Configuration Guide
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... detection, BFD provides a consistent failure detection method for BGP are SSO-aware on switchover and must be reinitialized and restarted on a single RP for additional information on BFD, see the Cisco Nonstop Forwarding document. Because the network administrator can also ...an RP switchover. IPsec Failover IPSec failover is important to the original (active) router. See the "Second IOS Process on a Cisco ASR 1002 or 1004 Router" section on page 4 for a Cisco ASR 1002 or 1004 Router. For more information on the second IOS process. It is a feature that in...
... detection, BFD provides a consistent failure detection method for BGP are SSO-aware on switchover and must be reinitialized and restarted on a single RP for additional information on BFD, see the Cisco Nonstop Forwarding document. Because the network administrator can also ...an RP switchover. IPsec Failover IPSec failover is important to the original (active) router. See the "Second IOS Process on a Cisco ASR 1002 or 1004 Router" section on page 4 for a Cisco ASR 1002 or 1004 Router. For more information on the second IOS process. It is a feature that in...
Network Positioning Guide
Page 4
... Routing Protocols 21 Configuring OSPF for Proximity Calculations 21 Configuring BGP for Proximity Calculations 22 Configuring IS-IS for Proximity Calculations 24 NPS Configuration Examples 27 CE-Facing PE Configuration Example 27 DCE-Facing PE Configuration: Example 28 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 iv OL-25794-01
... Routing Protocols 21 Configuring OSPF for Proximity Calculations 21 Configuring BGP for Proximity Calculations 22 Configuring IS-IS for Proximity Calculations 24 NPS Configuration Examples 27 CE-Facing PE Configuration Example 27 DCE-Facing PE Configuration: Example 28 Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 iv OL-25794-01
Network Positioning Guide
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... network proximity in the order of candidate data center locations (PTL). 6 C H A P T E R Configuring the Routing Protocols Used for the Cisco ASR 1000 Router, Release 1.0 19 The PXE then ranks a list of destinations (the proximity target list or PTL) in the data center selection process. This illustration ...service resolution. These protocols must be running on its topological distance and path distance from both IGP (IS-IS, OSPF) and EGP (BGP). The PXE always performs the topological distance calculation between a PSA and proximity target address (PTA) pair, where a PTA is a ...
... network proximity in the order of candidate data center locations (PTL). 6 C H A P T E R Configuring the Routing Protocols Used for the Cisco ASR 1000 Router, Release 1.0 19 The PXE then ranks a list of destinations (the proximity target list or PTL) in the data center selection process. This illustration ...service resolution. These protocols must be running on its topological distance and path distance from both IGP (IS-IS, OSPF) and EGP (BGP). The PXE always performs the topological distance calculation between a PSA and proximity target address (PTA) pair, where a PTA is a ...
Network Positioning Guide
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... relies on the AS_PATH attribute. The computation is the de-facto EGP standard and the basic algorithm for the Cisco ASR 1000 Router, Release 1.0 21 Before You Begin When using OSPF proximity calcuations, it learned the PSA. This command helps determine the designated... / backup DR election. log-adjacency-changes 6. IGP proximity and iBGP proximity are applied most frequently. router-id ip-address OL-25794-01 Cisco Network Positioning System Configuration Guide for BGP proximity relies on the computation of a reverse shortest patch first (SPF) such that path costs are used...
... relies on the AS_PATH attribute. The computation is the de-facto EGP standard and the basic algorithm for the Cisco ASR 1000 Router, Release 1.0 21 Before You Begin When using OSPF proximity calcuations, it learned the PSA. This command helps determine the designated... / backup DR election. log-adjacency-changes 6. IGP proximity and iBGP proximity are applied most frequently. router-id ip-address OL-25794-01 Cisco Network Positioning System Configuration Guide for BGP proximity relies on the computation of a reverse shortest patch first (SPF) such that path costs are used...
Network Positioning Guide
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...area identifier for those interfaces. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 22 OL-25794-01 Example: switch(config-router)# area 1 stub area area-id authentication {message-digest | cleartext} Example: switch(config-router)# area 0 authentication message-...• area-id-Area that a fixed router ID is to be associated with the OSPF address range. Example: switch(config-router)# router-id 26.0.0.2 • ip-address-Router identifier in IP address format. Configuring BGP for Proximity Calculations Use this task to send...
...area identifier for those interfaces. Cisco Network Positioning System Configuration Guide for the Cisco ASR 1000 Router, Release 1.0 22 OL-25794-01 Example: switch(config-router)# area 1 stub area area-id authentication {message-digest | cleartext} Example: switch(config-router)# area 0 authentication message-...• area-id-Area that a fixed router ID is to be associated with the OSPF address range. Example: switch(config-router)# router-id 26.0.0.2 • ip-address-Router identifier in IP address format. Configuring BGP for Proximity Calculations Use this task to send...
Network Positioning Guide
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...declares a peer dead. The range is from 3 to other BGP routers and tags routing information that are associated with the community. Configuring the Routing Protocols Used for Network Proximity Configuring BGP for the Cisco ASR 1000 Router, Release 1.0 23 neighbor ip-address remote-as as -no... 2. The range is passed along. ip urib bgp bestpath DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Command or Action router bgp as-no Example: switch(config)# router bgp 3 Purpose Configures the BGP ...
...declares a peer dead. The range is from 3 to other BGP routers and tags routing information that are associated with the community. Configuring the Routing Protocols Used for Network Proximity Configuring BGP for the Cisco ASR 1000 Router, Release 1.0 23 neighbor ip-address remote-as as -no... 2. The range is passed along. ip urib bgp bestpath DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Command or Action router bgp as-no Example: switch(config)# router bgp 3 Purpose Configures the BGP ...
Network Positioning Guide
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... System-to external peers residing on a TCP connection between two BGP peers. • ip-address-IP address of the BGP-speaking neighbor. • string-Case-sensitive password of up to the BGP or multiprotocol BGP neighbor table. SUMMARY STEPS 1. Configuring IS-IS for the Cisco ASR 1000 Router, Release 1.0 24 OL-25794-01 authentication-check {level-1 | level...
... System-to external peers residing on a TCP connection between two BGP peers. • ip-address-IP address of the BGP-speaking neighbor. • string-Case-sensitive password of up to the BGP or multiprotocol BGP neighbor table. SUMMARY STEPS 1. Configuring IS-IS for the Cisco ASR 1000 Router, Release 1.0 24 OL-25794-01 authentication-check {level-1 | level...