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A
- ABRs (area border routers), OSPF
- access lists, IP
- access-list command
- address commands, OSPF
- address commands, RIP
- address ranges
- Address Resolution Protocol., See ARP
- address-family command
- adjacencies, clearing IS-IS
- adjacency levels, IS-IS
- adjacency, OPSF
- administrative distance
- aggregate addresses
- area border routers., See ABRs, OSPF
- area commands
- area IDs (OSPF packets)
- area virtual-link commands
- area virtual-link
- area virtual-link authentication message-digest
- area virtual-link authentication-key
- area virtual-link authentication-none
- area virtual-link dead-interval
- area virtual-link hello-interval
- area virtual-link message-digest-key md5
- area virtual-link retransmit-interval
- area virtual-link transmit-delay
- area-authentication command
- area-authentication-key command
- area-message-digest-key command 1, 2
- areas, IS-IS
- areas, OSPF
- ARP (Address Resolution Protocol)
- arp commands, See also show arp command
- AS (autonomous system)
- AS boundary router
- authentication
- authentication commands
- authentication-key command
- authentication-none command
- autocost, OSPF routing
- automatic virtual link, OSPF
- automatic virtual-link command
- autonomous system boundary router (AS boundary router)., See AS boundary router
B
C
- CIDR (Classless Interdomain Routing) 1, 2
- classes of IP addresses
- Classless Interdomain Routing., See CIDR
- clear arp command
- clear ip commands
- clear ipv6 commands
- clear isis commands
- clear isis adjacency
- clear isis database 1, 2
- clear isis ipv6 redistribution
- CLNP (Connectionless Network Protocol)
- CLNS (Connectionless Network Service Protocol)
- clns commands, See also show clns commands
- community lists, BGP
- complete sequence number PDU., See CSNP
- connection-oriented protocols
- Connectionless Network Protocol., See CLNP
- Connectionless Network Service Protocol., See CLNS
- connectionless protocols 1, 2
- conventions
- cost
- IS-IS interface 1, 2
- OSPF routing
- cost command
- cryptographic authentication, OSPF
- CSNP (complete sequence number PDU)
- CSNP interval, IS-IS interface
- customer support
D
- data path failure
- database, OSPF
- datagrams, IP
- dead interval, OSPF 1, 2
- dead-interval command
- debounce-time command
- debug commands
- debug-related information, IS-IS 1, 2
- default routes
- cost, OSPF
- IP routing
- IS-IS routing 1, 2
- OSPF routing
- suppressing IS-IS
- default-information originate command
- default-metric command
- description
- DHCPv6 Prefix Delegation
- directed broadcast packets
- directed broadcasts, enabling
- directly connected networks
- disable command
- disable-dynamic-redistribute command
- disable-incremental-external-spf command
- discarded packets
- distance commands
- distance, RIP administrative
- distribute-domain-wide command
- distribute-list command 1, 2
- documentation set
- domain, OSPF
- domain-authentication command
- domain-authentication-key command
- domain-message-digest-key command 1, 2
- domain-wide prefix distribution
- dropped packets, troubleshooting
- DRs (designated routers)
- dynamic hostname resolution, IS-IS
- dynamic route redistribution, disabling
E
- ECMP (equal-cost multipath)
- end system., See ES
- entry, routing table
- equal-cost multipath., See ECMP
- ES (end system)
- Ethernet commands, interface fastEthernet
- Ethernet controllers
- exit-address-family command
- exit-remote-neighbor command
- exponential back-off SPF calculation, IS-IS
- external routes, OSPF
- E Series routers
F
G
H
I
- ICMP (Internet Control Message Protocol)
- ICMP unreachable messages
- icmp update-source command
- ignore-attached-bit command
- ignore-lsp-errors command
- IGP (interior gateway protocol)
- incremental SPF
- Integrated IS-IS routing
- interarea routes, OSPF
- interface commands
- interface-event-disable command
- interfaces
- interior gateway protocol., See IGP
- Intermediate System-to-Intermediate System., See IS-IS
- intermediate system., See IS
- Internet addresses
- Internet Control Message Protocol., See ICMP
- Internet Layer, TCP/IP
- interval rate, LSP (IS-IS)
- intra-area routes, OSPF
- IP
- ARP protocol 1, 2
- assigning router IDs
- broadcast addressing 1, 2
- E Series router features
- ECMP 1, 2
- functions of
- ICMP and 1, 2
- layers of
- monitoring
- profile
- reachability commands
- routing
- source address verification 1, 2
- IP addresses
- ip commands, See also show ip commands
- clear ip ospf neighbor
- ip access-routes 1, 2
- ip address 1, 2
- ip alwaysup
- ip broadcast-address
- ip debounce-time
- ip description
- ip directed-address
- ip directed-broadcast
- ip disable-forwarding
- ip icmp update-source
- ip ignore-df-bit
- ip irdp 1, 2
- ip mask-reply
- ip mtu 1, 2
- ip multipath round-robin
- ip proxy-arp
- ip redirects 1, 2
- ip refresh-route
- ip route 1, 2
- ip route verify rtr 1, 2
- ip route-type 1, 2, 3
- ip router isis 1, 2
- ip router-id
- ip sa-validate 1, 2, 3
- ip share-interface 1, 2
- ip share-nexthop
- ip shutdown
- ip source-route
- ip speed
- ip split-horizon
- ip tcp adjust-mss 1, 2
- ip unnumbered 1, 2
- ip unnumbered loopback
- ip unreachables
- no ip interface
- IP interfaces
- ip ospf commands, See also show ip ospf commands
- IP profile, B-RAS
- IP profile, creating
- IP redirects, enabling
- ip rip commands, See also show ip rip commands
- ip rip
- ip rip authentication key
- ip rip authentication mode
- ip rip bfd-liveness-detection
- ip rip receive version 1, 2, 3
- ip rip send version
- IP routing., See routing, IP
- IPv6
- address, defining
- addressing
- configuring neighbor discovery
- configuring neighbor discovery with profiles
- configuring neighbor discovery with RADIUS 1, 2
- E Series router features
- enabling and disabling
- headers
- ICMP and
- instance, creating an
- interfaces
- license 1, 2
- monitoring
- neighbor discovery and profiles
- neighbor discovery, defining 1, 2
- neighbors, creating 1, 2
- overview
- packet headers
- ping and
- profile
- references 1, 2
- source address verification
- static routes and
- traceroute and
- ipv6 commands
- ipv6
- ipv6 address 1, 2
- ipv6 description
- ipv6 enable
- ipv6 mtu
- ipv6 nd 1, 2, 3
- ipv6 nd dad attempts
- ipv6 nd managed-config-flag 1, 2
- ipv6 nd ns-interval
- ipv6 nd prefix-advertisement
- ipv6 nd ra-interval 1, 2
- ipv6 nd reachable-time 1, 2
- ipv6 nd suppress-ra
- ipv6 nd suppress-ra-source-link-layer
- ipv6 neighbor 1, 2, 3, 4, 5, 6
- ipv6 neighbor proxy
- ipv6 route 1, 2
- ipv6 router isis
- ipv6 routes
- ipv6 unnumbered
- ipv6 virtual-router
- IPv6 interfaces
- IPv6 local address pools
- ipv6 nd commands
- ipv6 nd
- ipv6 nd active-solicitations
- ipv6 nd dad attempts
- ipv6 nd managed-config-flag 1, 2
- ipv6 nd ns-interval
- ipv6 nd reachable-time
- IPv6 neighbor discovery commands
- ipv6 ospf commands, See also show ipv6 ospf commands
- IPv6 profile, creating
- IPv6 routing with IS-IS
- IRDP (ICMP Router Discovery Protocol), enabling
- IS (intermediate system)
- IS-IS (Intermediate System-to-Intermediate System)
- adjacencies, clearing
- advertising
- avoiding black holes
- broadcast circuits
- circuit type
- configuring
- configuring the router to be ignored
- displaying CLNS 1, 2
- Disregarding
- dynamic hostname resolution
- ECMP
- enabling
- enabling for IPv6
- exponential back-off SPF calculation
- features
- global default metric
- graceful restart
- and black hole avoidance
- configuring
- monitoring 1, 2
- overview
- timers 1, 2
- hello packet validity rate
- HMAC MD5 authentication
- Integrated IS-IS
- IPv6 routing
- level 1 routing
- level 2 routing
- LSPs., See LSPs, IS-IS
- metric, global default
- monitoring
- MPLS and
- network entity title 1, 2
- overload bit
- point-to-point circuits
- point-to-point-over-LAN circuits
- redistributing routes between levels
- route leaking
- route tags
- router type
- routes
- routing levels/layers 1, 2, 3, 4
- SPF calculation
- starting and stopping MD5 packets
- suboptimal paths, correcting 1, 2
- summarizing routes
- suppressing default routes
- system identifier
- table maps
- topology elements
- traffic engineering
- troubleshooting
- IS-IS protocol, OSPF routing with
- is-type command
- isis commands, See also show isis commands
- isis authentication-key
- isis bfd-liveness-detection
- isis circuit-type
- isis csnp-interval
- isis hello padding
- isis hello-interval
- isis hello-multiplier
- isis lsp-interval
- isis mesh-group
- isis message-digest-key
- isis metric
- isis network point-to-point
- isis priority
- isis retransmit-interval
- isis retransmit-throttle-interval
- isis tag
- ISO 10589., See IS-IS
- ISO address
L
- leakage, OSPF route
- level 1 routing, IS-IS
- level 2 routing, IS-IS
- levels of IS-IS routing 1, 2, 3, 4
- license commands
- limited broadcast packets
- line modules
- link-state advertisements., See LSAs
- link-state metrics, IS-IS 1, 2
- link-state packets., See LSPs, IS-IS
- liveness detection
- local routing table
- log-adjacency-changes command
- logical addresses
- LSAs (link-state advertisements)
- opaque LSAs
- retransmit interval and transmit delay 1, 2
- LSDB (link-state database)
- lsp-gen-interval command
- lsp-mtu command
- lsp-refresh-interval command
- LSPs (link-state packets), IS-IS
M
- MAC (media access control) addresses
- manuals
- match commands
- max-lsp-lifetime command
- max-response-failure command
- maximum transmission unit., See MTU
- maximum-paths command
- MD5 authentication
- mesh group, setting (IS-IS)
- message digests
- message-digest-key md5 command
- metric
- metric commands
- metric-style commands
- mpls commands
- MTU (maximum transmission unit)
- multicast
- multihomed hosts
- multinetting
N
- ND (neighbor discovery)
- neighbor commands
- neighbor histories, OSPF
- neighbor uptime tracking, OSPF
- neighboring routers, OSPF 1, 2
- NET (network entity title) 1, 2, 3
- net command
- network area command
- network commands
- network entity title., See NET
- network interface layer (TCP/IP)
- network layer addresses
- network masks
- network service access point., See NSAP
- network, OSPF routing
- next-hop verification
- no area command
- no ipv6 command
- nonbroadcast networks
- nonstop forwarding., See graceful restart, IS-IS
- not-so-stubby area, OSPF., See NSSA
- notice icons
- NSAP (network service access point) 1, 2
- NSF (nonstop forwarding)., See graceful restart, IS-IS
- nsf commands
- NSSA (not-so-stubby area), OSPF 1, 2
- null authentication, OSPF
- null interfaces
O
- opaque LSAs, OSPF
- Open Shortest Path First., See OSPF
- operations-per-hop command
- OSPF (Open Shortest Path First)
- ABRs
- adjacency
- aggregate cost, optimizing
- areas 1, 2, 3
- areas, defining
- AS boundary router
- authentication
- autocost
- automatic virtual links
- backbone area
- BGP and
- BGP/MPLS VPNs and
- configuring
- creating interfaces
- database
- dead interval
- default cost
- deleting interfaces 1, 2
- domain
- ECMP
- enabling
- interaction with BGP/MPLS VPNs
- link-local states
- MD5 authentication
- metrics, default
- MIB
- monitoring
- neighbor histories
- neighbor uptime tracking
- optimizing aggregate costs
- password authentication, simple 1, 2
- route leakage
- routes, using for multicast RPF checks
- routing costs
- routing priority
- SPF hold time interval
- stub area
- topology elements
- traffic engineering
- transmit delay 1, 2
- troubleshooting
- virtual links
- ospf commands, See also show ip ospf commands; show ipv6 ospf commands
- overload bit, IS-IS
- owner command
P
- packet-switching networks
- packets, IP
- parallel routes, maximum number of
- partial sequence number PDU., See PSNP
- passive-interface command 1, 2, 3
- passwords
- IS-IS area authentication
- IS-IS authentication
- IS-IS domain authentication
- OSPF MD5 authentication
- OSPF simple password authentication 1, 2
- PDU (protocol data unit)
- physical addresses
- ping command 1, 2
- ping packets
- point-to-point circuits, IS-IS
- Point-to-Point Protocol., See PPP
- point-to-point-over-LAN circuits, IS-IS
- PPP (Point-to-Point Protocol)
- primary IP addresses
- primary IP interface
- priority
- IS-IS designated router
- OSPF routing 1, 2
- profile commands
- profiles
- protocol data unit., See PDU
- protocol number
- PSNP (partial sequence number PDU)
R
- reachability commands
- reassembling IP datagrams
- receive version command
- receive-interface command 1, 2
- receiving interface, setting for RTR probes
- redirects, IP
- redistribute command
- redistribute isis ip command 1, 2
- redistributing routes between IS-IS levels
- redistribution policy (IP), monitoring 1, 2, 3
- redistribution routes
- reference-bandwidth command
- refresh interval, LSP (IS-IS) 1, 2
- reliable protocols 1, 2
- remote neighbors
- remote-neighbor command 1, 2
- request messages, RIP
- request-data-size command
- response messages, RIP
- Response Time Reporter., See RTR
- restart, graceful., See graceful restart, IS-IS
- retransmission interval, IS-IS
- retransmission throttle interval, IS-IS
- retransmit interval
- retransmit-interval command
- RIB (routing information base]
- RIP (Routing Information Protocol)
- authentication
- BFD liveness detection and
- configuring
- debounce interval
- detecting path failures
- disabling dynamic route distribution
- ECMP
- maximum number of parallel routes
- message types
- monitoring
- purging learned routes
- purging the routing table
- remote neighbors
- request messages
- response messages
- route specificity
- route tags
- split horizon mechanism
- subnet masks
- summarizing routes
- triggered updates, disabling
- troubleshooting
- using routes for multicast RPF checks
- route leakage, OSPF
- route leaking between IS-IS levels
- route maps
- route tags, IS-IS
- route tags, RIP
- route-map command 1, 2, 3
- router commands
- router IDs 1, 2
- router type, IS-IS
- routes
- routing information base., See RIB
- Routing Information Protocol., See RIP
- routing table
- routing, IP, See also IP
- adding host route to peer on PPP interface
- default routes
- disabling forwarding of packets
- identifying a router
- maximum number of parallel routes 1, 2
- monitoring 1, 2, 3, 4
- next-hop verification
- routing operations
- routing tables
- source address validation 1, 2
- static routes 1, 2
- routing, IPv6, See also IPv6
- hop limit
- monitoring 1, 2, 3
- source address validation
- static routes
- routing, IS-IS, See also IS-IS
- routing, OSPF, See also OSPF
- routing, RIP, See also RIP
- RTR (Response Time Reporter)
- rtr commands, See also show rtr commands
S
- samples-of-history-kept command
- secondary IP addresses
- send version command
- send-more-specific-routes-disable command
- set-overload-bit command
- setting
- shared IP interfaces
- shared IPv6 interfaces
- show access-list command
- show arp command
- show clns commands
- show forwarding-table route-holddown
- show hosts command
- show ip commands
- show ip ospf commands
- show ip ospf
- show ip ospf border-routers
- show ip ospf database
- show ip ospf database link-local
- show ip ospf database opaque-area
- show ip ospf interface
- show ip ospf internal-statistics
- show ip ospf neighbors
- show ip ospf remote-neighbor interface
- show ip ospf spf-log
- show ip ospf traffic
- show ip ospf virtual-links
- show ip rip commands
- show ipv6 commands
- show ipv6 ospf commands
- show isis commands
- show profile commands
- show route-map command
- show rtr commands
- show tcp commands
- simple password authentication, OSPF 1, 2
- snmp commands
- source address validation traps
- source address verification 1, 2, 3
- SPF (shortest path first) calculations
- SPF hold time
- SPF, incremental
- spf-interval command
- split horizon mechanism
- split-horizon command
- SRP modules
- starting IS-IS MD5 packets
- static routes
- establishing
- monitoring
- on null 0 interfaces
- creating an exception to the SRP module 1, 2
- disabling the sending of ICMP unreachables
- disabling the sending of ICMPv6 unreachables
- discarding IPv4 packets at the forwarding plane
- discarding IPv6 packets at the forwarding plane
- discarding received packets and not sending ICMP unreachables
- discarding received packets and not sending ICMPv6 unreachables
- discarding received packets and sending ICMP unreachables
- discarding received packets and sending ICMPv6 unreachables
- dropping of received IPv4 packets
- dropping of received IPv6 packets
- enabling the sending of ICMP unreachables
- enabling the sending of ICMPv6 unreachables
- verifying next hops for
- stopping IS-IS MD5 packets
- stub areas, OSPF 1, 2
- subnet addressing
- summarizing RIP routes
- summary addresses
- IS-IS routing
- OSPF routing 1, 2
- summary-address command 1, 2
- summary-prefix command 1, 2
- supernets
- support, technical, See technical support
- suppress-default command
- suppressing IS-IS default routes
- system identifier, IS-IS
T
- table
- table maps, IS-IS
- table-map command
- tag command
- TCP commands
- tcp ack-rst-syn 1, 2
- tcp mss 1, 2
- tcp path-mtu-discovery 1, 2
- tcp path-mtu-discovery black-hole-detect-threshold 1, 2
- tcp path-mtu-discovery max-mtu 1, 2
- tcp path-mtu-discovery min-mtu 1, 2
- tcp paws-disable 1, 2
- tcp resequence-buffers connection-maximum 1, 2
- tcp resequence-buffers default-connection-maximum 1, 2
- tcp resequence-buffers default-vr-maximum 1, 2
- tcp resequence-buffers global-maximum 1, 2
- tcp resequence-buffers vr-maximum 1, 2
- TCP/IP protocol suite
- technical support
- text and syntax conventions
- time-to-live command
- timeout command
- timers
- timers commands
- TLV (type-length-value) for resolution of IS-IS dynamic hostname
- topology
- tos command
- trace packets 1, 2
- traceroute command 1, 2, 3, 4
- traceroute packets
- traffic engineering
- traffic, IP
- transmit delay, OSPF 1, 2
- transmit-delay command
- transport layer (TCP/IP)
- traps command
- traps, OSPF
- triggered-update-disable command
- troubleshooting
- ttl command
- type command
- type-length-value for resolution of IS-IS dynamic hostname
U
- UDP (User Datagram Protocol)
- undebug commands
- unnumbered interface
- unreachable messages (ICMP)
- unreliable protocols 1, 2, 3
- update-source command 1, 2
- User Datagram Protocol., See UDP
V
- validating source addresses 1, 2, 3
- verifying next hops for static routes
- virtual links, OSPF 1, 2, 3
- virtual-router command
