BGP的一网双平面规划
网络拓扑：
XRV1
=====================================================================
#
sysname XRV1
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.1000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.1.1 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
ip address 10.201.1.1 255.255.255.252
#
interface GigabitEthernet0/0/2
shutdown
ip address 10.201.3.1 255.255.255.252
#
interface LoopBack0
ip address 10.255.255.1 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.3.2 source-ip 10.201.3.1
#
bfd 20 bind peer-ip 10.201.1.2 source-ip 10.201.1.1
#
bgp 65001
router-id 10.255.255.1
graceful-restart
peer 10.201.1.2 as-number 65002
peer 10.201.1.2 password simple cisco
peer 10.201.1.2 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.1.2 bfd enable
peer 10.201.3.2 as-number 65004
peer 10.201.3.2 password simple cisco
peer 10.201.3.2 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.3.2 bfd enable
peer 10.255.255.2 as-number 65001
peer 10.255.255.2 connect-interface LoopBack0
peer 10.255.255.2 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.1.2 enable
peer 10.201.3.2 enable
peer 10.255.255.2 enable
peer 10.255.255.2 next-hop-local
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV2
=====================================================================
#
sysname XRV2
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.2000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.1.2 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
ip address 10.201.2.1 255.255.255.252
#
interface GigabitEthernet0/0/2
ip address 10.201.4.1 255.255.255.252
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet3/0/0
#
interface GigabitEthernet4/0/0
#
interface NULL0
#
interface LoopBack0
ip address 10.255.255.2 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.4.2 source-ip 10.201.4.1
#
bfd 20 bind peer-ip 10.201.2.2 source-ip 10.201.2.1
#
bgp 65001
router-id 10.255.255.2
graceful-restart
peer 10.201.2.2 as-number 65002
peer 10.201.2.2 password simple cisco
peer 10.201.2.2 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.2.2 bfd enable
peer 10.201.4.2 as-number 65006
peer 10.201.4.2 password simple cisco
peer 10.201.4.2 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.4.2 bfd enable
peer 10.255.255.1 as-number 65001
peer 10.255.255.1 connect-interface LoopBack0
peer 10.255.255.1 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.2.2 enable
peer 10.201.4.2 enable
peer 10.255.255.1 enable
peer 10.255.255.1 next-hop-local
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV3
=====================================================================
#
sysname XRV3
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.3000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.2.1 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
ip address 10.201.1.2 255.255.255.252
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet3/0/0
ip address 10.201.3.5 255.255.255.252
#
interface GigabitEthernet4/0/0
#
interface NULL0
#
interface LoopBack0
ip address 10.255.255.3 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.1.1 source-ip 10.201.1.2
#
bfd 20 bind peer-ip 10.201.3.6 source-ip 10.201.3.5
#
bgp 65002
router-id 10.255.255.3
graceful-restart
peer 10.201.1.1 as-number 65001
peer 10.201.1.1 password simple cisco
peer 10.201.1.1 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.1.1 bfd enable
peer 10.201.3.6 as-number 65004
peer 10.201.3.6 password simple cisco
peer 10.201.3.6 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.3.6 bfd enable
peer 10.255.255.4 as-number 65002
peer 10.255.255.4 connect-interface LoopBack0
peer 10.255.255.4 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.1.1 enable
peer 10.201.3.6 enable
peer 10.255.255.4 enable
peer 10.255.255.4 next-hop-local
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV4
=====================================================================
#
sysname XRV4
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.4000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.2.2 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
ip address 10.201.2.2 255.255.255.252
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet3/0/0
ip address 10.201.4.5 255.255.255.252
#
interface GigabitEthernet4/0/0
#
interface NULL0
#
interface LoopBack0
ip address 10.255.255.4 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.4.6 source-ip 10.201.4.5
#
bfd 20 bind peer-ip 10.201.2.1 source-ip 10.201.2.2
#
bgp 65002
router-id 10.255.255.4
graceful-restart
peer 10.201.2.1 as-number 65001
peer 10.201.2.1 password simple cisco
peer 10.201.2.1 bfd enable
peer 10.201.4.6 as-number 65006
peer 10.201.4.6 password simple cisco
peer 10.201.4.6 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.4.6 bfd enable
peer 10.255.255.3 as-number 65002
peer 10.255.255.3 connect-interface LoopBack0
peer 10.255.255.3 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.2.1 enable
peer 10.201.4.6 enable
peer 10.255.255.3 enable
peer 10.255.255.3 next-hop-local
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV5
=====================================================================
#
sysname XRV5
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.5000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.3.1 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
ip address 10.201.3.2 255.255.255.252
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet3/0/0
ip address 10.201.3.6 255.255.255.252
#
interface GigabitEthernet4/0/0
#
interface NULL0
#
interface LoopBack0
ip address 10.255.255.5 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.3.1 source-ip 10.201.3.2
#
bfd 20 bind peer-ip 10.201.3.5 source-ip 10.201.3.6
#
bgp 65004
router-id 10.255.255.5
graceful-restart
peer 10.201.3.1 as-number 65001
peer 10.201.3.1 password simple cisco
peer 10.201.3.1 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.3.1 bfd enable
peer 10.201.3.5 as-number 65002
peer 10.201.3.5 password simple cisco
peer 10.201.3.5 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.3.5 bfd enable
peer 10.255.255.7 as-number 65004
peer 10.255.255.7 connect-interface LoopBack0
peer 10.255.255.7 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.3.1 enable
peer 10.201.3.1 route-policy as65004-shengchan export
peer 10.201.3.5 enable
peer 10.201.3.5 route-policy as65004-bangong export
peer 10.255.255.7 enable
peer 10.255.255.7 next-hop-local
#
route-policy as65004-bangong permit node 10
if-match ip-prefix as65004-bangong
apply as-path 65004 65004 65004 additive
#
route-policy as65004-bangong permit node 20
#
route-policy as65004-shengchan permit node 10
if-match ip-prefix as65004-shengchan
apply as-path 65004 65004 65004 additive
#
route-policy as65004-shengchan permit node 20
#
ip ip-prefix as65004-bangong index 10 permit 10.158.1.0 24
ip ip-prefix as65004-bangong index 20 permit 10.158.2.0 24
ip ip-prefix as65004-shengchan index 10 permit 10.133.1.0 24
ip ip-prefix as65004-shengchan index 20 permit 10.133.2.0 24
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV6
=====================================================================
#
sysname XRV6
#
board add 0/1 1GEC
board add 0/2 1GEC
board add 0/3 1GEC
board add 0/4 1GEC
#
snmp-agent local-engineid 800007DB03000000000000
snmp-agent
#
clock timezone China-Standard-Time minus 08:00:00
#
portal local-server load portalpage.zip
#
drop illegal-mac alarm
#
set cpu-usage threshold 80 restore 75
#
bfd
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password cipher %$%$K8m.Nt84DZ}e#<0`8bmE3Uw}%$%$
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.6000.00
#
firewall zone Local
priority 15
#
interface GigabitEthernet0/0/0
ip address 10.10.4.1 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
ip address 10.201.4.2 255.255.255.252
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet3/0/0
ip address 10.201.4.6 255.255.255.252
#
interface GigabitEthernet4/0/0
#
interface NULL0
#
interface LoopBack0
ip address 10.255.255.6 255.255.255.255
isis enable 100
#
bfd 10 bind peer-ip 10.201.4.1 source-ip 10.201.4.2
#
bfd 20 bind peer-ip 10.201.4.5 source-ip 10.201.4.6
#
bgp 65006
router-id 10.255.255.6
graceful-restart
peer 10.201.4.1 as-number 65001
peer 10.201.4.1 password simple cisco
peer 10.201.4.1 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.4.1 bfd enable
peer 10.201.4.5 as-number 65002
peer 10.201.4.5 password simple cisco
peer 10.201.4.5 bfd min-tx-interval 250 min-rx-interval 250
peer 10.201.4.5 bfd enable
peer 10.255.255.8 as-number 65006
peer 10.255.255.8 connect-interface LoopBack0
peer 10.255.255.8 password simple cisco
#
ipv4-family unicast
undo synchronization
peer 10.201.4.1 enable
peer 10.201.4.1 route-policy as65006-shengchan export
peer 10.201.4.5 enable
peer 10.201.4.5 route-policy as65006-bangong export
peer 10.255.255.8 enable
peer 10.255.255.8 next-hop-local
#
route-policy as65006-bangong permit node 10
if-match ip-prefix as65006-bangong
apply as-path 65006 65006 65006 additive
#
route-policy as65006-bangong permit node 20
#
route-policy as65006-shengchan permit node 10
if-match ip-prefix as65006-shengchan
apply as-path 65006 65006 65006 additive
#
route-policy as65006-shengchan permit node 20
#
ip ip-prefix as65006-bangong index 10 permit 10.79.1.0 24
ip ip-prefix as65006-bangong index 20 permit 10.79.2.0 24
ip ip-prefix as65006-shengchan index 10 permit 10.37.1.0 24
ip ip-prefix as65006-shengchan index 20 permit 10.37.2.0 24
#
user-interface con 0
authentication-mode password
user-interface vty 0 4
user-interface vty 16 20
#
wlan ac
#
return
XRV7
=====================================================================
#
sysname XRV7
#
vlan batch 2 to 4 100
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.7000.00
#
interface Vlanif1
ip address 10.158.1.254 255.255.255.0
#
interface Vlanif2
ip address 10.158.2.254 255.255.255.0
#
interface Vlanif3
ip address 10.133.1.254 255.255.255.0
#
interface Vlanif4
ip address 10.133.2.254 255.255.255.0
#
interface Vlanif100
ip address 10.10.3.2 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
port link-type access
port default vlan 100
#
interface LoopBack0
ip address 10.255.255.7 255.255.255.255
isis enable 100
#
bgp 65004
router-id 10.255.255.7
graceful-restart
peer 10.255.255.5 as-number 65004
peer 10.255.255.5 password simple cisco
#
ipv4-family unicast
undo synchronization
network 10.133.1.0 255.255.255.0
network 10.133.2.0 255.255.255.0
network 10.158.1.0 255.255.255.0
network 10.158.2.0 255.255.255.0
peer 10.255.255.5 enable
#
user-interface con 0
user-interface vty 0 4
#
return
XRV8
=====================================================================
#
sysname XRV8
#
vlan batch 2 to 4 100
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
isis 100
is-level level-2
network-entity 49.0000.1025.5255.8000.00
#
interface Vlanif1
ip address 10.79.1.254 255.255.255.0
#
interface Vlanif2
ip address 10.79.2.254 255.255.255.0
#
interface Vlanif3
ip address 10.37.1.254 255.255.255.0
#
interface Vlanif4
ip address 10.37.2.254 255.255.255.0
#
interface Vlanif100
ip address 10.10.4.2 255.255.255.252
isis enable 100
isis circuit-level level-2
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
port link-type access
port default vlan 100
#
interface LoopBack0
ip address 10.255.255.8 255.255.255.255
isis enable 100
#
bgp 65006
router-id 10.255.255.8
graceful-restart
peer 10.255.255.6 as-number 65006
peer 10.255.255.6 connect-interface LoopBack0
peer 10.255.255.6 password simple cisco
#
ipv4-family unicast
undo synchronization
network 10.37.1.0 255.255.255.0
network 10.37.2.0 255.255.255.0
network 10.79.1.0 255.255.255.0
network 10.79.2.0 255.255.255.0
peer 10.255.255.6 enable
#
user-interface con 0
user-interface vty 0 4
#
return
在XRV7上通过源10.158.1.254 tracert 10.79.1.254
=====================================================================
<XRV7>tracert -a 10.158.1.254 10.79.1.254
traceroute to 10.79.1.254(10.79.1.254), max hops: 30 ,packet length: 40,press CTRL_C to break
1 10.10.3.1 30 ms 30 ms 50 ms
2 10.201.3.1 50 ms 40 ms 40 ms
3 10.10.1.2 70 ms 70 ms 30 ms
4 10.201.4.2 80 ms 30 ms 60 ms
5 10.10.4.2 80 ms 60 ms 60 ms
<XRV7>
在XRV7上通过源10.133.1.254 tracert 10.37.1.254
=====================================================================
<XRV7>tracert -a 10.133.1.254 10.37.1.254
traceroute to 10.37.1.254(10.37.1.254), max hops: 30 ,packet length: 40,press CTRL_C to break
1 10.10.3.1 50 ms 40 ms 30 ms
2 10.201.3.5 50 ms 50 ms 50 ms
3 10.10.2.2 60 ms 60 ms 50 ms
4 10.201.4.6 60 ms 60 ms 60 ms
5 10.10.4.2 70 ms 60 ms 60 ms
<XRV7>
在XRV1上将g0/0/2接口shutdown后在XRV7上通过源 10.158.1.254 tracert 10.79.1.254
=====================================================================
<XRV7>tracert -a 10.158.1.254 10.79.1.254
traceroute to 10.79.1.254(10.79.1.254), max hops: 30 ,packet length: 40,press CTRL_C to break
1 10.10.3.1 30 ms 50 ms 30 ms
2 10.201.3.5 40 ms 50 ms 30 ms
3 10.201.1.1 80 ms 60 ms 70 ms
4 10.10.1.2 60 ms 60 ms 60 ms
5 10.201.4.2 70 ms 60 ms 60 ms
6 10.10.4.2 90 ms 80 ms 80 ms
<XRV7>
在XRV1上将g0/0/2和g1/0/1接口同时shutdown后在XRV7上通过源 10.158.1.254 tracert 10.79.1.254
=====================================================================
<XRV7>tracert -a 10.158.1.254 10.79.1.254
traceroute to 10.79.1.254(10.79.1.254), max hops: 30 ,packet length: 40,press CTRL_C to break
1 10.10.3.1 20 ms 40 ms 30 ms
2 10.201.3.5 50 ms 50 ms 40 ms
3 10.10.2.2 70 ms 40 ms 40 ms
4 10.201.2.1 70 ms 30 ms 80 ms
5 10.201.4.2 30 ms 100 ms 60 ms
6 10.10.4.2 90 ms 80 ms 80 ms
<XRV7>
BGP的一网双平面规划的更多相关文章
- 基于 Azure IaaS 搭建企业官网的规划和实践
本课程主要介绍了基于 Azure IaaS 搭建企业官网的案例分析和实践,实践讲解如何使用 Azure 门户创建虚拟机, 创建虚拟网络, 创建存储账户等. 具体包括项目背景介绍, 项目架构, 准备和实 ...
- 运营商专线服务的基本原理（BGP传递私网路由）
- IT基础架构规划方案一(网络系统规划)
背景 某集团经过多年的经营,公司业务和规模在不断发展,公司管理层和IT部门也认识到通过信息化手段可以更好地支撑公司业务运营.提高企业生产和管理效率.同时随着新建办公 ...
- Optaplanner逐步学习(0) ： 基本概念 - Optaplanner,规划问题， 约束，方案
之前的文章中,分别从APS,排产到规划引擎叙述了一些理论基础:并介绍了一些Optaplanner大概的情况:并一步步将Optaplanner的示例运行起来,将示例源码导进Eclipse分析了一下它的H ...
- 1.7－BGP①
IGP: 包括RIP/EIGRP/OSPF/ISIS/ODR等动态路由协议 运行在同一个AS中, 通过Cost/Metirc来判断路由的优劣(越小越好): AS:自治系统(小) A ...
- 园区IP地址规划（非常详细）
转:https://mp.weixin.qq.com/s/Zlm7x5eunIYLAG7Sp0yVCQ 经过这些年工作,接触从几万.几十万到上亿的项目都有: 我简单总结了接触的大部分的项目,将园区网核 ...
- 一文读懂内网、公网和NAT
我们做弱电监控系统的时候,都避免不了要跟IP地址打交道,比如摄像头.NVR.服务器等这些设备安装好之后,就需要给它们配上IP,那这个IP地址你了解嘛?今天我们就一起来聊聊什么是内网.公网和NAT地址转 ...
- Smart Framework
Smart Framework:轻量级 Java Web 框架 发表于2年前(2013-09-01 08:39) 阅读(48569) | 评论(188) 544人收藏此文章, 我要收藏 赞83 阿 ...
- Q in Q
简介 Q in Q技术(也称Stacked VLAN 或Double VLAN).标准出自IEEE 802.1ad,将用户私网VLAN Tag封装在公网VLAN Tag中,使报文带着两层VLAN Ta ...
随机推荐
- js如何实现动态克隆一个表格？
js如何实现动态克隆一个表格? 一.总结 1.通过innerHTML实现表格内容复制, 2.通过表格dom的属性(比如border)实现属性赋值, 3.通过表格dom的样式style实现样式的复制. ...
- Python正則表達式
Python正則表達式 正則表達式是一个特殊的字符序列,它能帮助你方便的检查一个字符串是否与某种模式匹配. Python 自1.5版本号起添加了re 模块,它提供 Perl 风格的正則表達式模式. r ...
- js进阶 9-12 js如何实现级联菜单 （章节测试）
js进阶 9-12 js如何实现级联菜单 (章节测试) 一.总结 一句话总结: 1.js如何实现级联菜单 ? 二维数组,以第一级菜单的文本值做键,以对应的二级菜单选项的文本做值 2.用哪个属性可以获 ...
- System.getProperty()获取系统的配置信息(系统变量)
原文地址:http://www.jsjtt.com/java/Javajichu/105.html 此处记录备用. 1. 通过System.getProperty()可以获取系统的配置信息,Syste ...
- 数组replaceObjectAtIndex
执行replaceObjectAtIndex方法前提是_temp_Array必须是可变数组 [_temp_Array replaceObjectAtIndex:2 withObject:tempDat ...
- 学习鸟哥的Linux私房菜笔记（5）——目录
一.目录 目录在文件类型上用d来表示,用 / 分割目录层 Linux操作系统 都有且仅有一个起始目录,我们用一个单独的 /来表示,称其为根目录. 对每一个Shell和操作环境,都有一个当前的工作目录. ...
- 【hdu2222】【poj2945】AC自动机入门题
HDU2222 传送门 题目分析 裸题:注意构建自动机用的是模式串,思想和kmp很类似. code: #include<iostream> #include<cstdio> # ...
- 【u127】台阶问题
Time Limit: 1 second Memory Limit: 128 MB [问题描述] 有N级的台阶,你一开始在底部,每次可以向上迈最多K级台阶(最少1级),问到达第N级台阶有多少种不同方式 ...
- Node.js，一生所爱
下午参加了<云品秀--前端前沿>,用友云平台前端架构师郭永峰(站着的那位)讲得很棒,而我最关注的就是Node了.最后我问了他关于独立开发,后端选择Node还是别的语言.他讲了很多,说自己在 ...
- Step-By-Step Installation of RAC with RAW Datafiles on Windows 2000
Step-By-Step Installation of RAC with RAW Datafiles on Windows 2000 Purpose This document will pr ...