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Kento Yamada
Cisco Employee
Cisco Employee

概要

HSRP にて使用可能なグループ数は version 1 が 0 ~ 255 の 256 グループ、 version 2 は 0 ~ 4095 の 4096 グループとなり、それぞれのグループに対して以下の仮想 MAC アドレス が割り当てられます。

  •   version 1 : 0000.0c07.acXX
  •   version 2 : 0000.0c9f.fXXX    ( X はグループ番号)

理論的には HSRP のグループ数は上記の最大値となりますが、ハードウェア起因の制限によって、この最大値を満たせない場合があります。その要因となるのが MAC address filter の登録可能な最大値であり、この値はハードウェアごとに異なります。 登録可能な 仮想 MAC アドレスの数はその最大値に依存するため、使用可能な最大 HSRP グループ数がハードウェアごとに異なることになります。なお、 HSRP グループ数がハードウェア制限に達した際には下記のようなメッセージが出力され、それ以上新規の HSRP グループを作成できない場合があります。

% Warning: Interface MAC address filter only supports 28 additional addresses % and 28 HSRP groups are already configured.
The HSRP MAC address may not be % added to the MAC address filter if the group becomes active.

 

プラットフォームごとのハードウェア制限は下記コマンドで確認できます。

show standby capability

ハードウェア制限による上限値は出力結果の Potential Max Groups per subin に表示されます。
以下に幾つかのプラットフォームごとの出力情報をまとめますので、導入検討の際や上記メッセージが出力された際に参照して下さい。一部搭載するモジュールによっても上限値が変動する場合がございます。

 

プラットフォームごとのshow standby capability 出力

 

ASR1000 Series

ASR1001-X

ASR1001-X                                     * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Te0/0/0            89  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Te0/0/1            89  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/0            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/1            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/2            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/3            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/4            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/0/5            27  BUILT-IN-2T+6X1GE      *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Crypto-Engine0/0/8 196 BUILT-IN-2T+6X1GE         -
Gi0/1/0            27  SPA-8X1GE-V2           *  255  (0x7FEE932B3530, 0x7FEE932B3530)
Gi0/1/1            27  SPA-8X1GE-V2           *  255  (0x7FEE932B3530, 0x7FEE932B3530)
---Snip---
Gi0/1/7            27  SPA-8X1GE-V2           *  255  (0x7FEE932B3530, 0x7FEE932B3530)
GigabitEthernet0   27  RP management port     *  4096 (0x7FEE8BB2D940, 0x7FEE8F99C8F0)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Loopback1          96  Loopback                  -
Tunnel1            0   Tunnel                    -
Tunnel2            0   Tunnel                    -
VoIP-Null0         222 VoIP-Null                 -

ASR1001-HX

ASR1001-HX                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  BUILT-IN-EPA-8x1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
Gi0/0/1            27  BUILT-IN-EPA-8x1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
Gi0/0/2            27  BUILT-IN-EPA-8x1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
---Snip---
Gi0/0/7            27  BUILT-IN-EPA-8x1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
Te0/1/0            89  BUILT-IN-8X10G/1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
Te0/1/1            89  BUILT-IN-8X10G/1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
---Snip---
Te0/1/7            89  BUILT-IN-8X10G/1G      *  255  (0x55F1B68968E0, 0x55F1B68968E0)
GigabitEthernet0   27  RP management port     *  4096 (0x55F1AF225DB0, 0x55F1B30D1AE0)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Loopback0          96  Loopback                  -
VoIP-Null0         222 VoIP-Null                 -

ASR1002-X

ASR1002-X                                     * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Gi0/0/1            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Gi0/0/2            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Gi0/0/3            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Gi0/0/4            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Gi0/0/5            27  6XGE-BUILT-IN          *  340  (0x556DE453DBB0, 0x556DE453DBB0)
Crypto-Engine0/0/6 196 6XGE-BUILT-IN             -
GigabitEthernet0   27  RP management port     *  4096 (0x7EFF37670190, 0x556DE0D6F940)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
VoIP-Null0         222 VoIP-Null                 -

ASR1002-HX

ASR1002-HX                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  BUILT-IN-EPA-8x1G      *  255  (0x55C753CC08E0, 0x55C753CC08E0)
Gi0/0/1            27  BUILT-IN-EPA-8x1G      *  255  (0x55C753CC08E0, 0x55C753CC08E0)
---Snip---
Gi0/0/7            27  BUILT-IN-EPA-8x1G      *  255  (0x55C753CC08E0, 0x55C753CC08E0)
Te0/1/0            89  BUILT-IN-EPA-8x10G     *  255  (0x55C753CC08E0, 0x55C753CC08E0)
---Snip---
Te0/1/7            89  BUILT-IN-EPA-8x10G     *  255  (0x55C753CC08E0, 0x55C753CC08E0)
Te0/2/0            89  EPA-10X10GE            *  203  (0x55C753CC08E0, 0x55C753CC08E0)
---Snip---
Te0/2/8            89  EPA-10X10GE            *  203  (0x55C753CC08E0, 0x55C753CC08E0)
Te0/2/9            89  EPA-10X10GE            *  203  (0x55C753CC08E0, 0x55C753CC08E0)
GigabitEthernet0   27  RP management port     *  4096 (0x55C74C64FDB0, 0x55C7504FBAE0)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Loopback0          96  Loopback                  -
Port-channel1      89  10GEChannel            *  4096 (0x55C75397A930, 0x55C75357EBD0)
Port-channel10     89  10GEChannel            *  4096 (0x55C75397A930, 0x55C75357EBD0)
VoIP-Null0         222 VoIP-Null    

ASR1004

ASR1004                                       * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
FastEthernet0/2/0  18  SPA-4X1FE-TX-V2        *  511  (0x7F510B661800, 0x7F510B661800)
FastEthernet0/2/1  18  SPA-4X1FE-TX-V2        *  511  (0x7F510B661800, 0x7F510B661800)
FastEthernet0/2/2  18  SPA-4X1FE-TX-V2        *  511  (0x7F510B661800, 0x7F510B661800)
FastEthernet0/2/3  18  SPA-4X1FE-TX-V2        *  511  (0x7F510B661800, 0x7F510B661800)
GigabitEthernet0   27  RP management port     *  4096 (0x7F5103978BD0, 0x7F5107EC12F0)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Port-channel1      27  GEChannel              *  4096 (0x7F510B323990, 0x7F510AF6B990)
VoIP-Null0         222 VoIP-Null                 -

ASR1006

ASR1006                                       * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Te0/0/0            89  SPA-1X10GE-L-V2        *  2047 (0x16752A58, 0x16752A58)
Te0/1/0            89  SPA-1X10GE-L-V2        *  2047 (0x16752A58, 0x16752A58)
Te0/2/0            89  SPA-1X10GE-L-V2        *  2047 (0x16752A58, 0x16752A58)
GigabitEthernet0   27  RP management port     *  4096 (0x10783A0C, 0x13DA847C)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
VoIP-Null0         222 VoIP-Null                 -

ASR1006-X

ASR1006-X                                     * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  EPA-18X1GE             *  112  (0x7FD08C42EFC0, 0x7FD08C42EFC0)
Gi0/0/1            27  EPA-18X1GE             *  112  (0x7FD08C42EFC0, 0x7FD08C42EFC0)
---Snip---
Gi0/0/17           27  EPA-18X1GE             *  112  (0x7FD08C42EFC0, 0x7FD08C42EFC0)
GigabitEthernet0   27  RP management port     *  4096 (0x7FD083EA0210, 0x7FD088940C20)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
VoIP-Null0         222 VoIP-Null                 -

ASR1009-X

ASR1009-X                                     * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  BUILT-IN-2T+20X1GE     *  92   (0x5654D295ABB0, 0x5654D295ABB0)
Gi0/0/1            27  BUILT-IN-2T+20X1GE     *  92   (0x5654D295ABB0, 0x5654D295ABB0)
Gi0/0/2            27  BUILT-IN-2T+20X1GE     *  92   (0x5654D295ABB0, 0x5654D295ABB0)
---Snip---
Te0/0/20           89  BUILT-IN-2T+20X1GE     *  92   (0x5654D295ABB0, 0x5654D295ABB0)
Te0/0/21           89  BUILT-IN-2T+20X1GE     *  92   (0x5654D295ABB0, 0x5654D295ABB0)
GigabitEthernet0   27  RP management port     *  4096 (0x7F143EF91190, 0x5654CF18C940)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
VoIP-Null0         222 VoIP-Null                 -

 

ISR4000 Series

 ISR4221

ISR4221/K9                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4221-2x1GE          *  15   (0x56234AA44ED0, 0x56234AA44ED0)
Gi0/0/1            27  ISR4221-2x1GE          *  15   (0x56234AA44ED0, 0x56234AA44ED0)
LIIN0              27  LIIN                      -

ISR4321

ISR4321/K9                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4321-2x1GE          *  15   (0x55B8FD7C7C00, 0x55B8FD7C7C00)
Gi0/0/1            27  ISR4321-2x1GE          *  15   (0x55B8FD7C7C00, 0x55B8FD7C7C00)
Gi0/1/0            27  NIM-2GE-CU-SFP         *  999  (0x55B8FD7C7C00, 0x55B8FD7C7C00)
Gi0/1/1            27  NIM-2GE-CU-SFP         *  999  (0x55B8FD7C7C00, 0x55B8FD7C7C00)
GigabitEthernet0   27  RP management port     *  4096 (0x55B8F9EF62D0, 0x55B8FD682C00)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
VoIP-Null0         222 VoIP-Null                 -

ISR4331

ISR4331/K9                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4331-3x1GE          *  15   (0x559B1133DC00, 0x559B1133DC00)
Gi0/0/1            27  ISR4331-3x1GE          *  15   (0x559B1133DC00, 0x559B1133DC00)
Gi0/0/2            27  ISR4331-3x1GE          *  15   (0x559B1133DC00, 0x559B1133DC00)
Gi0/1/0            27  NIM-1GE-CU-SFP         *  999  (0x559B1133DC00, 0x559B1133DC00)
GigabitEthernet0   27  RP management port     *  4096 (0x559B0DA6C2D0, 0x559B111F8C00)
LIIN0              27  LIIN                      -
Vlan1              156 Ethernet SVI           *  4096 (0x559B0DA6C2D0, 0x559B1779D9E0)

ISR4351

ISR4351/K9                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4351-3x1GE          *  15   (0x7F4B7E33D760, 0x7F4B7E33D760)
Gi0/0/1            27  ISR4351-3x1GE          *  15   (0x7F4B7E33D760, 0x7F4B7E33D760)
Gi0/0/2            27  ISR4351-3x1GE          *  15   (0x7F4B7E33D760, 0x7F4B7E33D760)
Et1/0/0            146 SM-X-ES3-24-P             -
Et1/0/1            27  SM-X-ES3-24-P             -
GigabitEthernet0   27  RP management port     *  4096 (0x7F4B7A7AB010, 0x7F4B7E204D70)
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Vlan1              156 Ethernet SVI           *  4096 (0x7F4B7A7AB010, 0x7F4B8461A530)
Vlan10             156 Ethernet SVI           *  4096 (0x7F4B7A7AB010, 0x7F4B8461A530)
Vlan990            156 Ethernet SVI           *  4096 (0x7F4B7A7AB010, 0x7F4B8461A530)
VoIP-Null0         222 VoIP-Null                 -

ISR4431

ISR4431/K9                                    * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4431-X-4x1GE        *  25   (0x7F2CF09CE440, 0x7F2CF09CE440)
Gi0/0/1            27  ISR4431-X-4x1GE        *  25   (0x7F2CF09CE440, 0x7F2CF09CE440)
Gi0/0/2            27  ISR4431-X-4x1GE        *  25   (0x7F2CF09CE440, 0x7F2CF09CE440)
Gi0/0/3            27  ISR4431-X-4x1GE        *  25   (0x7F2CF09CE440, 0x7F2CF09CE440)
GigabitEthernet0   27  RP management port     *  4096 (0x7F2CECE10A00, 0x7F2CF0894870)
LIIN0              27  LIIN                      -
Tunnel0            0   Tunnel                    -
Vlan1              156 Ethernet SVI           *  4096 (0x7F2CECE10A00, 0x7F2CF6D5D330)

ISR4451

ISR4451-X/K9                                  * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Gi0/0/0            27  ISR4451-X-4x1GE        *  25   (0x7FAF53B83760, 0x7FAF53B83760)
Gi0/0/1            27  ISR4451-X-4x1GE        *  25   (0x7FAF53B83760, 0x7FAF53B83760)
Gi0/0/2            27  ISR4451-X-4x1GE        *  25   (0x7FAF53B83760, 0x7FAF53B83760)
Gi0/0/3            27  ISR4451-X-4x1GE        *  25   (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/0            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/1            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/2            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/3            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/4            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Gi1/0/5            27  SM-X-6X1G              *  999  (0x7FAF53B83760, 0x7FAF53B83760)
Interface          Type                       H  Potential Max Groups per subin
GigabitEthernet0   27  RP management port     *  4096 (0x7FAF4FFF1010, 0x7FAF53A4AD70)
Dialer1            98  Unknown                   -
LIIN0              27  LIIN                      -
LI-Null0           161 Unknown                   -
Virtual-Access1    21  Virtual Access interfa    -
VoIP-Null0         222 VoIP-Null                 -

 

C890 Series

C891FJ

C891FJ-K9                                     * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
Async3             10  Analog Modem              -
BRI0               14  BRI with S/T interface    -
BRI0:1             14  BRI                       -
BRI0:2             14  BRI                       -
FastEthernet0      18  PQII_PRO_UEC           *  4096 (0x56D7A9C, 0x56D7C08)
GigabitEthernet0   146 Gigabit Ethernet          -
GigabitEthernet1   146 Gigabit Ethernet          -
GigabitEthernet2   146 Gigabit Ethernet          -
GigabitEthernet3   146 Gigabit Ethernet          -
GigabitEthernet4   146 Gigabit Ethernet          -
GigabitEthernet5   146 Gigabit Ethernet          -
GigabitEthernet6   146 Gigabit Ethernet          -
GigabitEthernet7   146 Gigabit Ethernet          -
GigabitEthernet8   27  PQ3_TSEC               *  4096 (0x56B394C, 0x56B3D20)
NVI0               219 NVI                       -
Vlan1              147 EtherSVI               *  4096 (0x5D80B88, 0x5D81B3C)
Vlan192            147 EtherSVI               *  4096 (0x5D80B88, 0x5D81B3C)
Vlan610            147 EtherSVI               *  4096 (0x5D80B88, 0x5D81B3C)
VoIP-Null0         222 VoIP-Null                 -

C892

892                                           * indicates hardware may support HSRP
                                              |
Interface          Type                       H  Potential Max Groups per subin
BRI0               14  BRI with S/T interface    -
BRI0:1             14  BRI                       -
BRI0:2             14  BRI                       -
Dialer1            98  Unknown                   -
FastEthernet0      146 Fast Ethernet             -
FastEthernet1      146 Fast Ethernet             -
FastEthernet2      146 Fast Ethernet             -
FastEthernet3      146 Fast Ethernet             -
FastEthernet4      146 Fast Ethernet             -
FastEthernet5      146 Fast Ethernet             -
FastEthernet6      146 Fast Ethernet             -
FastEthernet7      146 Fast Ethernet             -
FastEthernet8      18  PQII_PRO_UEC           *  4096 (0x81A019E0, 0x81A01B4C)
GigabitEthernet0   27  PQII_PRO_UEC           *  4096 (0x81A019E0, 0x81A01B4C)
Loopback0          96  Loopback                  -
Loopback1          96  Loopback                  -
Loopback2          96  Loopback                  -
Loopback3          96  Loopback                  -
RG-AR-IF-INPUT1    96  Loopback                  -
Vlan1              147 EtherSVI               *  4096 (0x81BD7134, 0x81BD77AC)
Vlan10             147 EtherSVI               *  4096 (0x81BD7134, 0x81BD77AC)
VoIP-Null0         222 VoIP-Null                 -

 

Getting Started

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