CISCO IOS XE 17.x Application Services Configuration User Guide

Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks feature tso cai 802.1Q tags kom raug thauj hla ATM mus tas li virtual circuits (PVC) siv hauv Asymmetric Digital Subscriber Kab 2+ (ADSL2+) uplinks. Tsis tas li ntawd, 802.1P marking] raug tso cai thiab ua raws li 802.1Q tagging ib.

Nco tseg: Txawm hais tias daim ntawv no siv lub ntsiab lus ADSL, qhov no yuav tsum muaj ADSL2+ uplink.

802.1 Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks feature tso cai 802.1Q tags kom raug thauj hla ATM mus tas li virtual circuits (PVC) siv hauv Asymmetric Digital Subscriber Kab 2+ (ADSL2+) uplinks. Tsis tas li ntawd, 802.1P cim tau tso cai thiab ua raws li 802.1Q tagging ib.

Nco tseg Txawm hais tias daim ntawv no siv lub ntsiab lus ADSL, qhov no yuav tsum muaj ADSL2+ uplink.

Yam yuavtsum tau kawm uantej rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 1

Kev txwv rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 2
Cov Ntaub Ntawv Txog Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 2

Yuav ua li cas Configure Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 5
Configuration Examples rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 10

Cov Lus Qhia Ntxiv, ntawm nplooj 13
Cov ntaub ntawv tshwj xeeb rau khaws cia 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks, ntawm nplooj 14
Glossary, ntawm nplooj 14

Yam yuavtsum tau kawm uantej rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Koj yuav tsum muaj kev nkag siab yooj yim ntawm ATM, txuas txuas, DHCP, thiab VLANs ua ntej teeb tsa qhov tshwj xeeb no.

Txhawb tsuas yog ib qho txuas nrog 802.1Q VLAN.
Yuav tau teeb tsa tsuas yog ntawm point-to-point ATM subinterface.
Siv ATM Adaptation Layer 5 Subnetwork Protocol Access Protocol (AAL5SNAP) encapsulation los pab thauj cov 802.1Q tag ntawm ATM PVC.

Cov Ntaub Ntawv Txog Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks Cov txiaj ntsig ntawm Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Marking

CPE tuaj yeem nqa tsheb nrog 802.1P-cim tus kws kho mob tshwj xeeb 802.1Q tags.
Cov kev pabcuam suab, video, thiab cov ntaub ntawv tuaj yeem siv tau ntawm cov neeg siv khoom. Qhov kev pabcuam kev sib koom ua ke no muaj lub sijhawm tiag tiag rau lub sijhawm ua haujlwm rau VoIP thiab ob txoj hauv kev uas muab kev pabcuam hauv Is Taws Nem zoo tshaj plaws.
Tag nrho cov tsheb khiav yog cim nrog 802.1P cim uas yog siv los ntawm VLAN-raws li kev pabcuam sib txawv.

Nco tseg Kev them nyiaj yug rau PVCs teeb tsa nrog Route-Bridge Encapsulation (RBE) tau qhia nrog CSCtt22809.

VLAN-Based Service Differentiation dua ADSL

VLAN-raws li kev pabcuam sib txawv tso cai rau cov neeg muab kev pabcuam muab ntau yam kev pabcuam dav dav thiab cov ntawv thov rau cov neeg siv kawg. Nws txhawb IP kev sib txuas cov ntawv thov uas xav tau kev ua haujlwm hauv lub sijhawm tiag tiag thiab cov ntawv thov uas siv kev siv dag zog zoo tshaj plaws, lossis kev ua haujlwm hauv Is Taws Nem.

Original VLAN tag nyob rau hauv ib pob ntawv inbound yog hloov mus rau tus nqi configured los ntawm tus choj-dot1q encap hais kom ua ua ntej lub tag tawm ntawm lub cuab yeej. Rau example, yog tias koj nkag mus rau qhov hais kom ua choj-dot1q encap 10, VLAN tag ntawm 70 nyob rau hauv ib pob ntawv inbound los ntawm lub zos network yog hloov mus rau ib tug nqi ntawm 10 nyob rau hauv lub egress pob ntawv. Ib qho 802.1P tus nqi raug hloov mus rau 0, thiab thav ntawv tsis muaj VLAN tags raug xa tawm hla ATM nrog ib qho ntxiv VLAN header raws li qhia hauv daim duab hauv "Kev Thauj Khoom 802.1P Cim 802.1Q Tags” ntu.
Los ntawm Ethernet foundations, qhov kev pabcuam no yog nqa los ntawm VLAN uas tau muab siab rau los ntawm kev xa mus rau qhov kawg-tus neeg siv thaj chaw. Qhov kev pabcuam VLAN-raws li kev sib txawv ntawm qib PVC yog qhia hauv daim duab hauv qab no.

Daim duab 1: VLAN-based Service Differentiation ntawm PVC Qib

Ethernet VLAN siv los ntawm lub suab, yees duab, thiab cov ntaub ntawv cov kev pabcuam yuav tsum raug txheeb xyuas ntawm cov neeg siv khoom thaj chaw los ntawm 802.1Q VLAN ID teeb tsa siv tus choj-dot1q encap hais kom ua. Lub VLAN raug txheeb xyuas ntawm qhov chaw muab kev pabcuam kawg los ntawm tus neeg muab kev pabcuam-tsim 802.1ad tus neeg siv khoom VLAN ID.
Tus choj-dot1q encap hais kom hloov pauv VLAN ID hauv zos rau VLAN ID xav tau los ntawm tus muab kev pabcuam. Kev ua haujlwm ntawm cov lus txib no tau qhia hauv daim duab hauv qab no.

Daim duab 2: Kev ua haujlwm ntawm tus choj-dot1q encap Command

Cov duab hauv "Kev Thauj Khoom 802.1P Kos Npe 802.1Q Tags” seem qhia PDU cov ntaub ntawv qauv hauv kev nthuav dav dua.

Thauj 802.1P cim 802.1Q Tags

802.1Q VLAN tag tau muab tso rau hauv MAC raws tu qauv Data Unit (PDU), thiab PDU no raug xa mus rau Digital Subscriber Line Access Multiplexer (DSLAM). Cov qauv PDU nkag thiab tawm tau pom nyob rau hauv ob daim duab hauv qab no.

Daim duab hauv qab no qhia txog cov qauv pob ntawv thaum cov khoom Ethernet tuaj tsis muaj VLAN header.

Daim duab 3: Cov qauv pob khoom nkag thiab tawm thaum tsis muaj VLAN ID tuaj

Daim duab hauv qab no qhia tau hais tias 4-byte VLAN header tau muab tso rau hauv pob ntawv tawm, nrog tus nqi 802.1P. Tus nqi VLAN ID yog teeb tsa los ntawm tus choj-dot1q encap hais kom ua.
Daim duab hauv qab no qhia txog cov qauv pob khoom tuaj thaum cov pob khoom Ethernet tuaj nrog VLAN header.

Daim duab 4: Cov qauv pob khoom nkag thiab tawm thaum muaj VLAN ID nkag los tam sim no

Cov txheej txheem pob ntawv tawm yog tib yam li hauv daim duab 1.

Nco tseg
802.1P qhov tseem ceeb uas tau teeb tsa ua ntej yog hloov mus rau 0, thiab txhua tus VLAN ID uas tau teeb tsa tau teeb tsa rau tus ID teeb tsa los ntawm tus choj-dot1q encap hais kom ua.

Lub CPE txuas nrog DSLAM ntawm lub ATM interface uas tau teeb tsa raws li qhov txuas txuas txuas. CPE tsim ib qho kev sib tham PPP dhau Ethernet (PPPoE) hla kev sib txuas ATM nrog tus muab kev pabcuam. VLAN thiab lub suab tsheb nkag mus rau cov neeg siv khoom siv ntawm VLAN cov chaw nres nkoj lossis Switched Virtual Interface (SVI).

Hauv CPE, pob ntawv tau muab faib ua cov ntaub ntawv lossis lub suab tsheb raws li VLAN ID, Differentiated Services Code Point (DSCP), raws tu qauv, qhov chaw nyob MAC, lossis chaw nres nkoj. Cov pob ntawv tau cim nrog cov pab pawg ua haujlwm zoo (QoS), thiab xa tawm los ntawm VLAN ntawm Bridge Virtual Interface (BVI) mus rau ATM PVC bridging interface.
Yog tias pob ntawv xav tau encapsulation, ATM muab lub neej ntawd VLAN ID. Yog tias muaj QoS txoj cai kev pabcuam txuas nrog PVC, pob ntawv raug cais tawm tsam QoS pawg. QoS cim qhov sib thooj VLAN ID thiab 802.1P lossis chav kawm ntawm kev pabcuam (CoS) tus nqi rau hauv pob ntawv VLAN header. QoS VLAN ID overwrite lub neej ntawd VLAN ID. Yog tias tsis muaj txoj cai muab kev pabcuam txuas rau hauv PVC, cov pob ntawv raug xa tawm nrog VLAN ID vim li cas thiab CoS cim cim.
Cov pob ntawv rov qab los ntawm tus neeg muab kev pabcuam lub network thiab destined rau tus neeg siv khoom lub network nqa VLAN tags. Lub ATM PVC interface tshem tawm VLAN tag ua ntej dhau nws rau kev ua haujlwm ntxiv. Cov pob ntawv no tsis xav tau kev faib tawm lossis QoS cim.
Siv PPPoE, CPE ntaus ntawv ua raws li PPPoE Dialer tus neeg siv khoom thiab tau txais IP chaw nyob dynamically los ntawm tus muab kev pabcuam los ntawm kev siv Point-to-Point Protocol. Lub Dialer interface yuav tsum tau teeb tsa thiab cuam tshuam nrog ATM PVC interface. Cov pob ntawv raug xa tawm nrog lub neej ntawd
VLAN ID raws li PPPoE txhawb nqa tsuas yog ib VLAN ID rau PVC. PPP tswj cov pob ntawv xws li PPPoE Active Discovery Initiation (PADI), PPPoE Active Discovery Request (PADR), PPPoE Active Discovery Terminate (PADT) thiab cov pob ntawv khaws cia tau cim nrog qhov tseem ceeb dua CoS cov cim zoo ib yam li cov tsheb khiav hauv lub sijhawm. Lub VLAN header yuav tsum tau muab tshem tawm ntawm pob ntawv ntawm ingress interface (ATM PVC) thaum lub pob ntawv rov qab.

Yuav ua li cas Configure Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Configuring Preserve 802.1Q Tagging nrog 802.1P Kos hla ATM PVCs

Ua txoj haujlwm no txhawm rau txhim kho Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks feature.
Tsuas yog ib tus choj-dot1q encaplan-id cov lus txib tuaj yeem teeb tsa hauv qab PVC. Tsuas yog ib qho VLAN ID tau tso cai rau ib zaug siv PPPoE. Kev sib tham PPPoE tuaj yeem raug txiav tawm yog tias qhov teeb tsa VLAN ID (teeb tsa siv lub teeb vainer lossis choj-dot1q encapvlanid hais kom ua) txawv ntawm qhov default VLAN ID.

QHOV TSEEB

pab
configure lub davhlau ya nyob twg
class-map match-tag nrho egress
match qo-group number
class-map match-tag nrho ingress
phim lub npe nkag-interface
txoj cai-map egress-policy
chav kawm egress
set cos num
teem vlan-inner number
tawm
tawm
txoj cai-map ingress-policy
chav kawm ingress
set qo-group number
tawm
tawm
Nkag mus rau ib qho ntawm cov hauv qab no:
- • interface atm interface-id point-to-point
- • interface atm qhov / 0 point-to-point
- • interface atm slot/port-adaptor/0 point-to-point
choj-pab pawg-npe
pvc vape/vci
choj-dot1q encap providervlan-id
encapsulation aal5snap
service-policy tawm egress-policy
pppoeclient dial-pool-number tooj
pppoeclient control-packets plan cos naj npawb
service-policy input ingress-txoj cai
kawg

QHOV TSEEB

	Hais kom ua los yog ua	Lub hom phiaj
Kauj ruam 1	pab Example Ntaus> pab	Ua kom muaj cai EXEC hom. Sau koj tus password yog tias tau txais kev ceeb toom.
Kauj ruam 2	configure lub davhlau ya nyob twg Example Ntaus # configure terminal	Nkag mus rau hom kev teeb tsa thoob ntiaj teb.

	Hais kom ua los yog ua	Lub hom phiaj
Kauj ruam 3	class-map match-tag nrho egress Example: Device(config)# class-map match-all egress	Txiav txim siab seb cov pob ntawv raug soj ntsuam li cas thaum muaj ntau yam kev sib tw muaj nyob rau hauv egress.
Kauj ruam 4	match qob tus lej Example: Device(config)# match qo-group 101	Txheeb xyuas qhov tshwj xeeb ntawm kev pabcuam zoo (QoS) pab pawg tus nqi raws li kev sib tw. Qhov ntau yog los ntawm 0 txog 1023.
Kauj ruam 5	class-map match-tag nrho ingress Example: Device(config)# class-map match-all ingress	Txiav txim siab seb cov pob ntawv raug soj ntsuam li cas thaum muaj ntau yam kev sib tw muaj nyob rau qhov nkag.
Kauj ruam 6	match input-interface npe Example: Device(config)# match input-interface Vlan2	Configures ib daim ntawv qhia hauv chav kawm ntawv siv cov kev qhia input interface raws li kev sib tw.
Kauj ruam 7	txoj cai-map egress-policy Example: Device(config)# policy-map egress-policy	Tsim lossis hloov kho daim ntawv qhia txoj cai uas tuaj yeem txuas rau ib lossis ntau qhov sib cuam tshuam los qhia txog txoj cai kev pabcuam egress thiab nkag mus rau txoj cai-map configuration hom.
Kauj ruam 8	chav kawm egress Example: Device(config-pmap)# class egress	Qhia meej lub npe ntawm chav kawm egress uas nws txoj cai koj xav tsim lossis hloov lossis qhia cov chav kawm ua ntej (feem ntau hu ua chav kawm-default class) ua ntej koj teeb tsa nws txoj cai. Nkag mus rau txoj cai-daim ntawv qhia chav kawm hom kev teeb tsa.
Kauj ruam 9	set coj tus lej Example: Device(config-pmap-c)# set cos 5	Teem tus nqi CoS. Qhov ntau yog los ntawm 0 mus rau 7. Nco tseg The “set cos ” hais kom ua cim cov pob ntawv DOT1Q xa los ntawm ATM interface nrog tus nqi cos (bitp) dhau ATM AAL header. Txhawm rau teeb tsa "set cos ” hais kom ua hauv kev nqis tes ua, txoj cai yuav tsum muaj ntsia rau ntawm lub interface siv cov lus txib "service-policy out ”. Thaum txoj cai tau qhib, "set cos ” hais kom muab cov cos tus nqi tshwj xeeb hauv qab VLAN header. Qhov no feature yog muaj los ntawm 17.7 tso tawm.
Kauj ruam 10	teeb vlan-inner tus lej Example: Device(config-pmap-c)# set vlan-inner 333	(Rau PPPoE) Teem lub VLAN sab hauv tus nqi. Qhov ntau yog los ntawm 1 txog 4094.
Kauj ruam 11	tawm Example	Tawm txoj cai-daim ntawv qhia chav kawm hom kev teeb tsa thiab rov qab mus rau txoj cai-daim ntawv qhia kev teeb tsa hom.

	Hais kom ua los yog ua	Lub hom phiaj
	Device(config-pmap-c)# tawm
Kauj ruam 12	tawm Example: Device(config-pmap)# tawm	Tawm txoj cai-daim ntawv qhia kev teeb tsa hom thiab rov qab mus rau hom kev teeb tsa thoob ntiaj teb.
Kauj ruam 13	txoj cai-map ingress-policy Example: Device(config)# policy-map ingress-policy	Tsim lossis hloov kho daim ntawv qhia txoj cai uas tuaj yeem txuas rau ib lossis ntau qhov sib cuam tshuam los qhia txog txoj cai kev pabcuam ingress thiab nkag mus rau txoj cai-map configuration hom.
Kauj ruam 14	chav kawm ingress Example: Device(config-pmap)# class ingress	Qhia meej lub npe ntawm chav ingress uas nws txoj cai koj xav tsim lossis hloov lossis qhia cov chav kawm ua ntej (feem ntau hu ua chav kawm-default class) ua ntej koj teeb tsa nws txoj cai. Nkag mus rau txoj cai-daim ntawv qhia chav kawm hom kev teeb tsa
Kauj ruam 15	set qob tus lej Example: Device(configmap-c)# set qo-group 101	Teem tus nqi CoS rau ib pab pawg CoS. Qhov ntau yog los ntawm 0 txog 1023.
Kauj ruam 16	tawm Example: Device(configmap-c)# tawm	Tawm txoj cai-daim ntawv qhia chav kawm hom kev teeb tsa thiab rov qab mus rau txoj cai-daim ntawv qhia kev teeb tsa hom.
Kauj ruam 17	tawm Example: Device(configmap)# tawm	Tawm txoj cai-daim ntawv qhia kev teeb tsa hom thiab rov qab mus rau hom kev teeb tsa thoob ntiaj teb.
Kauj ruam 18	Nkag mus rau ib qho ntawm cov hauv qab no: interface atm interface-id taw tes rau taw tes interface atm qhov / 0 point-to-point interface atm qhov/ chaw nres nkoj-adaptor/0 point-to-point Example Device(config)# interface atm0 point-to-point Example Device(config)# interface atm 0/0 point-to-point Example: Device(config)# interface atm 0/1/0.1 point-to-point	Qhia meej lub ATM point-to-point interface siv hom ntawv uas tsim nyog ntawm cov lus txib thiab nkag mus rau hauv interface lossis sub interface configuration hom.
Kauj ruam 19	choj-pab pawg pab pawg neeg Example: Device(config-if)# choj-pab pawg 1	Muab lub interface lossis sub interface rau ib pawg choj.

	Hais kom ua los yog ua	Lub hom phiaj
Kauj ruam 20	pvc ua vpi/vci Example: Device(config-if)# pvc 9/117	Tsim ib tug PVC ntawm ib tug tshwj xeeb virtual path identifier (VPI) / virtual circuit identifier (VCI) tus naj npawb thiab nkag mus rau interface ATM VC configuration hom lossis sub interface ATM VC configuration hom.
Kauj ruam 21	choj-dot1q encamp providervlan-id Example: device(config-if-ATM-vc)# choj-dot1q encap	Ua kom lub router suav nrog 802.1Q VLAN ID hauv MAC PDU. Tus muab kev pabcuam VLAN ID ntau yog los ntawm 1 txog 4094.
Kauj ruam 22	encapsulation aal5snap Example: Device(config-if-atm-vc)# encapsulation aal5snap	Qhia meej txog ATM Adaptation Layer 5 (AAL5) encapsulation hom. AAL5SNAP yog siv kom muaj ob lossis ntau qhov kev cai tuaj yeem ua ntau yam hla lub voj voog virtual.
Kauj ruam 23	service-policy tawm egress-policy Example: Device(config-if-ATM-vc)# service-policy out egress-policy	Txhais txoj cai kev pab cuam ntawm lub egress.
Kauj ruam 24	pppoe-neeg siv xov tooj-pool-number tus lej Example: Device(config-if-atm-vc)# pepo-client dial-pool-number 1	Configures PPP hla Ethernet (PPPoE) tus neeg siv khoom thiab qhia meej txog kev hu xov tooj ntawm qhov xav tau (DDR) kev ua haujlwm.
Kauj ruam 25	pppoe-neeg siv khoom tswj-pob khoom npaj cos tus lej Example: Device(config-if-atm-vc)# pppoe-client control-packets vlan cos 6	Ua kom CoS cim rau PPPoE tswj pob ntawv ntawm PPPoE tus neeg siv khoom.
Kauj ruam 26	service-policy input ingress-txoj cai Example Device(config-if-atm-vc)# service-policy input ingress-policy	Txhais txoj cai kev pab cuam ntawm lub ingress.
Kauj ruam 27	kawg Example Device(config-if-atm-vc)# kawg	Tawm interface ATM VC configuration hom, lossis sub interface ATM VC configuration hom thiab rov qab mus rau EXEC hom.

Cov lus qhia daws teeb meem

Txhawm rau daws teeb meem PPP kev teeb tsa, siv cov lus txib hauv qab no:
- debug ppp authentication
- debug ppp kev sib tham
Txhawm rau daws qhov teeb meem ntawm kev tsim PPP ntu uas tau lees paub los ntawm RADIUS lossis TACACS server, siv cov lus txib hauv qab no:
- debug aaa authentication
- debug aaa tso cai

Ceev faj
Siv cov lus txib debug nrog ceev faj heev vim lawv yog CPU-intensive thiab tuaj yeem cuam tshuam rau koj lub network.

Configuration Examples rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Example: Tsheb thauj neeg los ntawm Ntau VLANs Nkag Nkag mus rau VLAN

Cov nram qab no example qhia yuav ua li cas cov tsheb khiav los ntawm ntau VLANs nkag mus yog txuas mus rau ib qho VLAN tawm. Cov tsheb khiav tuaj txog ntawm Txheej 2 Fast Ethernet ports thiab DHCP server muab IP chaw nyob ntawm lub network ntiag tug. Network Address Translation (NAT) tau qhib. Tus IP chaw nyob zoo li qub yog siv rau ntawm qhov txuas txuas txuas txuas txuas nrog Virtual Interface (BVI).
Qhov no topology yog qhia nyob rau hauv daim duab hauv qab no.

Daim duab 5: Topology: Tsheb thauj neeg los ntawm ntau yam VLANs nkag mus rau ib qho VLAN tawm

Cov kev teeb tsa hauv qab no yog rau Cisco 877 router.

ip dhcp excluded-chaw nyob 192.168.10.1
ip dhcp excluded-chaw nyob 192.168.20.1
ip dhcp pas test_pool1network 192.168.10.0 255.255.255.0 default-router 192.168.10.1
ip dhcp pas test_pool2 network 192.168.20.0 255.255.255.0 default-router 192.168.20.1

Example: Tsheb thauj neeg los ntawm Ntau VLANs tuaj txog ntawm Router hla txheej 3 Chaw nres nkoj

ATM interface 0
tsis muaj chaw nyob ip
tsis muaj atm ilmi-keepalive
interface ATM0.1 point-to-point
choj-pab pawg 1
choj-pab pawg 1 spanning-disabled pvc 0/110
choj-dot1q encap 10 encapsulation aal5snap interface FastEthernet0
switchport access vlan 1 interface FastEthernet1 switchport access vlan 100 interface Vlan1

IP chaw nyob 192.168.10.1 255.255.255.0
ip nat ua
ip virtual-reassembly
interface Vlan100
IP chaw nyob 192.168.20.1 255.255.255.0
ip nat ua
ip virtual-reassembly
interface BVI1
IP chaw nyob 10.0.0.0 255.0.0.0
ip nat sab
ip virtual-reassembly
ip forward-protocol nd
ip txoj kev 0.0.0.0 0.0.0.0 10.0.0.2
ip nat pool test 10.0.0.0 10.0.0.0 netmask 255.0.0.0
ip nat sab hauv daim ntawv teev npe 101 pas dej ua ke xeem dhau kev nkag-daim ntawv 102 tso cai ip 192.168.20.0 0.0.0.255 ib qho logbridge 1 raws tu qauv ieee choj 1 txoj kev ip
ip nat sab hauv daim ntawv teev npe 102 pas dej ua ke ntsuas dhau kev nkag-daim ntawv 101 tso cai ip 192.168.10.0 0.0.0.255 txhua lub cav

Example: Tsheb khiav los ntawm MultipleVLANs tuaj txog ntawm Router hla ib Txheej 3 Chaw nres nkoj

Cov nram qab no example qhia yuav ua li cas kev khiav tsheb los ntawm ntau VLANs tuaj txog ntawm lub router hla Layer 3 chaw nres nkoj. Tag nrho cov kev tsheb no yog txuas mus rau ib qho ATM virtual Circuit Court rau tus muab kev pabcuam DSLAM thiab tagua cu a
ib VLAN tag. Ob qhov WAN thiab LAN IP chaw nyob yog muab los ntawm DHCP servers.
Qhov no topology yog qhia nyob rau hauv daim duab hauv qab no.

Daim duab 6: Topology: Tsheb thauj neeg los ntawm Ntau VLANs tuaj txog ntawm Router hla txheej 3 Chaw nres nkoj

Cov kev teeb tsa hauv qab no yog rau Cisco 877 router.

IP chaw nyob 192.168.10.1 255.255.255.0
ip nat ua
ip virtual-reassembly
interface Vlan100
IP chaw nyob 192.168.20.1 255.255.255.0
ip nat ua
ip virtual-reassembly
interface BVI1
IP chaw nyob 10.0.0.0 255.0.0.0
ip nat sab
ip virtual-reassembly
ip forward-protocol nd
ip txoj kev 0.0.0.0 0.0.0.0 10.0.0.2
ip nat pool test 10.0.0.0 10.0.0.0 netmask 255.0.0.0
ip nat sab hauv daim ntawv teev npe 101 pas dej ua ke xeem dhau kev nkag-daim ntawv 102 daim ntawv tso cai
ip 192.168.20.0 0.0.0.255 tej logbridge 1 raws tu qauv ieee choj 1 txoj kev ip
ip nat sab hauv daim ntawv teev npe 102 pas dej ua ke xeem dhau kev nkag-daim ntawv 101 daim ntawv tso cai

ip 192.168.10.0 0.0.0.255 ib log
interface BVI1
ipddcp ua
ip nat sab
ip virtual-reassembly
ip forward-protocol nd
ip nat hauv daim ntawv teev npe 101 interface BVI1 overload
ip nat hauv daim ntawv teev npe 102 interface BVI1 overload
access-list 101 daim ntawv tso cai ip 192.168.10.0 0.0.0.255 txhua lub log
access-list 102 daim ntawv tso cai ip 192.168.20.0 0.0.0.255 txhua lub log
choj 1 raws tu qauv ieee
choj 1 route ip

Cov ntaub ntawv ntxiv

Cov ntaub ntawv ntsig txog

Lwm Yam Hais Txog	Document Title
Cisco IOS commands	Cisco IOS Master Commands List, Txhua Qhov Kev Tshaj Tawm
ATM cov lus txib	Cisco IOS Asynchronous Transfer Mode Command Reference

Cov qauv thiab RFCs

Txheem / RFC	Title
IEEE 802.1 P	Traffic Class Expediting thiab Dynamic Multicast Filtering
IEEE 802.1 Q	Virtual LANs
IEEE 802.3	LAN/MAN CSMA/CD (Ethernet) Access Method
ITU-T G.992.1 (G.dmt)	Asymmetrical Digital Subscriber Line (ADSL) Transceivers
ITU-T G.992.5	Asymmetrical Digital Subscriber Line (ADSL) Transceivers-Extended Bandwidth ADSL2 (ADSL2+)
ITU-T I363.5	B-ISDN ATM Adaptation Layer Specification: Hom 5 AAL

Kev Pabcuam

Kev piav qhia

Txuas

Cisco Txhawb Nqa thiab Cov Ntaub Ntawv weblub vev xaib muab cov peev txheej online los rub tawm cov ntaub ntawv, software, thiab cov cuab yeej. Siv cov peev txheej no los nruab thiab teeb tsa cov software thiab daws teeb meem thiab daws teeb meem nrog Cisco cov khoom lag luam thiab thev naus laus zis. Nkag mus rau feem ntau cov cuab yeej ntawm Cisco Kev Txhawb Nqa thiab Cov Ntaub Ntawv website yuav tsum muaj Cisco.com tus neeg siv ID thiab lo lus zais.

http://www.cisco.com/cisco/web/support/index.html

Cov ntaub ntawv tshwj xeeb rau khaws cia 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Cov lus hauv qab no muab cov ntaub ntawv tshaj tawm txog cov yam ntxwv lossis cov yam ntxwv uas tau piav qhia hauv cov qauv no.
Cov lus no tsuas yog sau cov software tso tawm uas qhia txog kev txhawb nqa rau ib qho tshwj xeeb hauv ib qho kev qhia tawm software. Tshwj tsis yog tau sau tseg lwm yam, kev tshaj tawm tom ntej ntawm qhov software tso tawm tsheb ciav hlau kuj txhawb nqa qhov ntawd.

Siv Cisco Feature Navigator los nrhiav cov ntaub ntawv hais txog kev txhawb nqa platform thiab Cisco software duab txhawb.
Txhawm rau nkag mus rau Cisco Feature Navigator, mus rau www.cisco.com/go/cfn. Tsis tas yuav muaj ib tus account ntawm Cisco.com.

Table 1: Cov Lus Qhia Tshwj Xeeb rau Preserve 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

Lub npe feature	Tso tawm	Cov ntaub ntawv tshwj xeeb
802.1 Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks	15.1 (2) Nws	Kev Tiv Thaiv 802.1Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks feature tso cai 802.1P cim raws li 802.1Q tags thiab kev thauj mus los ntawm cov no tags tshaj ATM PVC siv hauv ADSL2+ uplinks. Cov lus txib hauv qab no tau qhia: pppoeclient control-packets plan cos, teeb vainer.
Thauj VLAN Tags ntawm DSL Links	15.0(1) XA	The Transporting VLAN Tags dhau DSL Links feature tso cai 802.1Q tags yuav tsum tau thauj hla ATM PVCs siv hauv ADSL2+ uplinks. Cov lus txib hauv qab no tau qhia: choj dot1q encamp.

Glossary
802.1ad—Ib qho kev hloov kho rau IEEE 802.1Q uas tso cai rau tus neeg muab kev pabcuam muab cov VLANs txuas nrog nws lub network.
802.1P—A 3-ntsis teb hauv Ethernet ncej header ntxiv thaum siv IEEE 802.1Q ntawm IEEE 802.1D network. Nws qhia txog tus nqi tseem ceeb ntawm 0 thiab 7 uas tuaj yeem siv los ntawm kev pabcuam zoo (QoS) kev qhuab qhia kom sib txawv ntawm kev tsheb

802.1 Q Tagging nrog 802.1P Cim hla ATM PVCs rau xDSL Uplinks

802.1 Q-Cov txheej txheem sib txuas lus sau los ntawm IEEE 802.1 pawg neeg ua haujlwm tso cai rau ntau lub network sib txuas kom pom tseeb sib koom ua ke tib lub cev sib txuas yam tsis muaj kev xau ntawm cov ntaub ntawv ntawm tes hauj lwm. 802.1Q feem ntau hu ua VLAN tagging ib.

AAL5SNAP—ATM Adaptation Layer 5 Subnetwork Protocol Access Protocol. Ib hom network encapsulation uas txhawb multiplexing ntawm ob los yog ntau tshaj raws tu qauv ntawm ib tug virtual circuit.
ATM—Asynchronous Hloov Hom. Tus txheej txheem thoob ntiaj teb rau kev xa xov tooj ntawm tes uas muaj ntau hom kev pabcuam (xws li lub suab, video, lossis cov ntaub ntawv) raug xa mus rau qhov ntev-ntev (53-byte) hlwb. Cov kab mob ntev-ntev tso cai rau kev ua haujlwm ntawm tes tshwm sim hauv cov khoom siv kho vajtse, yog li txo cov kev thauj mus los qeeb. ATM yog
tsim los coj advantage ntawm high-speed kis tau tus mob media, xws li E3, SONET, thiab T3.

BVI—Bridge Group Virtual Interface. Ib txheej txheej txheej txheej 3-tsuas yog cuam tshuam nrog cov pab pawg choj thaum kev sib txuas thiab kev sib txuas (IRB) raug teeb tsa.
CPE—Cov neeg siv khoom hauv tsev. Kev txiav cov khoom siv, xws li terminals, xov tooj, thiab modems, muab los ntawm lub tuam txhab xov tooj, ntsia ntawm cov neeg siv khoom, thiab txuas nrog lub tuam txhab xov tooj network. Lo lus no tseem tuaj yeem xa mus rau txhua yam khoom siv xov tooj uas nyob ntawm tus neeg siv khoom.
CVLAN—Cov neeg siv khoom Virtual Local Area Network.
DSL—Digital subscriber kab. Ib qho kev siv thev naus laus zis hauv pej xeem uas xa cov bandwidth siab tshaj li cov xov tooj tooj cua ntawm qhov kev ncua deb. Muaj plaub hom DSL: ADSL, HDSL, SDSL, thiab VDSL.

DSLAM-Digital subscriber kab nkag multiplexer. Ib qho khoom siv uas txuas ntau cov kab neeg siv digital mus rau ib lub network los ntawm multiplexing DSL tsheb mus rau ib lossis ntau lub network kab.
IRB—Integrated routing thiab bridging. Integrated Services Digital Network (ISDN) User Part. Daim ntawv thov txheej saum toj kawg nkaus txhawb los ntawm Signaling System 7 rau kev sib txuas teeb tsa thiab rhuav tshem.
NAT—Kev Txhais Lus Network. Ib txoj hauv kev los txo qhov kev xav tau ntawm lub ntiaj teb tshwj xeeb IP chaw nyob. NAT tso cai rau lub koom haum nrog qhov chaw nyob uas tsis yog lub ntiaj teb tshwj xeeb los txuas rau Is Taws Nem los ntawm kev txhais cov chaw nyob rau hauv qhov chaw nyob thoob ntiaj teb. Kuj hu ua Network Address Translator.

PVC-Permanent virtual circuit (los yog txuas). Ib lub voj voog virtual uas tau tsim tas mus li. PVCs txuag bandwidth cuam tshuam nrog kev tsim hluav taws xob thiab rhuav tshem hauv cov xwm txheej uas qee lub voj voog virtual yuav tsum muaj nyob txhua lub sijhawm. Hauv ATM terminology, qhov no yog hu ua kev sib txuas mus tas li virtual.
VoIP- Suab tshaj IP. Lub peev xwm nqa tau lub suab zoo li ib txwm siv los ntawm IP-based Internet nrog cov kev pabcuam hauv xov tooj qub (POTS) xws li kev ua haujlwm, kev ntseeg siab, thiab lub suab zoo.

Cov ntaub ntawv / Cov ntaub ntawv

CISCO IOS XE 17.x Application Services Configuration [ua pdf] Cov neeg siv phau ntawv qhia
IOS XE 17.x Application Services Configuration, Application Services Configuration, Services Configuration, Configuration

Cov ntaub ntawv

Cov neeg siv phau ntawv

CISCO IOS XE 17.x Application Services Configuration

Cov ntaub ntawv khoom