Para o cenario, assuma OSPF + MPLS+LDP ativos nos routers e as loopbacks devidamente publicadas:Segue abaixo as configuracoes que usei para criar um PW entre Juniper e Cisco.Cisco:conf tmpls label protocol ldppseudowire-class MartiniToJuniper encapsulation mplsinterface GigabitEthernet0/3.77 encapsulation dot1Q 77 xconnect 192.168.0.1 7 pw-class MartiniToJuniperJuniper:set interfaces ge-0/0/5 description TESTE-PW-CISCO-7200set interfaces ge-0/0/5 vlan-taggingset interfaces ge-0/0/5 media-type copperset interfaces ge-0/0/5 encapsulation flexible-ethernet-servicesset interfaces ge-0/0/5 unit 7 description TESTE-PW-TO-CISCO7200set interfaces ge-0/0/5 unit 7 encapsulation vlan-cccset interfaces ge-0/0/5 unit 7 vlan-id 7set interfaces ge-0/0/5 unit 7 family cccset protocols mpls label-switched-path TO-7200-TESTE to 192.168.0.2set protocols mpls label-switched-path TO-7200-TESTE no-cspfset protocols l2circuit neighbor 192.168.0.2 interface ge-0/0/5.7 virtual-circuit-id 7set protocols l2circuit neighbor 192.168.0.2 interface ge-0/0/5.7 encapsulation-type ethernet-vlanReferencias: http://www.gossamer-threads.com/lists/nsp/juniper/6800 Retirado de:http://itlifeway.blogspot.com.br/2013/05/junos-to-cisco-iosxr-command-reference.htmlHere are some very useful command references when moving between JUNOS and Cisco IOS/XR:System Administration & General CommandsJuniper CommandDescriptionCisco CommandDescriptionuser@host%Unix Shell - enter cli for Operational Mode.user@host>Operational moderouter>user exec modeConfiguration modeconfig tTo enter configuration mode. (from priveledge mode)exitTo log outexitTo log outshow versionTo show JUNOS versionsh versionTo show IOS Versionshow system processes extensiveView CPU utilization per processsh process cpuView CPU utilization per processshow system storageView free disk space in the router's file systemdirView free disk space in the router's file systemshow system uptimeTo verify how long router has been upsh versionTo verify how long router has been upshow chassis forwardingView how long router components have been up.sh version, sh diagView how long router components have been up.show chassis environmentView power supply, fan, and operating temperaturesh environmentView power supply, fan, and operating temperatureshow chassis hardwareView router hardware and versionssh version, sh diagView router hardware and versionsshow chassis routing-engineTo view memory usagesh memory sumView memory usagerequest system rebootTo reboot router.reloadTo reboot routershow ntp associationsShow NTP associationssh ntp associationsShow NTP associationsshow ntp statusShow NTP Statussh ntp statusShow NTP Statusshow system alarmsView all active alarms on a routershow system usersView users logged in to a routersh usersView users logged in to a routershow system connetionsView protocols running on routersh protocolsView routing protocols running on routerrequest system logout usernameLog a user out of a routerclear line Log a user out of a router| no-moreTo extend data to end of page for a single command.term length 0To extend data to end of pageConfigurationJuniper CommandDescriptionCisco CommandDescriptionconfigure -or- editEnter configuraiton modeconfig tEnter global configuration modesetSet a value in the configuration.Set a value in the configuration.deleteRemove a value from the configuration.no Remove a value from the configuration.up -or- exitMove you back up the config hierchy tree one levelexitMove you back up the config hierchy tree one leveltopMove you to the top of the config hierchy.editMoves you down the hierchy tree. Ex. edit protocolsdisableShutdown an interface 'set interfaces so-0/0/0 disable'shutdownAdministratively shutdown an interface.activateAllows the router to recognize a deactivated interface.deactivateAdds an 'inactive' tag to the interface config.load override teminalOpens a paste buffer in the CLI. Close the paste buffer with the Ctrl+D keystroke.Copy and paste configurationCopy a text configuration into the router.commitIssue before the router can use any new config.rollbackTo easily restore an old configuration.exit -or- exit-configuration-modeExit configuration modeCntrl + Z -or - endTo exit configuration moderun Use any operational command from configuration mode.do Enter show commands from configuration mode.TroubleshootingGeneralJuniper