The LMI (Local management interface, locally Management Interface) is the signaling standard between the CPE device (router) and the frame switch, adding extensions to the Frame Relay protocol for managing complex interconnection networks. The main Frame Relay LMI extension includes global addressing, virtual circuit state messages, and multicast.
Note: There are in fact 3
downInterface is Down;line protocol was down 1) unqualified cable 2) No local provider signaling 3) hardware failure (interface or CSU/DSU, cable) 4) clockInterface is Up;line protocol was down 1) Not configured interface: local or remote 2) local provider Issue 3) keepalive serial number did not increase 4) hardware failure (local or remote interface, CSU/DSU) 5) line murmur 6) clock inconsistency 7) 2nd tier (e.g. LMI)Interface is Up;line protocol
Topology map:
1. Configure the router R4 as a Frame relay switch
Frame-relay switching * configured as Frame Relay switch
2. Configure the interface's clock frequency, package type, LMI type and Frame Relay DCE on the router R4
int s0/0
No shut
Clock rate 64000 * Set clock frequency
Encapsulation Frame-relay * Encapsulated as Frame Relay
Frame-relay lmi-type Cisco *
Experimental topology
Router (config) #frame-relay switching to simulate a router as a Frame relay switch
Router (config) #inter S1/1
Router (config-if) #clock rate 128000
Router (config-if) #encapsulation Frame-relay Configuration Interface encapsulation and binding relay
The default Frame relay enabled on the interface is encapsulated in the Cisco package and, if connected to a non-Cisco router, use the ITEF parameter
Router (config-if) #no Shu
Router (config) #inter s1/2
Router (con
On many occasions, you can configure the Cisco router to become a Frame relay switch. and supports multiple routers to form a larger frame relay switch via NNI connections.
In this paper, R2 and R3 are interconnected to form a large switch to communicate R1 and R4.
R2:
No IP routing
Frame-relay switching
Interface serial1/0
Encapsulation Frame-relay
Clock rate 64000
Frame-relay Lmi-type Cisco
Frame-relay Intf-type DCE
Frame-relay Route Int
kinds. The default is Cisco.3. Configure the management type of LMI, Frame-relay lmi-type Cisco, configure the interface for the DCE Frame-relay intf-type DCE for Frame relay.4, configure the Frame Relay exchange table. int s0/0 frame-relay Route intterface S0/1 200 int S0/1 frame-relay Route intterface s0/0 100 Route1, enter the interface, sealing and binding relay protocol. The encapsulation Frame-relay
machine is the same.
The SYS file records the location of the PDB file to find the symbol table, so the set directory must be a compile-time directory, even if the files in the compiled directory are copied out and placed elsewhere, and then the WinDbg symbol directory is set to that directory WinDbg is not known. Because the windbg of the symbol file for SYS will only go to the directory specified by the sys. It's a strange thing to do when you configure WinDbg before. Baffled2,!
command (enforced security, password non-plaintext display)Encapsulation Frame-relay boot Frame Relay encapsulationEncapsulation Novell-ether specifies Novell's unique format for use on network segmentsEncapsulation PPP to set PPP as the encapsulation method used by the serial or ISDN interfaceEncapsulation SAP rules the Ethernet 802.2 format used on the network segment Cisco's password is SAPEND Exit Configuration modeErase deleting flash or configuring cacheErase startup-config Delete content
Encapsulation Frame-relay boot Frame Relay Package
Encapsulation Novell-ether rules the Novell unique format used on the network segment
Encapsulation PPP set PPP to the encapsulation method used by the serial port or ISDN interface
Encapsulation SAP rules the Ethernet 802.2 format used on the network segment the Cisco password is SAP
End Exit Configuration mode
Erase Remove flash memory or configure cache
Erase Startup-config Delete the contents of the NVRAM
Exec-timeout configures the
connection to/dev/xxx. Is that true?
In contrast to what you have heard, files in/dev/* are not used. You can delete any/dev/wd0,/dev/ne0, and similar entries.
Linux and "trailers"
Do I need to disable trailers when I use an "ifconfig" Nic?
Trailers cannot be disabled, and it is unnecessary. "Trailers" is
... Number of visits ", which indicates the number of visits that users bring when they click on each unique category/action/tag combination. This metric is calculated as a session, for each level in the event hierarchy. For example, the following sessions that bring multiple events generate the following statistics:
Visit 1
Videos/play/movie1
Videos/play/movie2
Trailers/play/movie1
ads/Click/ad1
Ads/click/ad1
Visit 2
Videos/play
Show Access-lists Displays the contents of all current ACLsShow buffers Display cache statisticsShow CDP entry displays information about adjacent devices listed in the CDP tableShow CDP interface display Open CDP interface informationShow CDP neighbors displays the results of the CDP lookup processShow Dialer general diagnostic information for serial interfaces set up for DDR (digital data receiver)Show Flash shows the layout and content information of flash memoryShow Frame-relay
configuration of the special line
# conf T
# intS2 (designated S2 port)
# IP addr abcd xxxx (ABCD S2 IP address, XXXX as subnet mask)
# exit
When the line port configuration is complete, the S2 port can be activated with no shutdown command.
4. Configuration of Frame Relay
# conf T
# int S0
# IP addr abcd xxxx (ABCD S0 IP address, XXXX as subnet mask)
# EnCap Frante_relay (Package Frante_relay protocol)
# no nrzi_encoding (Nrzi=no)
# Frame_relay Lmi_type q933a (
achieve on-line freight forwarding business cooperation, improve efficiency; Freight forwarding enterprises as the center, through the owner, ship owners, trailers, customs and other enterprises online collaboration, to achieve cargo tracking information sharing , eliminating the numerous telephone, mail inquiries, so that freight forwarders to truly become the logistics supply chain information hub.2. Basic function Requirement
Funct
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? Trailers ITunes MovieThis is a movie tr
request header to tell the server which transport encoding extensions can be used.
As the following example, the request uses the TE header to tell the server that it can accept the block encoding and is willing to accept slippers attached to the end of the chunked message:GET /new_products.html HTTP/1.1Host: www.joes-hardware.comUser-Agent: Mozilla/4.61 [en] (WinNT; I)TE: trailers, chunked...The response to it contains the transfer-encoding hea
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