Cisco 4510R - Catalyst Switch User Manual

High Availability and Redundancy in Catalyst 4500Series SwitchesDocument ID: 29803ContentsIntroductionPrerequisites Requirements Components

redundancy force−switchover command first checks that the redundant supervisor engine is in the correctstate. If you issue the reload command and the

similar to this displays:Cat4500(config)#interface GigabitEthernet1/2% WARNING: Interface GigabitEthernet1/2 is usable/operational% only when this is

Supervisor II Plus 10GE or Supervisor V 10GECatalyst 4500 Supervisor II Plus 10GE (WS−X4013+10GE) or Supervisor V 10GE (WS−X4516−10GE) hasfour GE upli

Slot 2: Empty 10 GE Slot2:Supervisor IIPlus 10GE or V10 GEGE 1/3Active N/A ActiveGE 1/4Active N/A ActiveGE 1/5Active N/A Not ActiveGE 1/6Active N/A No

No, the restrictions to only use some uplinks is due to the hardware design of the supervisors.Therefore, this will not be fixed in any new software r

configuration.Note: Similar behavior is also seen if a linecard is physically removed from the chassis and the supervisor isswitched over. The new act

Equal wattage powersupply is inserted withredundancy enabled.System log and syslogmessages are generated.• System power equals thepower capability of

There is no change in themodule status because thepower capability isunchanged.• Power supply is removedwith combined modeenabled (redundancydisabled)

Switch (config)#power redundancy−mode redundantVerificationIssue the show power command in order to verify the power supply management mode and to che

3 WS−X4448−GB−RJ45 120 72 4 WS−X4148−RJ45V 60 50Note: If the power supply is not powered−up, the status mi

PrerequisitesRequirementsThere are no specific requirements for this document.Components UsedThe information in this document is based on these softwa

Port−ChannelEtherChannel features provide redundancy between switches, switch to router, or switch to server connectionby bundling up to eight links.

Understanding and Configuring EtherChannel• Catalyst 4500 Support Page• Catalyst 4500 Configuration Guide• Technical Support & Documentation − Cis

Supervisor Engine IV(WS−X4515)• Supervisor Engine V(WS−X4516)• Supervisor Engine V−10GE(WS−X4516−10GE)• Catalyst 4510R(WS−C4510R)Supervisor Engine V(W

Note: The reload command only reloads the active supervisor. This causes a switchover to the standbysupervisor, if present. This behavior is different

Switch#show running−configBuilding configuration...Current configuration : 5592 bytes!version 12.1!−−− Output is suppressed.!redundancy mode rpr main−

Mode = Duplex!−−− Indicates secondary is present and in redundant state. Unit = Primary!−−− Always is primary because this is RPR

Note: On Catalyst 6500s that run Cisco IOS Software Release 12.1(11)EX or 12.1(13)E and later, thereload command reloads the entire chassis.redundancy

Per−VLAN Spanning Tree (PVST+)• Rapid−PVST• PortFast/UplinkFast/BackboneFast• Bridge Protocol Data Unit (Bpdu) guard and filtering• Voice VLAN• Port s

Available system uptime = 2 days, 2 hours, 39 minutesSwitchovers system experienced = 0 Standby failures = 0 Last switchove