v 重启
Note #
双宿的时候,standby ASR9000 上连接到 9000v 的接口会处于 up/down 的状态,不转发流量。
Related command #
#show nv satellite status brief
#show nv satellite status
#show nv satellite protocol discovery
#show nv satellite protocol control brief
#show nv satellite protocol control
#show nv satellite protocol redundancy
#show nv satellite protocol control brief
#show nv satellite protocol control
#show iccp group