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Content

CHAPTER 1 ROUTING PROTOCOL

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1.1

OUTING

ROTOCOL

VERVIEW

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1.1.1 Routing Table

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1.2

OUTING

OLICY

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1.2.1 Introduction to Routing Policy

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1.2.2 IP Routing Policy Configuration Task List

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1.2.3 Commands for Routing Policy

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1.2.4 Configuration Examples

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1.2.5 Troubleshooting

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1.3

TATIC

OUTE

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1.3.1 Introduction to Static Route

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1.3.2 Introduction to Default Route

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1.3.3 Static Route Configuration Task List

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1.3.4 Commands for Static Route

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1.3.5 Configuration Examples

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1.4

RIP

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1.4.1 Introduction to RIP

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1.4.2 RIP Configuration Task List

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1.4.3 Commands for RIP

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1.4.4 RIP Examples

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1.4.5 RIP Troubleshooting

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1.5

RIP

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1.5.1 Introduction to RIPng

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1.5.2 RIPng Configuration Task List

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1.5.3 Commands For RIPng

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1.5.4 RIPng Configuration Examples

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1.5.5 RIPng Troubleshooting

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1.6

OSPF

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1.6.1 Introduction to OSPF

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1.6.2 OSPF Configuration Task List

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1.6.3 Commands for OSPF

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1.6.4 OSPF Example

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1.6.5 OSPF Troubleshooting

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1.7

OSPF

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1.7.1 Introduction to OSPFv3

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Содержание ES4624-SFP

Страница 1: ...Content www edge core com ES4624 SFP ES4626 SFP Routing Management Guide...

Страница 2: ...ion Task List 29 1 3 4 Commands for Static Route 30 1 3 5 Configuration Examples 32 1 4 RIP 33 1 4 1 Introduction to RIP 33 1 4 2 RIP Configuration Task List 34 1 4 3 Commands for RIP 41 1 4 4 RIP Exa...

Страница 3: ...9 5 MBGP4 Troubleshooting 246 CHAPTER 2 BLACK HOLE ROUTING MANUAL 247 2 1 INTRODUCTION TO BLACK HOLE ROUTING 247 2 2 IPV4 BLACK HOLE ROUTING CONFIGURATION TASKS 247 2 3 IPV6 BLACK HOLE ROUTING CONFIGU...

Страница 4: ...e layer3 switch and can be obtained with no calculation Static route is the manually specified path to a network or a host static route cannot be changed freely The advantage of static route is simple...

Страница 5: ...st or the network the layer3 switch resides For example the network address of a host or the segment the layer3 switch resides with a destination address of 200 1 1 1 and mask 255 255 255 0 is 200 1 1...

Страница 6: ...n ES4624 SFP ES4626 SFP switch route map acl as path community list and ip prefix for use We will introduce each filter in following sections 1 route map For matching certain properties of the specifi...

Страница 7: ...ied in routing messages filtering An ip prefix is identified by prefix list name Each prefix list may contain multiple items each of which specifies a matching range of a network prefix type and ident...

Страница 8: ...nfiguration mode match as path list name no match as path list name Match the autonomous system as path access list the BGP route passes through the no match as path list name command deletes match co...

Страница 9: ...gp incomplete Match the route origin The no match origin egp igp incomplete command deletes match condition match route type external type 1 type 2 no match route type external type 1 type 2 Match the...

Страница 10: ...comm list community list name community list num delete command deletes the configuration set community AA NN internet local AS no advertise no export none additive no set community AA NN internet loc...

Страница 11: ...set origin egp igp incomplete Set BGP routing origin The no set origin egp igp incomplete command deletes the configuration set originator id ip_addr no set originator id ip_addr Set routing originat...

Страница 12: ...ny permit any ip_addr mask_length ge min_prefix_len le max_prefix_len command deletes the configuration ip prefix list sequence number no ip prefix list sequence number Enable the sequence number auto...

Страница 13: ...minimum length of prefix to be matched ranging between 0 32 le means less than or equal to max_prefix_len is the maximum length of prefix to be matched ranging between 0 32 Default None Command Mode...

Страница 14: ...e this configuration Parameter list name is the name of access list Command Mode route map mode Usage Guide This command matches the AS path domain of the BGP routing message following the rules speci...

Страница 15: ...tching succeeded then the permit or deny action in the route map is performed This command is only used in RIP and OSPF protocols Example Switch config terminal Switch config route map r1 permit 5 Swi...

Страница 16: ...erformed Example Switch config terminal Switch config route map r1 permit 5 Switch config route map match metric 60 1 2 3 9 match origin Command match origin egp igp incomplete no match origin egp igp...

Страница 17: ...onfigure to matching with the tag domain of the OSPF routing message The no match tag tag val deletes this configuration Parameter tag val is the tag value ranging between 0 4294967295 Command Mode ro...

Страница 18: ...eck then it is considered denied by the route map If all nodes in the route map are set to deny mode then all routing message should not be able to pass that route map Example Switch config terminal S...

Страница 19: ...this configuration Parameter None Command Mode route map mode Usage Guide The BGP informs other BGP speaker by the atomic aggregate attributes Local system selects a sub specified route other than the...

Страница 20: ...one means delete the community attributes from the prefix of this route additive means add following existing community attributes Command Mode route map mode Usage Guide To use this command one match...

Страница 21: ...0 2 2 2 1 2 3 20 set local preference Command set local preference pre_val no set local preference pre_val Function Configure the local priority of BGP route The no set local preference pre_val comman...

Страница 22: ...te map set metric 60 1 2 3 22 set metric type Command set metric type type 1 type 2 no set metric type type 1 type 2 Function Configure the metric type of the OSPF routing message The no set metric ty...

Страница 23: ...match clause should at first be defined Example Switch config terminal Switch config route map r1 permit 5 Switch config route map set originator id 10 1 1 1 1 2 3 25 set tag Command set tag tag_val...

Страница 24: ...the best path option and validates only within the local switch While there are several route to the same destination the one with higher priority is more preferred To use this command one match claus...

Страница 25: ...1 1 1 2 5 Troubleshooting Faq The routing protocol could not achieve the routing messages study under normal protocol running state Troubleshooting check following errors Each node of route map shoul...

Страница 26: ...x list ip_addr len is the prefix ip address and the length of mask first match stands for the first route table matched with specified ip address longer means longer prefix is required seq means show...

Страница 27: ...ist summary mylist ip prefix list mylist count 2 range entries 0 sequences 5 10 Displayed information Explanation ip prefix list mylist Show the prefix list named mylist count 2 range entries 0 sequen...

Страница 28: ...Command show router id Function Show the content of router id Parameter None Default None Command Mode Admin and Configuration Mode Usage Guide None Example 1 Switch show router id Router ID 20 1 1 1...

Страница 29: ...oute introduced as required 1 3 2 Introduction to Default Route Default route is a kind of static route which is used only when no matching route is found In the route table default route in is indica...

Страница 30: ...n gateway interface is the next hop interface distance is the manage distance of route management ranging between 1 255 Default The management distance of static routing is defaulted at 1 Command Mode...

Страница 31: ...odes C connected S static R RIP derived O OSPF derived A OSPF ASE B BGP derived D DVMRP derived Destination Mask Nexthop Interface Preference C 2 2 2 0 255 255 255 0 0 0 0 0 vlan2 0 C 4 4 4 0 255 255...

Страница 32: ...iguration of layer3 SwitchA Switch config Switch config ip route 10 1 5 0 255 255 255 0 10 1 2 2 Configuration of layer3 SwitchC Switch config Next hop use the partner IP address Switch config ip rout...

Страница 33: ...be unreachable However the route of that layer3 switch will be kept in the route table for another 120 seconds before deletion As layer3 switches running RIP built route table with second hand informa...

Страница 34: ...mentioned RIP protocol allows route information discovered by the other routing protocols to be introduced to the route table It can also be as the protocol exchanging route messages with CE on PE rou...

Страница 35: ...IP I RIP II switch 1 Configure the RIP version to be used in all interfaces 2 Configure the RIP version to send receive in all interfaces 3 Configure whether to enable RIP packets sending receiving fo...

Страница 36: ...ghbor A B C D Specify the IP address of the neighbor router needs point transmitting the no neighbor A B C D command cancels the appointed router passive interface ifname no passive interface ifname B...

Страница 37: ...md5 Sets the authentication method the no ip rip authentication mode text md5 command cancels the authentication action ip rip authentication string text no ip rip authentication string Sets the auth...

Страница 38: ...acket the no offset list access list number access list name in out number ifname command removes the deviation table 4 configure and apply the route filtering Command Explanation Router configuration...

Страница 39: ...d cancels the limit timers basic update invalid garbage no timers basic Adjust the update timeout and garbage collection time the no timers basic command restore the default configuration recv buffer...

Страница 40: ...sending RIP packets on the interface the no ip rip send packet command disables sending RIP packets on the interface 4 Delete the specified route in RIP route table Command Explanation Admin mode cle...

Страница 41: ...ode and configuration mode show ip rip redistribute To display RIP routing introduced from other routing protocols 3 Debugging Command Notes Admin mode debug rip redistribute message send no debug rip...

Страница 42: ...n year specifies the year of valid start ranging between 1993 2035 seconds the valid period of the key in seconds ranging between 1 2147483646 Infinite means the key will never be out of date Default...

Страница 43: ...ches and show various adjustment debugging messages The no debug rip events nsm packet recv send detail all command close corresponding debugging switch Parameter events shows the debugging messages o...

Страница 44: ...set Example Set the default route metric value to 3 for introducing routes from other routing protocols into the RIP routes Switch config router default metric 3 Relevant Commands redistribute 1 4 3...

Страница 45: ...ltering Default The function in default situation is disabled Command Mode Router mode and address family mode Usage Guide The filter will be applied to all the interfaces in case no specific interfac...

Страница 46: ...figured without configuring the key chain or password used by the interface the authentication do no effect If mode has not been configured prior to configuring this command the mode will be set to pl...

Страница 47: ...tication in case no mode configuration is available The no ip rip authentication string command will cancel the authentication which only cancels the authentication process when sending or receiving d...

Страница 48: ...unction Set the version information of the RIP packets the interface receives The default version is 2 the no ip rip receive version command restores the value set by using the version command Paramet...

Страница 49: ...lit horizon poisoned no ip rip split horizon Function Enable split horizon The no ip rip split horizon disables the split horizon Parameter poisoned means configure the split horizon with poison rever...

Страница 50: ...ommand Mode Global Mode Example Switch config terminal Switch config key chain mychain Switch config keychain Relevant Commands key key string accept lifetime send lifetime 1 4 3 21 key string Command...

Страница 51: ...neighbor Command neighbor A B C D no neighbor A B C D Function Specify the destination address requires targeted peer sending The no neighbor A B C D command cancels the specified address and restores...

Страница 52: ...name is the access list or name to be applied number is the added offset value ranging between 0 16 ifname is the specific interface name Default Default offset value is the metric value defined by t...

Страница 53: ...into RIP Parameter kernel introduce from kernel routes connected introduce from direct routes static introduce from static routes ospf introduce from OSPF routes isis introduce from ISIS routes bgp i...

Страница 54: ...ble the RIP protocol mode Switch config router rip Switch config router 1 4 3 31 redistribute ospf Command redistribute ospf process id metric value route map word no redistribute ospf process id Func...

Страница 55: ...the due of the time period of which the form should be end time hh mm ss month day year hh mm ss day month year hh mm ss Specify the concrete valid time of accept lifetime in hours minutes and second...

Страница 56: ...her 120 seconds before it is deleted from the routing table Example Set the RIP update time to 20 seconds and the timeout period to 80 second the garbage collecting time to 60 seconds Switch Config Ro...

Страница 57: ...0 1 1 1 255 255 255 0 SwitchA config if Vlan1 Configure the IP address of interface vlan 2 SwitchA config vlan 2 SwitchA Config Vlan2 switchport interface ethernet 1 2 Set the port Ethernet1 2 access...

Страница 58: ...ig router rip SwitchB config router network vlan 1 SwitchB config router exit c Layer 3 SwitchC SwitchC config SwitchC config interface vlan 1 Configure the IP address of interface vlan 1 SwitchC Conf...

Страница 59: ...as 192 168 20 0 22 and send to S1 and not send subnet to neighbor It can reduce the router table of S1 save the memory S1 configuration list Switch1 config router rip Switch1 config router network vla...

Страница 60: ...g examples to associate with corresponding interfaces Then enter the RIP address family mode configuring corresponding parameters If the RIP routing problem remains unresolved please use debug rip com...

Страница 61: ...SM debugging is on 1 4 5 1 4 show ip protocols rip Command show ip protocols rip Function Show the RIP process parameter and statistics information Command Mode Any mode Example show ip protocols rip...

Страница 62: ...lt redistribution metric is 1 Redistributing static Redistributing the static route into the RIP route Default version control send version 2 receive version 2 Interface Send Recv Key chain Ethernet1...

Страница 63: ...route Parameter None Command Mode Admin Mode and Configuration Mode Default None Usage Guide This command is used to display which interface the aggregation route be configured Metric Count Suppress...

Страница 64: ...show ip rip 1 4 5 1 8 show ip rip interface Command show ip rip interface ifname Function Show the RIP related messages Parameter ifname is the name of the interface to show the messages Command Mode...

Страница 65: ...15 hops will be deemed as unreachable RIPng is an optional routing protocol based on UDP Hosts using RIPng send and receive packets on UDP port 521 All layer3 switches running RIP send their route tab...

Страница 66: ...o the route table The operation of RIPng protocol is shown below Enable RIPng The switch sends request packets to the neighbor layer3 switches by broadcasting on receiving the request the neighbor dev...

Страница 67: ...configure aggregation route of ipv6 route mode 2 To configure aggregation of ipv6 interface configuration mode 3 To display ipv6 aggregation route information 4 Redistribution of OSPFv3 Routing to RIP...

Страница 68: ...gure route introduction default route metric configure routes of the other protocols to be introduced in RIP Command Explanation Router configuration mode default metric value no default metric Config...

Страница 69: ...er access list name prefix prefix list name in out ifname command means do not set the route filter no aggregate address IPv6 address Configure route aggregation the no aggregate address IPv6 address...

Страница 70: ...re or delete ipv6 aggregation route globally 2 To configure ipv6 aggregation route on interface Command Explanation Interface Configuration Mode ipv6 rip aggregate address X X X X M no ipv6 rip aggreg...

Страница 71: ...ibute route receive To enable or disable debugging messages sent to NSM by RIP ng for redistribution of OSPFv3 routing To enable or disable debugging route messages received from NSM 1 5 3 Commands Fo...

Страница 72: ...Switch config terminal Switch config router ipv6 rip Switch config router default information originate 1 5 3 3 default metric Command default metric value no default metric Function Set the default...

Страница 73: ...nfig router rip Switch config router distance 8 fe80 1111 4200 21ff fe00 11 mylist 1 5 3 5 ipv6 rip aggregate address Command ipv6 rip aggregate address X X X X M no ipv6 rip aggregate address X X X X...

Страница 74: ...r the route renews messages sent and received The no distribute list access list name prefix prefix list name in out ifname vlan vlan id command cancels this filter function Parameter access list name...

Страница 75: ...o specified neighbor only Example Switch config terminal Switch config router ipv6 rip Switch config router neighbor FE80 506 2 Vlan1 1 5 3 10 offset list Command offset list access list name in out n...

Страница 76: ...ted introduce from direct routes static introduce from static routes ospf introduce from IPv6 OSPF routes isis introduce from IPv6 ISIS routes bgp introduce from IPv6 BGP routes value is the metric va...

Страница 77: ...bugging Routes configured by this command will not appear in kernel route table but in the RIPng route database however it could be located by using the show ipv6 rip command Command Mode Router mode...

Страница 78: ...er exit Configure the IPv6 address in vlan1 and configure vlan1 to run RIPng SwitchA config SwitchA config interface Vlan1 SwitchA config if Vlan1 IPv6 address 2000 1 1 1 64 SwitchA config if Vlan1 IP...

Страница 79: ...SwitchC config router IPv6 rip SwitchC config router rip exit Configure the IPv6 address and interfaces of Ethernet port vlan1 to run RIPng SwitchC config SwitchC config interface Vlan1 SwitchC config...

Страница 80: ...to the following first ensure the physic connection is correct and the IP Forwarding command is open second ensure the interface and link layer protocol are UP use show interface command then initiat...

Страница 81: ...m fe80 20b 46ff fe57 8e60 521 1970 01 01 21 15 09 IMI RECV Ethernet1 10 3000 1 1 64 is filtered by access list dclist 1970 01 01 21 15 09 IMI RECV Ethernet1 10 3ffe 1 1 64 is filtered by access list d...

Страница 82: ...event debugging is on RIPng packet detail debugging is on RIPng NSM debugging is on 1 5 5 1 5 show ipv6 rip aggregate Command show ipv6 rip aggregate Function To display the information of ipv6 aggre...

Страница 83: ...6 rip interface Loopback is up line protocol is up RIPng is not enabled on this interface Vlan1 is up line protocol is up Routing Protocol RIPng Passive interface Disabled Split horizon Enabled with P...

Страница 84: ...onds Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Ethernet1 10 filtered by dclist Default redistribute metric is 1 Redistributing...

Страница 85: ...s for RIP route namely a RIP route with the destination network address 2001 1 1 64 next hop address at fe80 203 fff fe01 257c It is learnt from the Ethernet port VLAN2 with a metric value of 2 and st...

Страница 86: ...creating and updating routes in the network Link state routing protocols use cost instead of hops to decide the route Cost is assigned automatically or manually According to the algorithm in link stat...

Страница 87: ...ate information with other OSPF layer3 switches to form a link state database describing the whole autonomous system Each layer3 switch builds a shortest path tree rooted by itself according to the li...

Страница 88: ...hes on external border of AS and is transferred throughout the AS As to autonomous systems mainly advertises exterior link state OSPF allow some areas to be configured as STUB areas to reduce the size...

Страница 89: ...uired 1 Enable disable OSPF protocol required 2 Configure the ID number of the layer3 switch running OSPF optional 3 Configure the network scope for running OSPF optional 4 Configure the area for the...

Страница 90: ...id Enables OSPF protocol the no router ospf command disables OSPF protocol required OSPF protocol configuration mode router id router_id no router id Configures the ID number for the layer3 switch ru...

Страница 91: ...A transmission delay and timer of LSA retransmission Command Explanation Interface configuration mode ip ospf hello interval time no ip ospf hello interval Sets interval for sending HELLO packets the...

Страница 92: ...e ospf process id metric value metric type 1 2 r oute map word Enable or disable the function of OSPF importing the routes of other OSPF processes 2 Display relative information Command Explanation An...

Страница 93: ...or no area id authentication default cost filter list access prefix WORD in out nssa default information originate no redistribution no summary translator role range range stub no summary virtual link...

Страница 94: ...could be shown in digit ranging between 0 4294967295 or in IP address message digest is proved by MD5 authentication or be proved by simple plaintext authentication if not choose this parameter Defaul...

Страница 95: ...the no area id filter list access prefix in out command restores the default value Parameter id is the area number which could be shown in digits ranging between 0 4294967295 or as an IP address acces...

Страница 96: ...SSA Default No NSSA area defined by default Command Mode OSPF protocol mode Usage Guide The same area can not be both NSSA and stub at the same time Example Set area 3 to NSSA Switch config terminal S...

Страница 97: ...uide Configure area stub on all routes in the stub area There are two configuration commands for the routers in the stub area stub and default cost All routers connected to the stub area should be con...

Страница 98: ...default is 1 second Default None Command Mode OSPF protocol mode Usage Guide In the OSPF all non backbone areas will be connected to a backbone area If the connection to the backbone area is lost vir...

Страница 99: ...2328 compatible by default Command Mode OSPF protocol mode Example Switch config terminal Switch config router ospf 100 Switch config router compatible rfc1583 1 6 3 10 clear ip ospf process Command c...

Страница 100: ...uter distance ospf inter area 20 intra area 10 external 40 1 6 3 12 distribute list Command distribute list access list name out kernel connected static rip isis bgp no distribute list out kernel conn...

Страница 101: ...gment Switch config terminal Switch config access list 1 permit 172 10 0 0 0 0 255 255 Switch config router ospf Switch config router filter policy 1 1 6 3 14 host area Command host host address area...

Страница 102: ...16 ip ospf authentication key Command ip ospf ip address authentication key LINE no ip ospf ip address authentication Function Specify the authentication key required in sending and receiving OSPF pac...

Страница 103: ...6 3 19 ip ospf dead interval Command ip ospf ip address dead interval time no ip ospf ip address dead interval Function Specify the dead interval for neighboring layer 3 switch the no ip ospf ip addre...

Страница 104: ...restores the default value Parameter ip address is the interface IP address shown in dotted decimal notation time is the interval sending HELLO packet shown in seconds and ranging between 1 65535 Def...

Страница 105: ...ommand or else no adjacent relationship will not be created The last configuration of this command will overwrite the previous one to prevent the system from communicating with the former key id Examp...

Страница 106: ...OSPF network type to broadcast non broadcast Set the OSPF network type to NBMA point to point Set the OSPF network type to point to point point to multipoint Set the OSPF network type to point to mult...

Страница 107: ...ss show in dotted decimal notation time is the retransmit interveral of link state announcements between the interface and adjacent layer 3 switches shown in seconds ang raning between 1 65535 Default...

Страница 108: ...to keep a log for OSPF adjacency changes or not Parameter None Default Don t l keep a log for OSPF adjacency changes by default Command Mode OSPF Protocol Configuration Mode Usage Guide When this comm...

Страница 109: ...acity of processing the concurrent dd data packet Default Not set no concurrent dd limit Command Mode OSPF protocol mode Usage Guide Specify the max concurrent number of dd in the OSPF process Example...

Страница 110: ...removes the configuration and stop OSPF on corresponding interface Parameter NETWORKADDRESS A B C D M A B C D X Y Z W Shown with the network address prefix or the mask Wildcast mask if shown in mask...

Страница 111: ...fault configuration Command Mode OSPF protocol mode Usage Guide The new router id takes effect immediately Example Configure router id of ospf 100 to 2 3 4 5 Switch config terminal Switch config route...

Страница 112: ...g terminal Switch config router ospf Switch config router overflow database external 5 3 1 6 3 39 passive interface Command passive interface ifname ip address no passive interface ifname ip address F...

Страница 113: ...erminal Switch config router ospf Switch config router redistribute bgp metric 12 1 6 3 41 redistribute ospf Command redistribute ospf process id metric value metric type 1 2 route map word no redistr...

Страница 114: ...ormation originate closes this feature Parameter always Whether default route exist in the software or not the default route is always advertised METRIC metric value Set the metric value for creating...

Страница 115: ...tch config router ospf 100 Switch config router default metric 100 1 6 3 45 summary address Command summary address A B C D M not advertise tag tag value Function Summarize or restrain external route...

Страница 116: ...ts of five ES4624 SFP ES4626 SFP switch for example where layer3 SwitchA and SwitchE make up OSPF area 0 layer3 SwitchB and SwitchC form OSPF area 1 assume vlan1 interface of layer3 SwitchA belongs to...

Страница 117: ...or interface vlan1 and vlan2Configure the IP address of interface vlan1 and vlan2 SwitchB config SwitchB config interface vlan 1 SwitchB config if vlan1 ip address 10 1 1 2 255 255 255 0 SwitchB confi...

Страница 118: ...SPF area interfaces vlan3 resides in SwitchD config router ospf SwitchD config router network 30 1 1 0 24 area 0 SwitchD config router exit SwitchD config exit Layer 3 SwitchE Configuration of the IP...

Страница 119: ...switches area edge switches SwitchC and SwitchD are responsible for reporting distance cost to all destination outside the area while they are also responsible for reporting the position of the AS ed...

Страница 120: ...VLAN1 IP address 20 1 2 1 SwitchC is connecting to network N4 through Ethernet interface VLAN3 IP address 20 1 3 1 All the three addresses belong to area 1 SwitchC is connecting to layer3 SwitchE thro...

Страница 121: ...SwitchB config router exit SwitchB config interface vlan 2 Configure simple key authentication SwitchB config interface vlan 2 SwitchB config If Vlan2 ip ospf authentication SwitchB config If Vlan2 i...

Страница 122: ...umber for interface vlan 1 SwitchC config interface vlan 1 SwitchC config If Vlan1 ip address 10 1 5 1 255 255 255 0 SwitchC config If Vlan1 exit SwitchC config router ospf SwitchC config router netwo...

Страница 123: ...figure MD5 key authentication SwitchD config interface vlan 1 SwitchD config If Vlan1 ip ospf authentication message digest SwitchD config If Vlan1 ip ospf authentication key DCS SwitchD config If Vla...

Страница 124: ...dress 20 1 1 1 255 255 255 0 SwitchA config if Vlan2 exit Configure OSPF examples associated with vpnb and vpnc respectively SwitchA config SwitchA config router ospf 100 vpnb SwitchA config router ne...

Страница 125: ...and and configure the OSPF area on corresponding interface After that a OSPF protocol feature should be checked the OSPF backbone area should be continuous and apply virtual link to ensure it is conti...

Страница 126: ...nerate flooding install maxage refresh Function Open debugging switches showing showing link state announcements the no debug ospf lsa generate flooding install maxage refresh closes the debugging swi...

Страница 127: ...recv detail command closes this debugging switch Default Closed Command Mode Admin mode and global mode Example Switch debug ospf packet hello 1 6 5 1 7 debug ospf route Command no debug ospf route a...

Страница 128: ...show ip ospf process id Function Display OSPF main messages Parameter process id is the process ID ranging between 0 65535 Default Not displayed Command Mode All modes Example Switch show ip ospf Rou...

Страница 129: ...old time between two SPFs 10 secs Refresh timer 10 secs Number of external LSA 0 Checksum Sum 0x000000 Number of opaque AS LSA 0 Checksum Sum 0x000000 Number of non default external LSA 0 External LSA...

Страница 130: ...lf originate adv router advertiser_router opaque as linkstate_id self originate adv router advertiser_router opaque link linkstate_id self originate adv router advertiser_router router linkstate_id se...

Страница 131: ...er Age Seq CkSum 192 168 1 1 192 168 1 2 1702 0x8000002a 0x89c7 AS External Link States Link ID ADV Router Age Seq CkSum Route 2 2 2 0 192 168 1 1 1499 0x80000056 0x3a63 E2 2 2 2 0 24 0x0 2 2 3 0 192...

Страница 132: ...35 neighbor_id is the dotted decimal notation neighbor ID all Display messages of all neighbors detail Display detailed messages of all neighbors ifaddress Interface IP address Default Not displayed C...

Страница 133: ...is directly connected Vlan4 Area 0 0 0 3 O 14 1 1 0 24 10 is directly connected Vlan5 Area 0 0 0 4 IA 15 1 1 0 24 20 via 13 1 1 2 Vlan4 Area 0 0 0 3 IA 15 1 1 2 32 20 via 13 1 1 2 Vlan4 Area 0 0 0 3...

Страница 134: ...t To Point Timer intervals configured Hello 10 Dead 40 Wait 40 Retransmit 5 Hello due in 00 00 02 Adjacency state Full Virtual Link VLINK1 to router 10 10 0 123 is down Transit area 0 0 0 1 via interf...

Страница 135: ...tion To display IP router with specific process id process id or tag Parameter If database parameter is included then display all routes if no parameter is included then only display operation route C...

Страница 136: ...t is 110 Address Mask Distance List Routing Protocol is bgp 0 Outgoing update filter list for all interfaces is Incoming update filter list for all interfaces is IGP synchronization is disabled Automa...

Страница 137: ...updating routes in the network Link state routing protocols use cost instead of hops to decide the route Cost is assigned automatically or manually According to the algorithm in link state protocol c...

Страница 138: ...on with other OSPFv3 layer3 switches to form a link state database describing the whole autonomous system Each layer3 switch builds a shortest path tree rooted by itself according to the link state da...

Страница 139: ...em Link LSA is generated by Layer 3 switch on the link and sent to other Layer 3 switches on the link Internal area prefix LSA is generated by designated layer3 switch of each link in this area and fl...

Страница 140: ...iguration Task List 1 Enable OSPFv3 required 1 Enable disable OSPFv3 required 2 Configure the router id number of the layer3 switch running OSPFv3 optional 3 Configure the network scope for running OS...

Страница 141: ...nd stops relative process required OSPFv3 Protocol Configure Mode router id router_id no router id Configure router for ospfv3 process The no router id command returns ID to 0 0 0 0 required no passiv...

Страница 142: ...restores the default setting IPv6 ospf dead interval time instance id id no IPv6 ospf dead interval instance id id Sets the interval before regarding a neighbor layer3 switch invalid the no IPv6 ospf...

Страница 143: ...PFv3 processes 1 Enable the function of OSPFv3 importing the routes of other OSPFv3 processes Command Explanation Router IPv6 OSPF mode redistribute ospf process id metric value metric type 1 2 route...

Страница 144: ...mers spf Configure OSPFv3 SPF timer The no timers spf command recovers default value area id stub no summary no area id stub no summary area id default cost cost no area id default cost area id virtua...

Страница 145: ...1 default cost 10 1 7 3 2 area range Command area id range ipv6address advertise not advertise no area id range ipv6address Function Aggregate OSPF route on the area border The no area id range addres...

Страница 146: ...t command Example Switch config terminal Switch config router ipv6 ospf Switch config router area 1 stub Relevant Commands area default cost 1 7 3 4 area virtual link Command area id virtual link A B...

Страница 147: ...hello 5 dead 20 Switch config router area 1 virtual link 10 10 11 50 instance id 1 1 7 3 5 abr type Command abr type cisco ibm standard no abr type cisco ibm standard Function Configure an OSPF ABR ty...

Страница 148: ...f cost instance id id command restores the default value Parameter id is the interface instance ID ranging between 0 255 defaulted at 0 cost is the cost of OSPF protocol ranging between 1 65535 Defaul...

Страница 149: ...nd Mode Global Mode Usage Guide The show ipv6 ospf route command displays the same route in several lines This command will strict that one route will be displayed in one line Example Switch config te...

Страница 150: ...itch the priority will decide which one should be chosen Normally the one with higher priority will be elected or the one with larger router id number if the priorities are the same A layer 3 switch w...

Страница 151: ...e LSA sending delay time on the interface The no ipv6 ospf transmit delay instance id id command restores to the default Parameter id is the instance ID ranging between 0 255 and defaulted at 0 time i...

Страница 152: ...ly Example Switch config terminal Switch config interface vlan 1 Switch Config if Vlan1 ipv6 router ospf area 1 tag IPI instance id 1 1 7 3 15 max concurrent dd Command max concurrent dd value no max...

Страница 153: ...of the route map for introducing route Command Mode OSPFv3 protocol mode Usage Guide Learn and introduce other routing protocol into OSPFv3 area to generate AS external_LSAs Example Switch config term...

Страница 154: ...y default Usage Guide If the router id is 0 0 0 0 the ospfv3 process can not be normally enabled It is required to configure a router id for ospfv3 Command Mode OSPFv3 protocol mode Example Switch con...

Страница 155: ...takes an OSPF autonomous system consists of five ES4624 SFP ES4626 SFP switch for example where layer3 SwitchA and SwitchD make up OSPF area 0 layer3 Switch2 and Switch3 form OSPF area 1 assume vlan1...

Страница 156: ...protocol configure router ID SwitchB config router IPv6 ospf SwitchB config router router id 192 168 2 2 Configure interface vlan1 address vlan2 IPv6 address and affiliated OSPFv3 area SwitchB config...

Страница 157: ...SwitchD config router router id 192 168 2 5 Configure interface IPv6 address and affiliated OSPFv3 area SwitchD config SwitchD config interface vlan 2 SwitchD config if vlan2 IPv6 address 2100 1 1 2 6...

Страница 158: ...PFv3 routing problem still can t be solved by debugging please use debug instructions like debug IPv6 OSPF packet events etc and copy DEBUG information in 3 minutes then send them to our technical ser...

Страница 159: ...SPF NSM the no debug ipv6 ospf nsm interface redistribute command closes this debugging switch Default Closed Command Mode Admin mode 1 7 5 1 5 debug ipv6 ospf packet Command no debug ipv6 ospf packet...

Страница 160: ...fault Disabled Command Mode Admin Mode Usage Guide None Example Switch debug ipv6 ospf redistribute message send 1 7 5 1 9 debug ipv6 ospf redistribute route receive Command debug ipv6 ospf redistribu...

Страница 161: ...r_router intra prefix adv router advertiser_router link adv router advertiser_router external adv router advertiser_router inter prefix adv router advertiser_router inter router adv router advertiser_...

Страница 162: ...0 Link State ID ADV Router Age Seq CkSum Prefix Reference 0 0 0 1 192 168 2 1 1389 0x80000005 0x7e2e 1 Router LSA 0 0 0 2 192 168 2 1 1389 0x80000001 0x22cb 1 Network LSA 0 0 0 1 192 168 2 3 1306 0x80...

Страница 163: ...1 1 1 64 OSPFv3 Process null Area 0 0 0 0 Instance ID 0 Router ID 192 168 2 2 Network Type BROADCAST Cost 10 Transmit Delay is 1 sec State Backup Priority 1 Designated Router ID 192 168 2 1 Interface...

Страница 164: ...er 3 switch number of the layer 3 switches established with neighbor relation 1 7 5 1 13 show ipv6 ospf neighbor Command show ipv6 ospf tag neighbor neighbor_id ifname detail detail Function Show OSPF...

Страница 165: ...2 O 2001 1 1 64 10 directly connected Vlan1 O 3000 1 1 64 20 via fe80 203 fff fe01 429e Vlan2 O 3003 1 1 64 20 via fe80 203 fff fe01 d28 Vlan1 1 7 5 1 15 show ipv6 ospf redistribute Command show ip os...

Страница 166: ...t Not displayed Command Mode All modes Example Switch show ipv6 ospf topology OSPFv3 Process null OSPFv3 paths to Area 0 0 0 0 routers Router ID Bits Metric Next Hop Interface 192 168 2 1 10 192 168 2...

Страница 167: ...ment BGP is often used on the switches among ISPs or the departments of Multi national Corporation BGP has been used since1989 its earliest three versions are RFC1105 BGP 1 RFC1163 BGP 2 and RFC1267 B...

Страница 168: ...re used to negotiate if a connection could be established among BGP peers Keepalive Message it s the message to check connection availability It s usually sent periodically to keep BGP connection If t...

Страница 169: ...each other Because BGP can t detect route the route tables of other inner route protocols such as static route direct route OSPF and RIP need contain neighbor IP addresses and these routes are used to...

Страница 170: ...te with the lowest origin type IGP EGP INCOMPLETE 6 If the origin types are the same select the route with the lowest MED attribute Unless activating command bgp always compare med this comparison is...

Страница 171: ...18 Redistribution of OSPF Routing to BGP 1 Enable Redistribution of OSPF routing to BGP 2 Display the information about configuration of redistribution of OSPF routing to BGP Basic BGP configuration...

Страница 172: ...ip bgp as id external peer group NAME ip address soft out Configure outbound soft reconfiguration 3 Configure inbound soft reconfiguration Command Explanation Router configuration mode neighbor ip add...

Страница 173: ...els routing filter 6 Configure Next Hop 1 Set Next Hop as the switch s address Command Explanation BGP configuration mode neighbor ip address TAG next hop self no neighbor ip address TAG next hop self...

Страница 174: ...ers the default value 9 Configure the BGP Version Command Explanation BGP configuration mode neighbor ip address TAG version value no neighbor ip address TAG version Set the version used by BGP neighb...

Страница 175: ...uting updates with community attributes sending to BGP neighbors the no neighbor ip address TAG send community command enables the route without community attributes 4 Configure BGP Confederation Comm...

Страница 176: ...ter id cluster id no bgp cluster id Configure cluster id format no of the no bgp cluster id command cancels the cluster id configuration 3 If the route reflector from clients to clients is needed the...

Страница 177: ...ighbor ip address TAG description command deletes this description neighbor ip address TAG default originate route map NAME no neighbor ip address TAG default originate route map NAME Permit to send t...

Страница 178: ...t no of the no neighbor ip address TAG distribute list access list number name in out command cancels route filtering neighbor ip address TAG route reflector client no neighbor ip address TAG route re...

Страница 179: ...TAG shutdown command activates the closed BGP neighbor or peers 8 Adjust BGP Timers 1 Configure the BGP timer of all the neighbors Command Explanation BGP configuration mode timers bgp keep alive hol...

Страница 180: ...ion BGP configuration mode neighbor ip address TAG default originate no neighbor ip address TAG default originate Permit sending default route 0 0 0 0 the no neighbor ip address TAG default originate...

Страница 181: ...nd route reflector the no redistribute connected static rip ospf command cancels the redistribution 14 Configure Route Dampening Command Explanation BGP configuration mode bgp dampening 1 45 1 20000 1...

Страница 182: ...de route update dynamic capability outgoing route filtering capability and the address family s capability of supporting the negotiation Use these command to enable these capabilities its format no cl...

Страница 183: ...s 18 Redistribution of OSPF Routing to BGP 1 To enable redistribution of OSPFv2 routing to BGP Command Notes Router bgp configuration mode redistribute ospf process id route map word no redistribute o...

Страница 184: ...The no aggregate address ip address M summary only as set command deletes the aggregate address Parameter ip address M IP address length of mask summary only Send summary only ignoring specific route...

Страница 185: ...command cancels this configuration Parameter None Default Not configured Command Mode BGP route mode Usage Guide Normally the BGP compares the MED only when the AS is the same By using this configura...

Страница 186: ...p 200 Switch config router bgp bestpath as path ignore 1 8 3 7 bgp bestpath compare confed aspath Command bgp bestpath compare confed aspath no bgp bestpath compare confed aspath Function Set to conce...

Страница 187: ...ter confed Compare MED in the confederation path missing is worst Consider as max MED value when missing Default Not configured Command Mode BGP route mode Usage Guide Choose whether MED is compared a...

Страница 188: ...tor and its clients in an area However in order to increase the redundancy level sometime more than one routing reflectors may be deployed in one area Router id is for identifying the router exclusive...

Страница 189: ...ives of accessible and inaccessible route namely the penalty value is reduced to half of the previous value in minutes 1 20000 Respectively the penalty reuse border and restrain border 1 255 Maximum r...

Страница 190: ...her AS The no bgp deterministic med cancels this configuration Parameter None Default Not configured Command Mode BGP route mode Usage Guide Normally if same prefix routes from several paths each path...

Страница 191: ...installed with no regard to the local existence of the RD Parameter None Command Mode BGP route mode Usage Guide Normally when the switch plays as PE whether the route bgp acquired from VPN is saved i...

Страница 192: ...ork import check no bgp network import check Function Set whether check the IGP accessibility of the BGP network route or not The no bgp network import check command sets to not checking the IGP acces...

Страница 193: ...3 25 bgp router id Command bgp router id ip address no bgp router id ip address Function Configure the router ID manually The no bgp router id ip address cancels this configuration Parameter ip addres...

Страница 194: ...Also it is optional to use the saved ORF as soft reconfiguration or use the soft in out commands for in or out soft reconfiguration if it is already set Example When soft reconfiguration is set use t...

Страница 195: ...ce 1 255 ip address M WORD command restores to the default value Parameter 1 255 Manage distance ip address M Routing prefix WORD Access list name Default Not set Command Mode BGP route mode Usage Gui...

Страница 196: ...e route map regulations when introducing routes into VRF Parameter map name is the route map name used Command Mode vrf mode Usage Guide Use the route map command route map NAME permit deny 1 65535 to...

Страница 197: ...d Mode Global mode Usage Guide Use this command to configure the access list related to AS PATH so to supply the conditions for pass filter Example Switch config ip as path access list ASPF deny 100 1...

Страница 198: ...community number COMMUNITY Members of the community list which may be the combination of aa nn or internet local AS no advertise and no export It can be shown in regular expressions under extended con...

Страница 199: ...no neighbor ip address TAG advertisement interval 0 600 command restores to default Parameter ip address IP address of the neighbor TAG Name of the peer group 0 600 Advertise interval in seconds Defa...

Страница 200: ...ion is not performed Parameter ip address IP address of the neighbor TAG Name of the peer group Default No attribute transparent defined Command Mode BGP route mode and address family mode Usage Guide...

Страница 201: ...ghbor ip address TAG capability orf prefix list both send receive Function Configure the out route filter capability negotiation between neighbors The no neighbor ip address TAG capability orf prefix...

Страница 202: ...originate route map WORD no neighbor ip address TAG default originate route map WORD Function Configures whether enables transmitting default route to the specific neighbor The no neighbor ip address...

Страница 203: ...WORD in out command cancels the policy configuration Parameter ip address Neighbor IP address TAG Name of peer group 1 199 1300 2699 WORD Number or name of the access list Default Policy not applied...

Страница 204: ...BGP neighbors must be in the same segment Parameter ip address Neighbor IP address TAG Name of the peer group 1 255 Allowed hop count Default Must be in the same segment Command Mode BGP route mode an...

Страница 205: ...out Function Access list control for AS PATH The no neighbor ip address TAG filter list LINE in out cancels the AS PATH access list control Parameter ip address Neighbor IP address TAG Name of peer gr...

Страница 206: ...tion Control the number of route prefix from the neighbor The no neighbor ip address TAG maximum prefix 1 4294967295 1 100 warning only command cancels this configuration Parameter ip address Neighbor...

Страница 207: ...10 1 1 66 next hop self 1 8 3 54 neighbor override capability Command neighbor ip address TAG override capability no neighbor ip address TAG override capability Function Whether enable overriding capa...

Страница 208: ...ich the largest length contains 256 characters Default No peer group Command Mode BGP route mode and address family mode Usage Guide By configuring the peer group a group of peers with the same attrib...

Страница 209: ...nfig router neighbor 10 1 1 64 port 1023 1 8 3 59 neighbor prefix list Command neighbor ip address TAG prefix list LISTNAME number in out no neighbor ip address TAG prefix list LISTNAME number in out...

Страница 210: ...rect The partner AS number is the same with that of local side inside the AS Example Configure 2 neighbor AS as 100 and 100 200 Switch config router bgp 200 Switch config router neighbor 10 1 1 64 rem...

Страница 211: ...Example Switch config route map test permit 5 Switch config route map match interface Vlan1 Switch config route map set as path prepend 65532 Switch config route map exit Switch config router bgp 200...

Страница 212: ...family mode Usage Guide The route service is for reducing the peers when the router between AS is too much under EBGP environment The server transparently transforms the routing messages to other cli...

Страница 213: ...connect the neighbor connection The no neighbor ip address TAG shutdown cancels this configuration Parameter ip address Neighbor IP address TAG Name of peer group Default Not disconnecting Command Mod...

Страница 214: ...abilities Example Switch config router neighbor 10 1 1 64 strict capability match 1 8 3 69 neighbor timers Command neighbor ip address TAG timers 0 65535 0 65535 no neighbor ip address TAG timers 0 65...

Страница 215: ...s map WORD Function Configure or cancel the unsurprising to conditions meet the specified route map The no neighbor ip address TAG unsuppress map WORD command cancels this configuration Parameter ip a...

Страница 216: ...s accessibility to be able to establish connections when as the update source Example Switch config router neighbor 10 1 1 66 update source 192 168 0 1 1 8 3 73 neighbor version 4 Command neighbor ip...

Страница 217: ...guration Parameter ip address M Network prefix identifier WORD Name of route map Default None Command Mode BGP route mode Usage Guide As for BGP routes specify the route through which the BGP advertis...

Страница 218: ...er to the introduced routing map Default Not redistributed by default Command Mode bgp configuration mode Usage Guide None Example To redistribute ospfv2 to bgp as number is 1 Switch config router bgp...

Страница 219: ...imers bgp 50 200 Relevant Commands neighbor timers no neighbor timers 1 8 4 Configuration Examples of BGP 1 8 4 1 Examples 1 configure BGP neighbor SwitchB SwitchC and SwitchD are in AS200 SwitchA is...

Страница 220: ...ighbor 12 1 1 2 remote as 200 SwitchD config router bgp neighbor 13 1 1 3 remote as 200 SwitchD config router bgp exit Presently the connection between SwitchB and SwitchA is EBGP and other connection...

Страница 221: ...community 1111 Switch config route map exit Switch config route map set community permit 20 Switch config route map match address 2 Switch config route map exit Switch config access list 1 permit 11 1...

Страница 222: ...900 901 Switch config ip community list com2 permit 88 Switch config ip community list com2 permit 90 Switch config exit Switch clear ip bgp 16 1 1 6 soft out 1 8 4 4 Examples 4 configure BGP confede...

Страница 223: ...gp confederation identifier 200 SwitchB config router bgp bgp confederation peers 20 SwitchB config router bgp neighbor 12 1 1 3 remote as 10 SwitchB config router bgp neighbor 13 1 1 4 remote as 20 S...

Страница 224: ...chD config router bgp bgp confederation peers 10 SwitchD config router bgp neighbor 13 1 1 2 remote as 10 1 8 4 5 Examples 5 configure BGP route reflector The following is the configuration of a route...

Страница 225: ...2 2 remote as 100 SwitchC config router bgp neighbor 2 2 2 2 route reflector client SwitchC config router bgp neighbor 7 7 7 7 remote as 100 SwitchC config router bgp neighbor 3 3 3 4 remote as 100 Sw...

Страница 226: ...bgp neighbor 7 7 7 7 remote as 100 The configurations of SwitchA SwitchA config router bgp 100 SwitchA config router bgp neighbor 1 1 1 2 remote as 100 SwitchA config router bgp neighbor 9 9 9 9 remo...

Страница 227: ...bgp neighbor 2 2 2 2 remote as 100 SwitchC config router bgp neighbor 2 2 2 2 route map set metric out SwitchC config router bgp neighbor 1 1 1 2 remote as 300 SwitchC config router bgp exit SwitchC c...

Страница 228: ...tric attribute will only be done with the routes from the same AS For SwitchA the routes passed SwitchC are preferable to the one passed SwitchD Because SwitchC and SwitchB are not located in the same...

Страница 229: ...Command show ip bgp ADDRESS FAMILY ip address ip address M longer prefixes cidr only Function For displaying the routing messages permitted by BGP Parameter ADDRESS FAMILY address family such as ipv4...

Страница 230: ...g route permitted by BGP with community information Parameter ADDRESS FAMILY Address family such as ipv4 unicast TYPE Community attributes number show in AA NN form or combination of local AS no adver...

Страница 231: ...and permitted by BGP Parameter ADDRESS FAMILY Address family such as ipv4 unicast NAME Community list Default None Command Mode All mode Usage Guide Configure the community list with ip community list...

Страница 232: ...ble version is 12 local router ID is 10 1 1 66 Status codes s suppressed d damped h history valid best i internal S Stale Origin codes i IGP e EGP incomplete Network From Reuse Path d 100 1 3 0 24 10...

Страница 233: ...ssed d damped h history valid best i internal S Stale Origin codes i IGP e EGP incomplete Network Next Hop Metric LocPrf Weight Path 100 1 1 0 24 10 1 1 64 0 0 100 Total number of prefixes 1 1 8 5 1 8...

Страница 234: ...l respectively displays the routes broadcast on local side the received prefix filter received routes soft reconfiguration enabled and the routing message from specific neighbor Example Switch sh ip b...

Страница 235: ...ip bgp ADDRESS FAMILY prefix list NAME Function For displaying the route meet the specific prefix list in BGP Parameter ADDRESS FAMILY Address family such as ipv4 unicast NAME Name of prefix list Def...

Страница 236: ...Network Next Hop Metric LocPrf Weight Path 100 1 1 0 24 10 1 1 68 0 0 300 Total number of prefixes 1 Switch sh ip bgp quote regexp 100 BGP table version is 2 local router ID is 11 1 1 100 Status codes...

Страница 237: ...e map command through which it can be displayed that process routes with route map The command will display the routes meet specific route map Example Switch sh ip bgp route map rmp BGP table version...

Страница 238: ...n Command show ip bgp scan Function For displaying BGP scan messages Parameter None Default None Command Mode All modes Usage Guide Scan regularly the nexthop messages The command can show the current...

Страница 239: ...ddress V The BGP version of neighbor running AS The AS number of neighbor what is affiliated with MsgRcvd The amount of message received from neighbor MsgSent The amount of message sent to the neighbo...

Страница 240: ...iew as300 neighbors 1 8 5 1 21 debug bgp Command debug bgp MODULE all no debug bgp MODULE all Function For BGP debugging The no debug bgp MODULE all command closes the BGP debugging messages Parameter...

Страница 241: ...Mode Usage Guide None Example Switch debug bgp redistribute route receive Switch no debug bgp redistribute route receive 1 9 MBGP4 1 9 1 MBGP4 Introduction MBGP4 is multi protocol BGP Multi protocol B...

Страница 242: ...s family comfiguration mode no neighbor X X X X activate Configure IPv6 neighbor to activate inactivate the address family exit address family Exit address family configuration mode 3 Redistribution o...

Страница 243: ...meters process id is the process id of the OSPFv3 process limited between 1 and 65535 If no process id is specified the default process id will be used route map word is the pointer to the introduced...

Страница 244: ...6 bgp redistribute message send Switch no debug ipv6 bgp redistribute message send 1 9 3 4 debug ipv6 bgp redistribute route receive Command debug ipv6 bgp redistribute route receive no debug ipv6 bgp...

Страница 245: ...hB config router bgp neighbor 2003 4 remote as 200 SwitchB config router bgp address family IPv6 unicast SwitchB config router af neighbor 2001 1 activate SwitchB config router af neighbor 2002 3 acti...

Страница 246: ...config router af neighbor 2002 2 activate SwitchD config router af neighbor 2003 3 activate SwitchD config router af exit address family SwitchD config router bgp exit Here the connection between Swit...

Страница 247: ...tion Mode ip route ip prefix mask ip prefix prefix length null0 distance no ip route ip prefix mask ip prefix prefix length null0 To configure the static Black Hole Routing The no form of this command...

Страница 248: ...ry with limitation between 1 and 255 Default None Command Mode Global configuration mode Usage Guide null0 should be used as the output interface for IPv4 black hole routing Example To configure the r...

Страница 249: ...efault routing is configured on Switch1 to Switch2 whose network address is 192 168 0 0 21 Commonly this configuration will work well However if one of the Layer 3 interfaces in Switch2 goes down for...

Страница 250: ...ration will work well However if one of the Layer 3 interfaces in Switch2 goes down for example the interface belonged to 2004 1 2 3 1 80 When datagrams arrives at VLAN1 in Switch Switch2 there will b...

Страница 251: ...the network address mask should be longer than that of normal routing configuration in order to prevent the black hole routing from intervening other routing configuration When the network address mas...

Страница 252: ...only implements the load balance increases the transport bandwidth but also can completely backup the data transport of the invalidation links without delay and packet loss Fig 3 1 the application en...

Страница 253: ...t value Command mode Global Mode Default The default number is 4 Usage Guide None Example Configure the maximum paths of the equivalence multi paths as 8 Switch config maximum paths 8 3 4 ECMP Typical...

Страница 254: ...100 1 2 0 24 is directly connected Vlan200 tag 0 C 127 0 0 0 8 is directly connected Loopback tag 0 Total routes are 6 item s 3 4 2 OSPF Implements ECMP R1 configuration R1 config interface Vlan100 R1...

Страница 255: ...config router network 100 2 2 0 24 area 0 R4 configuration R4 config interface Vlan100 R4 Config if Vlan100 ip address 100 2 1 1 255 255 255 0 R4 config interface Vlan200 R4 Config if Vlan200 ip addr...

Страница 256: ...1 2 2 Vlan200 00 00 05 tag 0 C 100 1 1 0 24 is directly connected Vlan100 tag 0 C 100 1 2 0 24 is directly connected Vlan200 tag 0 O 100 2 1 0 24 110 2 via 100 1 1 2 Vlan100 00 02 25 tag 0 O 100 2 2...

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Содержание ES4624-SFP

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Содержание ES4624-SFP

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